Linux Standard Base Specification for the IA32 Architecture 1.3

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".

Portions of the text were taken from other copyrighted documents in accordance with the respective licenses of those documents.

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UNIX a registered trademark of the Open Group in the United States and other countries.

LSB is a trademark of the Free Standards Group in the USA and other countries.

Intel386 and Itanium are trademarks of Intel Corporation.

OpenGL is a registered trademark of Silicon Graphics, Inc.


Table of Contents
I. Introduction
1. Introduction
Introduction
Purpose
Related Standards
Relevant Libraries
How to Use this Standard
Definitions
Terminology
II. Low Level System Information
2. Machine Interface
Processor Architecture
Data Representation
3. Function Calling Sequence
CPU Registers
Floating Point Registers
Stack Frame
Arguments
Return Values
4. Operating System Interface
Virtual Address Space
Processor Execution Mode
Exception Interface
Signal Delivery
5. Process Initialization
Special Registers
Process Stack (on entry)
Auxilliary Vectors
Environment
6. Coding Examples
Code Model Overview/Architecture Constraints
Position-Independent Fucntion Prologue
Data Objects
Function Calls
Branching
7. C Stack Frame
Variable Argument List
Dynamic Allocation of Stack Space
8. Debug Information
III. Object Format
9. ELF Header
Machine Information
10. Special Sections
Special Sections
11. Symbol Table
12. Relocation
Relocation Types
IV. Program Loading and Dynamic Linking
13. Program Header
Types
Flags
14. Program Loading
15. Dynamic Linking
Program Interpreter/Dynamic Linker
Dynamic Section
Global Offset Table
Shared Object Dependencies
Function Addresses
Procedure Linkage Table
Initialization and Termination Functions
V. Base Libraries
16. Libraries
Interfaces for libc
Data Definitions for libc
Interfaces Definitions for libc
Interfaces for libm
Data Definitions for libm
Interfaces for libpthread
Data Definitions for libpthread
Interfaces for libdl
Data Definitions for libdl
Interfaces for libcrypt
Data Definitions for libcrypt
VI. Package Format and Installation
17. Software Installation
Package Architecture Considerations
A. Alphabetical Listing of Interfaces
libc
B. GNU Free Documentation License
PREAMBLE
APPLICABILITY AND DEFINITIONS
VERBATIM COPYING
COPYING IN QUANTITY
MODIFICATIONS
COMBINING DOCUMENTS
COLLECTIONS OF DOCUMENTS
AGGREGATION WITH INDEPENDENT WORKS
TRANSLATION
TERMINATION
FUTURE REVISIONS OF THIS LICENSE
How to use this License for your documents
List of Tables
1-1. Related Standards
1-2. Standard Library Names
2-1. Scalar Types
10-1. ELF Special Sections
10-2. Additional Special Sections
16-1. libc Definition
16-2. libc - RPC Function Interfaces
16-3. libc - System Calls Function Interfaces
16-4. libc - System Calls Deprecated Function Interfaces
16-5. libc - Standard I/O Function Interfaces
16-6. libc - Standard I/O Deprecated Function Interfaces
16-7. libc - Standard I/O Data Interfaces
16-8. libc - Signal Handling Function Interfaces
16-9. libc - Signal Handling Data Interfaces
16-10. libc - Localization Functions Function Interfaces
16-11. libc - Localization Functions Deprecated Function Interfaces
16-12. libc - Localization Functions Data Interfaces
16-13. libc - Socket Interface Function Interfaces
16-14. libc - Wide Characters Function Interfaces
16-15. libc - String Functions Function Interfaces
16-16. libc - IPC Functions Function Interfaces
16-17. libc - Regular Expressions Function Interfaces
16-18. libc - Regular Expressions Data Interfaces
16-19. libc - Character Type Functions Function Interfaces
16-20. libc - Character Type Functions Data Interfaces
16-21. libc - Time Manipulation Function Interfaces
16-22. libc - Time Manipulation Data Interfaces
16-23. libc - Terminal Interface Functions Function Interfaces
16-24. libc - System Database Interface Function Interfaces
16-25. libc - System Database Interface Deprecated Function Interfaces
16-26. libc - Language Support Function Interfaces
16-27. libc - Large File Support Function Interfaces
16-28. libc - Large File Support Deprecated Function Interfaces
16-29. libc - Standard Library Function Interfaces
16-30. libc - Standard Library Data Interfaces
16-31. libm Definition
16-32. libm - Math Function Interfaces
16-33. libm - Math Data Interfaces
16-34. libpthread Definition
16-35. libpthread - Posix Threads Function Interfaces
16-36. libdl Definition
16-37. libcrypt Definition
A-1. libc Function Interfaces

I. Introduction

Table of Contents
1. Introduction

Chapter 1. Introduction

Introduction

This is version 1.3 of the Linux Standard Base Specification for the IA32 Architecture. An implementation of this version of the specification may not claim to be an implementation of the Linux Standard Base unless it has successfully completed the compliance process as defined by the Free Standards Group.


Purpose

The Linux Standard Base (LSB) defines a system interface for compiled applications and a minimal environment for support of installation scripts. Its purpose is to enable a uniform industry standard environment for high-volume applications conforming to the LSB.

The LSB defines a binary interface for application programs that are compiled and packaged for LSB-conforming implementations on many different hardware architectures. Since a binary specification must include information specific to the computer processor architecture for which it is intended, it is not possible for a single document to specify the interface for all possible LSB-conforming implementations. Therefore, the LSB is a family of specifications, rather than a single one.

The LSB is composed of two basic parts: A common part of the specification describes those parts of the interface that remain constant across all hardware implementations of the LSB, and an architecture-specific part of the specification describes the parts of the specification that are specific to a particular processor architecture. Together, the generic LSB and the architecture-specific supplement for a single hardware architecture provide a complete interface specification for compiled application programs on systems that share a common hardware architecture.

This document is the architecture-specific supplement. It must be used in conjunction with the generic LSB. This document provides architecture-specific information that supplements the generic LSB as well as additional information that is not found in the generic LSB.

This document should be used in conjunction with the documents it references. This document enumerates the system components it includes, but descriptions of those components may be included entirely or partly in this document, partly in other documents, or entirely in other reference documents. For example, the section that describes system service routines includes a list of the system routines supported in this interface, formal declarations of the data structures they use that are visible to applications, and a pointer to the underlying referenced specification for information about the syntax and semantics of each call. Only those routines not described in standards referenced by this document, or extensions to those standards, are described in the detail. Information referenced in this way is as much a part of this document as is the information explicitly included here.


Related Standards

The specifications listed below are referenced in whole or in part by the Linux Standard Base. Such references may be normative or non-normative; a reference to specification shall only be considered normative if it is explicitly cited as such. The LSB may make normative references to a portion of these specifications (that is, to define a specific function or group of functions); in such cases, only the explicitly referenced portion of the specification is to be considered normative.

Table 1-1. Related Standards

System V Application Binary Interface - DRAFT - 22 June 2000http://www.caldera.com/developers/gabi/2000-07-17/contents.html
DWARF Debugging Information Format, Revision 2.0.0 (July 27, 1993)
Filesystem Hierarchy Standard (FHS) 2.2http://www.pathname.com/fhs/
IEEE Standard for Binary Floating-Point Arithmetichttp://www.ieee.org/
System V Application Binary Interface, Edition 4.1http://www.caldera.com/developers/devspecs/gabi41.pdf
The IA-32 Intel® Architecture Software Developer's Manual Volume 1: Basic Architecturehttp://developer.intel.com/design/pentium4/manuals/245470.htm
The IA-32 Intel® Architecture Software Developer's Manual Volume 2: Instruction Set Referencehttp://developer.intel.com/design/pentium4/manuals/245471.htm
The IA-32 Intel® Architecture Software Developer's Manual Volume 3: System Programming Guidehttp://developer.intel.com/design/pentium4/manuals/245472.htm
System V Application Binary Interface - Intel386™ Architecture Processor Supplement, Fourth Editionhttp://www.caldera.com/developers/devspecs/abi386-4.pdf
ISO/IEC 9899: 1990, Programming Languages --C
ISO/IEC 9899: 1999, Programming Languages --C
ISO/IEC 14882: 1998(E) Programming languages --C++
Linux Assigned Names And Numbers Authorityhttp://www.lanana.org/
Large File Supporthttp://www.UNIX-systems.org/version2/whatsnew/lfs20mar.html
LI18NUX 2000 Globalization Specification, Version 1.0 with Amendment 4http://www.li18nux.org/docs/html/LI18NUX-2000-amd4.htm
Linux Standard Basehttp://www.linuxbase.org/spec/
OpenGL® Application Binary Interface for Linuxhttp://oss.sgi.com/projects/ogl-sample/ABI/
OSF-RFC 86.0http://www.opengroup.org/tech/rfc/mirror-rfc/rfc86.0.txt
IEEE Std POSIX 1003.2-1992 (ISO/IEC 9945-2:1993)http://www.ieee.org/
POSIX 1003.1chttp://www.ieee.org/
RFC 1952: GZIP file format specification version 4.3http://www.ietf.org/rfc/rfc1952.txt
RFC 2440: OpenPGP Message Format
CAE Specification, May 1996, X/Open Curses, Issue 4, Version 2 (ISBN: 1-85912-171-3, C610), plus Corrigendum U018http://www.opengroup.org/publications/catalog/un.htm
CAE Specification, January 1997, System Interface Definitions (XBD),Issue 5 (ISBN: 1-85912-186-1, C605)http://www.opengroup.org/publications/catalog/un.htm
CAE Specification, January 1997, Commands and Utilities (XCU), Issue 5 (ISBN: 1-85912-191-8, C604)http://www.opengroup.org/publications/catalog/un.htm
CAE Specification, February 1997, Networking Services (XNS), Issue 5(ISBN: 1-85912-165-9, C523)http://www.opengroup.org/
CAE Specification, January 1997, System Interfaces and Headers (XSH),Issue 5 (ISBN: 1-85912-181-0, C606)http://www.opengroup.org/publications/catalog/un.htm
The Single UNIX® Specification(SUS) Version 1 (UNIX 95) System Interfaces & Headershttp://www.opengroup.org/publications/catalog/un.htm
The Single UNIX® Specification(SUS) Version 3http://www.unix.org/version3/
System V Interface Definition, Issue 3 (ISBN 0201566524)
System V Interface Definition,Fourth Edition
Double Buffer Extension Libraryhttp://www.x.org/
X Display Power Management Signaling (DPMS) Extension, Library Specificationhttp://www.x.org/
X Record Extension Libraryhttp://www.x.org/
Security Extension Specification, Version 7.1http://www.x.org/
X Nonrectangular Window Shape Extension Library Version 1.0http://www.x.org/
MIT-SHM--The MIT Shared Memory Extensionhttp://www.x.org/
X Synchronization Extension Libraryhttp://www.x.org/
XTEST Extension Libraryhttp://www.x.org/
X11R6.4 X Inter-Client Exchange (ICE) Protocolhttp://www.x.org/
X11R6.4 X11 Input Extension Libraryhttp://www.x.org/
X11R6.4 Xlib - C libraryhttp://www.x.org/
X/Open Portability Guide, Issue 4http://www.opengroup.org/
X11R6.4 X Session Management Libraryhttp://www.x.org/
X11R6.4 X Toolkit Intrinsicshttp://www.x.org/
zlib 1.1.3 Manualhttp://www.gzip.org/zlib/

Relevant Libraries

The libraries listed here shall be available on a Linux Standard Base system. This list is an addition to the list in the general specification.

Table 1-2. Standard Library Names

LibraryRuntime Name
libmlibm.so.6
libdllibdl.so.2
libcryptlibcrypt.so.1
libclibc.so.6
libpthreadlibpthread.so.0
proginterp/lib/ld-lsb.so.1

These libraries will be in an implementation-dependent directory which the dynamic linker will search by default.


How to Use this Standard

The complete LSB specification is composed of a generic LSB specification and this supplemental processor-specific specification. These two documents constitute a specification that should be used in conjunction with the publicly-available standards documents it references. The LSB enumerates the system components it includes, but descriptions of those components may be included entirely in the LSB, partly in the LSB and partly in other documents, or entirely in other reference documents.


Definitions

gLSB

The common part of the LSB Specification that describes those parts of the interface that remain constant across all hardware implementations of the LSB.

archLSB

The architectural part of the LSB Specification which describes the specific parts of the interface that are platform specific. The archLSB is complementary to the gLSB.

LSB Implementation Conformance

An implementation satisfying the following requirements:

  1. The implementation shall implement fully the architecture described in the hardware manual for the target processor architecture.

  2. The implementation shall be capable of executing compiled applications having the format and using the system interfaces described in this document.

  3. The implementation shall provide libraries containing the interfaces specified by this document, and shall provide a dynamic linking mechanism that allows these interfaces to be attached to applications at runtime. All the interfaces shall behave as specified in this document.

  4. The map of virtual memory provided by the implementation shall conform to the requirements of this document.

  5. The implementation's low-level behavior with respect to function call linkage, system traps, signals, and other such activities shall conform to the formats described in this document.

  6. The implementation shall provide all of the mandatory interfaces in their entirety.

  7. The implementation may provide one or more of the optional interfaces. Each optional interface that is provided shall be provided in its entirety. The product documentation shall state which optional interfaces are provided.

  8. The implementation shall provide all files and utilities specified as part of this document in the format defined here and in other referenced documents. All commands and utilities shall behave as required by this document. The implementation shall also provide all mandatory components of an application's runtime environment that are included or referenced in this document.

  9. The implementation, when provided with standard data formats and values at a named interface, shall provide the behavior defined for those values and data formats at that interface. However, a conforming implementation may consist of components which are separately packaged and/or sold. For example, a vendor of a conforming implementation might sell the hardware, operating system, and windowing system as separately packaged items.

  10. The implementation may provide additional interfaces with different names. It may also provide additional behavior corresponding to data values outside the standard ranges, for standard named interfaces.

LSB Application Conformance

An application with the following characteristics:

  1. Its executable files are either shell scripts or object files in the format defined for the Object File Format system interface.

  2. Its object files participate in dynamic linking as defined in the Program Loading and Linking System interface.

  3. It employs only the instructions, traps, and other low-level facilities defined in the Low-Level System interface as being for use by applications.

  4. If it requires any optional interface defined in this document in order to be installed or to execute successfully, the requirement for that optional interface is stated in the application's documentation.

  5. It does not use any interface or data format that is not required to be provided by a conforming implementation, unless:

    • If such an interface or data format is supplied by another application through direct invocation of that application during execution, that application is in turn an LSB conforming application.

    • The use of that interface or data format, as well as its source, is identified in the documentation of the application.

  6. It must not use any values for a named interface that are reserved for vendor extensions.

A strictly conforming application does not require or use any interface, facility, or implementation-defined extension that is not defined in this document in order to be installed or to execute successfully.

Rationale

An LSB conforming application is expected to have no dependencies on any vendor extensions to this document. The most common such extensions are additional function entry points and additional libraries other than the ones defined in this document. If an application requires such extensions, it is not portable, since other LSB conforming implementations may not provide those extensions.

An LSB conforming application is required to use system services on the implementation on which it is running, rather than importing system routines from some other implementation. Thus, it must link dynamically to any routines in the implementation that perform system traps to kernel services.

It is to be expected that some applications may be companion applications to other applications. For example, a query application may be a companion to a database application; a preprocessor may be an adjunct to one or more compilers; a data reformatter may convert data from one document manager to another. In such cases, the application may or may not be LSB conforming, regardless of whether the other application on which it is dependent is LSB conforming. If such an application merely uses data produced by another application, the application's compliance is independent of the other application's compliance. If such an application actually invokes another application during execution (as, for example, a third-party math library), the invoking application is LSB conforming only if it also constitutes a LSB conforming application in combination with the invoked application.

Shell Script

A file that is read by an interpreter (e.g., awk). The first line of the shell script includes a reference to its interpreter binary.


Terminology

can

Describes a permissible optional feature or behavior available to the user or application. The feature or behavior is mandatory for an implementation that conforms to this document. An application can rely on the existence of the feature or behavior.

implementation-defined

Describes a value or behavior that is not defined by this document but is selected by an implementor. The value or behavior may vary among implementations that conform to this document. An application should not rely on the existence of the value or behavior. An application that relies on such a value or behavior cannot be assured to be portable across conforming implementations. The implementor shall document such a value or behavior so that it can be used correctly by an application.

may

Describes a feature or behavior that is optional for an implementation that conforms to this document. An application should not rely on the existence of the feature or behavior. An application that relies on such a feature or behavior cannot be assured to be portable across conforming implementations.

To avoid ambiguity, the opposite of may is expressed as need not, instead of may not.

must

Describes a feature or behavior that is mandatory for an application or user. An implementation that conforms to this document shall support this feature or behavior.

shall

Describes a feature or behavior that is mandatory for an implementation that conforms to this document. An application can rely on the existence of the feature or behavior.

should

For an implementation that conforms to this document, describes a feature or behavior that is recommended but not mandatory. An application should not rely on the existence of the feature or behavior. An application that relies on such a feature or behavior cannot be assured to be portable across conforming implementations.

For an application, describes a feature or behavior that is recommended programming practice for optimum portability.

undefined

Describes the nature of a value or behavior not defined by this document which results from use of an invalid program construct or invalid data input. The value or behavior may vary among implementations that conform to this document. An application should not rely on the existence or validity of the value or behavior. An application that relies on any particular value or behavior cannot be assured to be portable across conforming implementations.

unspecified

Describes the nature of a value or behavior not specified by this document which results from use of a valid program construct or valid data input. The value or behavior may vary among implementations that conform to this document. An application should not rely on the existence or validity of the value or behavior. An application that relies on any particular value or behavior cannot be assured to be portable across conforming implementations.

will

Same meaning as shall; shall is the preferred term.


Chapter 2. Machine Interface

Processor Architecture

The IA32 Architecture is specified by the following documents

  • Intel Architecture Software Developer's Manual, Volume 1: Basic Architecture

  • Intel Architecture Software Developer's Manual, Volume 2: Instruction Set Reference Manual

  • Intel Architecture Software Developer's Manual, Volume 3: System Programming Guide

Only the features of the Intel486 processor instruction set may be assumed to be present. An application is responsible for determining if any additional instruction set features are available before using those additional features. If a feature is not present, then the application may not use it.

Applications conforming to this specification must provide feedback to the user if a feature that is required for correct execution of the application is not present. Applications conforming to this specification should attempt to execute in a diminished capacity if a required instruction set feature is not present.

This specfication does not provide any performance guarantees of a conforming system. A system conforming to this specification may be implemented in either hardware or software.


Data Representation

LSB-conforming applications shall use the data representation as defined in Chapter 3 of the System V Application Binary Interface - Intel386 Architecture Processor Supplement.


Byte Ordering


Fundamental Types

In addition to the fundamental types specified in Chapter 3 of the System V Application Binary Interface - Intel386 Architecture, a 64 bit data type is defined here.

Table 2-1. Scalar Types

TypeCsizeofAlignment (bytes)IntelI386 Architecture
Integrallong long84signed double word
signed long long
unsigned long long84unsigned double word


Aggregates and Unions


Bit Fields


Chapter 3. Function Calling Sequence

LSB-conforming applications shall use the function calling sequence as defined in Chapter 3 of the System V Application Binary Interface - Intel386 Architecture Processor Supplement.


CPU Registers


Floating Point Registers


Stack Frame


Arguments


Integral/Pointer


Floating Point


Struct and Union Point


Variable Arguments


Return Values


Void


Integral/Pointer


Floating Point


Struct and Union Point


Chapter 4. Operating System Interface

LSB-conforming applications shall use the Operating System Interfaces as defined in Chapter 3 of the System V Application Binary Interface - Intel386 Architecture Processor Supplement.


Virtual Address Space


Page Size


Virtual Address Assignments


Managing the PRocess Stack


Coding Guidlines


Processor Execution Mode


Exception Interface


Hardware Exception Types


Software Trap Types


Signal Delivery


Signal Handler Interface


Chapter 5. Process Initialization

LSB-conforming applications shall use the Process Initialization as defined in Chapter 3 of the System V Application Binary Interface - Intel386 Architecture Processor Supplement.


Special Registers


Process Stack (on entry)


Auxilliary Vectors


Environment


Chapter 6. Coding Examples

LSB-conforming applications may implement fundamental operations using the Coding Examples as defined in Chapter 3 of the System V Application Binary Interface - Intel386 Architecture Processor Supplement.


Code Model Overview/Architecture Constraints


Position-Independent Fucntion Prologue


Data Objects


Absolute Load & Store


Position Relative Load & Store


Function Calls


Absolute Direct Function Call


Absolute Indirect Function Call


Position-Independent Direct Function Call


Position-Independent Indirect Function Call


Branching


Branch Instruction


Absolute switch() code


Position-Independent switch() code


Chapter 7. C Stack Frame

Variable Argument List


Dynamic Allocation of Stack Space


Chapter 8. Debug Information

The LSB does not currently specify the format of Debug information.

III. Object Format

LSB-conforming implementations shall support an object file , called Executable and Linking Format (ELF) as defined by the System V Application Binary Interface, Edition 4.1 , System V Application Binary Interface - DRAFT - 22 June 2000 , System V Application Binary Interface - Intel386™ Architecture Processor Supplement, Fourth Edition and as supplemented by the Linux Standard Base and this document.

Table of Contents
9. ELF Header
10. Special Sections
11. Symbol Table
12. Relocation

Chapter 9. ELF Header

Machine Information

LSB-conforming applications shall use the Machine Information as defined in Chapter 4 of the System V Application Binary Interface - Intel386™ Architecture Processor Supplement, Fourth Edition.


File Class


Data Encoding


OS Identification


Processor Identification


Processor Specific Flags


Chapter 10. Special Sections


Special Sections

Various sections hold program and control information. Sections in the lists bel ow are used by the system and have the indicated types and attributes.


ELF Special Sections

The following sections are defined in the System V Application Binary Interface - Intel386™ Architecture Processor Supplement, Fourth Edition.

Table 10-1. ELF Special Sections

NameTypeAttributes
.gotSHT_PROGBITSSHF_ALLOC+SHF_WRITE
.pltSHT_PROGBITSSHF_ALLOC+SHF_EXECINSTR

.got

This section holds the global offset table. See `Coding Examples' in Chapter 3, `Special Sections' in Chapter 4, and `Global Offset Table' in Chapter 5 of the processor supplement for more information.

.plt

This section holds the procedure linkage table.


Addition Special Sections

The following additional sections are defined here.

Table 10-2. Additional Special Sections

NameTypeAttributes
.rel.dynSHT_RELSHF_ALLOC

.rel.dyn

This section holds relocation information, as described in `Relocation'. These relocations are applied to the .dyn section.


Chapter 11. Symbol Table

LSB-conforming applications shall use the Symbol Table as defined in Chapter 4 of the System V Application Binary Interface - Intel386™ Architecture Processor Supplement, Fourth Edition.


Chapter 12. Relocation

LSB-conforming applications shall use Relocations as defined in Chapter 4 of the System V Application Binary Interface - Intel386™ Architecture Processor Supplement, Fourth Edition.


Relocation Types

IV. Program Loading and Dynamic Linking

LSB-conforming implementations shall support the object file information and system actions that create running programs as specified in the System V Application Binary Interface, Edition 4.1 , System V Application Binary Interface - DRAFT - 22 June 2000 , System V Application Binary Interface - Intel386™ Architecture Processor Supplement, Fourth Edition and as supplemented by the Linux Standard Base and this document.


Chapter 13. Program Header


Types


Flags


Chapter 14. Program Loading


Chapter 15. Dynamic Linking


Program Interpreter/Dynamic Linker

The LSB specifies the Program Interpreter to be /lib/ld-lsb.so.1.


Dynamic Section

The following dynamic entries are defined in the System V Application Binary Interface - Intel386™ Architecture Processor Supplement, Fourth Edition.

DT_PLTGOT

On the Intel386 architecture, this entrys d_ptr member gives the address of the first entry in the global offset table.


Global Offset Table


Shared Object Dependencies


Function Addresses


Procedure Linkage Table


Initialization and Termination Functions

V. Base Libraries

Table of Contents
16. Libraries

Chapter 16. Libraries

An LSB-conforming implementation shall support some base libraries which provide interfaces for accessing the operating system, processor and other hardware in the system.

Interfaces that are unique to the IA32 platform are defined here. This section should be used in conjunction with the corresponding section in the Linux Standard Base Specification.


Interfaces for libc

Table 16-1. libc Definition

Library:libc
SONAME:libc.so.6

The behavior of the interfaces in this library is specified by the following standards.

ISO/IEC 9899: 1999, Programming Languages --C[1]
Large File Support[2]
Linux Standard Base[3]
IEEE Std POSIX.1-1996 [ISO/IEC 9945-1:1996][4]
CAE Specification, February 1997, Networking Services (XNS), Issue 5(ISBN: 1-85912-165-9, C523)[5]
CAE Specification, January 1997, System Interfaces and Headers (XSH),Issue 5 (ISBN: 1-85912-181-0, C606)[6]
The Single UNIX® Specification(SUS) Version 3[7]
System V Interface Definition, Issue 3 (ISBN 0201566524)[8]
System V Interface Definition,Fourth Edition[9]


RPC

Table 16-2. libc - RPC Function Interfaces

authnone_create(GLIBC_2.0)[9]svc_getreqset(GLIBC_2.0)[8]xdr_bytes(GLIBC_2.0)[8]xdr_opaque_auth(GLIBC_2.0)[8]xdr_union(GLIBC_2.0)[8]
clnt_create(GLIBC_2.0)[9]svcerr_auth(GLIBC_2.0)[8]xdr_callhdr(GLIBC_2.0)[8]xdr_pointer(GLIBC_2.0)[8]xdr_vector(GLIBC_2.0)[8]
clnt_pcreateerror(GLIBC_2.0)[9]svcerr_decode(GLIBC_2.0)[8]xdr_callmsg(GLIBC_2.0)[8]xdr_reference(GLIBC_2.0)[8]xdr_void(GLIBC_2.0)[8]
clnt_perrno(GLIBC_2.0)[9]svcerr_noproc(GLIBC_2.0)[8]xdr_char(GLIBC_2.0)[8]xdr_rejected_reply(GLIBC_2.0)[8]xdr_wrapstring(GLIBC_2.0)[8]
clnt_perror(GLIBC_2.0)[9]svcerr_noprog(GLIBC_2.0)[8]xdr_double(GLIBC_2.0)[8]xdr_replymsg(GLIBC_2.0)[8]xdrmem_create(GLIBC_2.0)[8]
clnt_spcreateerror(GLIBC_2.0)[9]svcerr_progvers(GLIBC_2.0)[8]xdr_enum(GLIBC_2.0)[8]xdr_short(GLIBC_2.0)[8]xdrrec_create(GLIBC_2.0)[8]
clnt_sperrno(GLIBC_2.0)[9]svcerr_systemerr(GLIBC_2.0)[8]xdr_float(GLIBC_2.0)[8]xdr_string(GLIBC_2.0)[8]xdrrec_eof(GLIBC_2.0)[8]
clnt_sperror(GLIBC_2.0)[9]svcerr_weakauth(GLIBC_2.0)[8]xdr_free(GLIBC_2.0)[8]xdr_u_char(GLIBC_2.0)[8] 
getdomainname(GLIBC_2.0)[3]xdr_accepted_reply(GLIBC_2.0)[8]xdr_int(GLIBC_2.0)[8]xdr_u_int(GLIBC_2.0)[3] 
key_decryptsession(GLIBC_2.1)[8]xdr_array(GLIBC_2.1)[8]xdr_long(GLIBC_2.1)[8]xdr_u_long(GLIBC_2.1)[8] 
setdomainname(GLIBC_2.0)[3]xdr_bool(GLIBC_2.0)[8]xdr_opaque(GLIBC_2.0)[8]xdr_u_short(GLIBC_2.0)[8] 

System Calls

Table 16-3. libc - System Calls Function Interfaces

__fxstat(GLIBC_2.0)[3]fchown(GLIBC_2.0)[6]initgroups(GLIBC_2.0)[3]read(GLIBC_2.0)[6]setrlimit64(GLIBC_2.0)[2]
__getpgid(GLIBC_2.0)[3]fcntl(GLIBC_2.0)[3]ioctl(GLIBC_2.0)[3]readdir(GLIBC_2.0)[6]setsid(GLIBC_2.0)[6]
__lxstat(GLIBC_2.0)[3]fdatasync(GLIBC_2.0)[6]kill(GLIBC_2.0)[3]readdir_r(GLIBC_2.0)[6]setuid(GLIBC_2.0)[6]
__xmknod(GLIBC_2.0)[3]flock(GLIBC_2.0)[3]killpg(GLIBC_2.0)[6]readlink(GLIBC_2.0)[6]sleep(GLIBC_2.0)[6]
__xstat(GLIBC_2.0)[3]fork(GLIBC_2.0)[6]lchown(GLIBC_2.0)[6]readv(GLIBC_2.0)[6]statfs(GLIBC_2.0)[3]
access(GLIBC_2.0)[6]fstatfs(GLIBC_2.0)[3]link(GLIBC_2.0)[6]rename(GLIBC_2.0)[6]statvfs(GLIBC_2.0)[6]
acct(GLIBC_2.0)[3]fstatvfs(GLIBC_2.0)[6]lockf(GLIBC_2.0)[6]rmdir(GLIBC_2.0)[6]stime(GLIBC_2.0)[3]
alarm(GLIBC_2.0)[6]fsync(GLIBC_2.0)[6]lseek(GLIBC_2.0)[6]sbrk(GLIBC_2.0)[6]symlink(GLIBC_2.0)[6]
brk(GLIBC_2.0)[6]ftime(GLIBC_2.0)[6]mkdir(GLIBC_2.0)[6]sched_get_priority_max(GLIBC_2.0)[6]sync(GLIBC_2.0)[6]
chdir(GLIBC_2.0)[6]ftruncate(GLIBC_2.0)[6]mkfifo(GLIBC_2.0)[6]sched_get_priority_min(GLIBC_2.0)[6]sysconf(GLIBC_2.0)[6]
chmod(GLIBC_2.0)[6]getcontext(GLIBC_2.0)[6]mlock(GLIBC_2.0)[6]sched_getparam(GLIBC_2.0)[6]time(GLIBC_2.0)[6]
chown(GLIBC_2.1)[6]getegid(GLIBC_2.1)[6]mlockall(GLIBC_2.1)[6]sched_getscheduler(GLIBC_2.1)[6]times(GLIBC_2.1)[6]
chroot(GLIBC_2.0)[6]geteuid(GLIBC_2.0)[6]mmap(GLIBC_2.0)[6]sched_rr_get_interval(GLIBC_2.0)[6]truncate(GLIBC_2.0)[6]
clock(GLIBC_2.0)[6]getgid(GLIBC_2.0)[6]mprotect(GLIBC_2.0)[6]sched_setparam(GLIBC_2.0)[6]ulimit(GLIBC_2.0)[6]
close(GLIBC_2.0)[6]getgroups(GLIBC_2.0)[6]msync(GLIBC_2.0)[6]sched_setscheduler(GLIBC_2.0)[6]umask(GLIBC_2.0)[6]
closedir(GLIBC_2.0)[6]getitimer(GLIBC_2.0)[6]munlock(GLIBC_2.0)[6]sched_yield(GLIBC_2.0)[6]uname(GLIBC_2.0)[6]
creat(GLIBC_2.0)[6]getloadavg(GLIBC_2.0)[3]munlockall(GLIBC_2.0)[6]select(GLIBC_2.0)[5]unlink(GLIBC_2.0)[3]
dup(GLIBC_2.0)[6]getpagesize(GLIBC_2.0)[6]munmap(GLIBC_2.0)[6]setcontext(GLIBC_2.0)[6]utime(GLIBC_2.0)[6]
dup2(GLIBC_2.0)[6]getpgid(GLIBC_2.0)[6]nanosleep(GLIBC_2.0)[6]setegid(GLIBC_2.0)[3]utimes(GLIBC_2.0)[6]
execl(GLIBC_2.0)[6]getpgrp(GLIBC_2.0)[6]nice(GLIBC_2.0)[3]seteuid(GLIBC_2.0)[3]vfork(GLIBC_2.0)[6]
execle(GLIBC_2.0)[6]getpid(GLIBC_2.0)[6]open(GLIBC_2.0)[6]setgid(GLIBC_2.0)[6]wait(GLIBC_2.0)[6]
execlp(GLIBC_2.0)[6]getppid(GLIBC_2.0)[6]opendir(GLIBC_2.0)[6]setitimer(GLIBC_2.0)[6]wait3(GLIBC_2.0)[3]
execv(GLIBC_2.0)[6]getpriority(GLIBC_2.0)[6]pathconf(GLIBC_2.0)[6]setpgid(GLIBC_2.0)[6]wait4(GLIBC_2.0)[3]
execve(GLIBC_2.0)[6]getrlimit(GLIBC_2.0)[6]pause(GLIBC_2.0)[6]setpgrp(GLIBC_2.0)[6]waitid(GLIBC_2.0)[3]
execvp(GLIBC_2.0)[6]getrusage(GLIBC_2.0)[6]pipe(GLIBC_2.0)[6]setpriority(GLIBC_2.0)[6]waitpid(GLIBC_2.0)[3]
exit(GLIBC_2.0)[6]getsid(GLIBC_2.0)[6]poll(GLIBC_2.0)[6]setregid(GLIBC_2.0)[6]write(GLIBC_2.0)[6]
fchdir(GLIBC_2.0)[6]getuid(GLIBC_2.0)[6]pread(GLIBC_2.0)[6]setreuid(GLIBC_2.0)[6]writev(GLIBC_2.0)[6]
fchmod(GLIBC_2.0)[6]getwd(GLIBC_2.0)[6]pwrite(GLIBC_2.0)[6]setrlimit(GLIBC_2.0)[6] 

Table 16-4. libc - System Calls Deprecated Function Interfaces

fstatfs(GLIBC_2.0)[3]statfs(GLIBC_2.0)[3]waitid(GLIBC_2.0)[3]  

Standard I/O

Table 16-5. libc - Standard I/O Function Interfaces

_IO_feof(GLIBC_2.0)[3]fgetc(GLIBC_2.0)[6]fseeko(GLIBC_2.0)[6]putc(GLIBC_2.0)[6]snprintf(GLIBC_2.0)[6]
_IO_getc(GLIBC_2.0)[3]fgetpos(GLIBC_2.0)[6]fsetpos(GLIBC_2.0)[6]putc_unlocked(GLIBC_2.0)[6]sprintf(GLIBC_2.0)[6]
_IO_putc(GLIBC_2.0)[3]fgets(GLIBC_2.0)[6]ftell(GLIBC_2.0)[6]putchar(GLIBC_2.0)[6]sscanf(GLIBC_2.0)[6]
_IO_puts(GLIBC_2.0)[3]fgetwc_unlocked(GLIBC_2.0)[6]ftello(GLIBC_2.0)[6]putchar_unlocked(GLIBC_2.0)[6]telldir(GLIBC_2.0)[6]
alphasort(GLIBC_2.0)[3]fileno(GLIBC_2.0)[6]fwrite(GLIBC_2.0)[6]puts(GLIBC_2.0)[6]tempnam(GLIBC_2.0)[6]
asprintf(GLIBC_2.0)[3]flockfile(GLIBC_2.0)[6]getc(GLIBC_2.0)[6]putw(GLIBC_2.0)[6]ungetc(GLIBC_2.0)[6]
clearerr(GLIBC_2.0)[6]fopen(GLIBC_2.0)[6]getc_unlocked(GLIBC_2.0)[6]remove(GLIBC_2.0)[6]vasprintf(GLIBC_2.0)[3]
ctermid(GLIBC_2.0)[6]fprintf(GLIBC_2.0)[6]getchar(GLIBC_2.0)[6]rewind(GLIBC_2.0)[6]vdprintf(GLIBC_2.0)[3]
fclose(GLIBC_2.1)[6]fputc(GLIBC_2.1)[6]getchar_unlocked(GLIBC_2.1)[6]rewinddir(GLIBC_2.1)[6]vfprintf(GLIBC_2.1)[6]
fdopen(GLIBC_2.1)[6]fputs(GLIBC_2.1)[6]gets(GLIBC_2.1)[3]scanf(GLIBC_2.1)[6]vprintf(GLIBC_2.1)[6]
feof(GLIBC_2.0)[6]fread(GLIBC_2.0)[6]getw(GLIBC_2.0)[6]seekdir(GLIBC_2.0)[6]vsnprintf(GLIBC_2.0)[6]
ferror(GLIBC_2.0)[6]freopen(GLIBC_2.0)[6]pclose(GLIBC_2.0)[6]setbuf(GLIBC_2.0)[6]vsprintf(GLIBC_2.0)[6]
fflush(GLIBC_2.0)[6]fscanf(GLIBC_2.0)[6]popen(GLIBC_2.0)[6]setbuffer(GLIBC_2.0)[3] 
fflush_unlocked(GLIBC_2.0)[6]fseek(GLIBC_2.0)[6]printf(GLIBC_2.0)[6]setvbuf(GLIBC_2.0)[6] 

Table 16-6. libc - Standard I/O Deprecated Function Interfaces

alphasort(GLIBC_2.0)[3]    

Table 16-7. libc - Standard I/O Data Interfaces

stderr(GLIBC_2.0)[6]stdin(GLIBC_2.0)[6]stdout(GLIBC_2.0)[6]  

Signal Handling

Table 16-8. libc - Signal Handling Function Interfaces

__libc_current_sigrtmax(GLIBC_2.1)[3]sigaddset(GLIBC_2.1)[6]sighold(GLIBC_2.1)[6]sigpause(GLIBC_2.1)[6]sigsuspend(GLIBC_2.1)[6]
__libc_current_sigrtmin(GLIBC_2.1)[3]sigaltstack(GLIBC_2.1)[6]sigignore(GLIBC_2.1)[6]sigpending(GLIBC_2.1)[6]sigtimedwait(GLIBC_2.1)[6]
__sigsetjmp(GLIBC_2.0)[3]sigandset(GLIBC_2.0)[3]siginterrupt(GLIBC_2.0)[6]sigprocmask(GLIBC_2.0)[6]sigwait(GLIBC_2.0)[6]
__sysv_signal(GLIBC_2.0)[3]sigblock(GLIBC_2.0)[3]sigisemptyset(GLIBC_2.0)[3]sigqueue(GLIBC_2.0)[6]sigwaitinfo(GLIBC_2.0)[6]
bsd_signal(GLIBC_2.0)[6]sigdelset(GLIBC_2.0)[6]sigismember(GLIBC_2.0)[6]sigrelse(GLIBC_2.0)[6] 
psignal(GLIBC_2.0)[3]sigemptyset(GLIBC_2.0)[6]siglongjmp(GLIBC_2.0)[6]sigreturn(GLIBC_2.0)[3] 
raise(GLIBC_2.0)[6]sigfillset(GLIBC_2.0)[6]signal(GLIBC_2.0)[6]sigset(GLIBC_2.0)[6] 
sigaction(GLIBC_2.0)[6]siggetmask(GLIBC_2.0)[3]sigorset(GLIBC_2.0)[3]sigstack(GLIBC_2.0)[6] 

Table 16-9. libc - Signal Handling Data Interfaces

_sys_siglist(GLIBC_2.1)[3]    

Localization Functions

Table 16-10. libc - Localization Functions Function Interfaces

__dcgettext(GLIBC_2.0)[3]catgets(GLIBC_2.0)[6]dgettext(GLIBC_2.0)[3]iconv_close(GLIBC_2.0)[6]nl_langinfo(GLIBC_2.0)[6]
bind_textdomain_codeset(GLIBC_2.2)[3]catopen(GLIBC_2.2)[6]dngettext(GLIBC_2.2)[3]iconv_open(GLIBC_2.2)[6]setlocale(GLIBC_2.2)[6]
bindtextdomain(GLIBC_2.0)[3]dcgettext(GLIBC_2.0)[3]gettext(GLIBC_2.0)[3]localeconv(GLIBC_2.0)[6]textdomain(GLIBC_2.0)[3]
catclose(GLIBC_2.0)[6]dcngettext(GLIBC_2.0)[3]iconv(GLIBC_2.0)[6]ngettext(GLIBC_2.0)[3] 

Table 16-11. libc - Localization Functions Deprecated Function Interfaces

__dcgettext(GLIBC_2.0)[3]    

Table 16-12. libc - Localization Functions Data Interfaces

_nl_msg_cat_cntr(GLIBC_2.0)[3]    

Socket Interface

Table 16-13. libc - Socket Interface Function Interfaces

__h_errno_location(GLIBC_2.0)[3]gethostbyname_r(GLIBC_2.0)[3]getsockopt(GLIBC_2.0)[5]send(GLIBC_2.0)[5]socket(GLIBC_2.0)[5]
accept(GLIBC_2.0)[5]gethostid(GLIBC_2.0)[6]listen(GLIBC_2.0)[5]sendmsg(GLIBC_2.0)[5]socketpair(GLIBC_2.0)[5]
bind(GLIBC_2.0)[5]gethostname(GLIBC_2.0)[5]recv(GLIBC_2.0)[5]sendto(GLIBC_2.0)[5] 
bindresvport(GLIBC_2.0)[3]getpeername(GLIBC_2.0)[5]recvfrom(GLIBC_2.0)[5]setsockopt(GLIBC_2.0)[5] 
connect(GLIBC_2.0)[5]getsockname(GLIBC_2.0)[5]recvmsg(GLIBC_2.0)[5]shutdown(GLIBC_2.0)[5] 

Wide Characters

Table 16-14. libc - Wide Characters Function Interfaces

__wcstod_internal(GLIBC_2.0)[3]mbsinit(GLIBC_2.0)[6]vwscanf(GLIBC_2.0)[1]wcsnlen(GLIBC_2.0)[3]wcstoumax(GLIBC_2.0)[1]
__wcstof_internal(GLIBC_2.0)[3]mbsnrtowcs(GLIBC_2.0)[3]wcpcpy(GLIBC_2.0)[3]wcsnrtombs(GLIBC_2.0)[3]wcstouq(GLIBC_2.0)[3]
__wcstol_internal(GLIBC_2.0)[3]mbsrtowcs(GLIBC_2.0)[6]wcpncpy(GLIBC_2.0)[3]wcspbrk(GLIBC_2.0)[1]wcswcs(GLIBC_2.0)[6]
__wcstold_internal(GLIBC_2.0)[3]mbstowcs(GLIBC_2.0)[6]wcrtomb(GLIBC_2.0)[6]wcsrchr(GLIBC_2.0)[6]wcswidth(GLIBC_2.0)[6]
__wcstoul_internal(GLIBC_2.0)[3]mbtowc(GLIBC_2.0)[6]wcscasecmp(GLIBC_2.0)[3]wcsrtombs(GLIBC_2.0)[6]wcsxfrm(GLIBC_2.0)[6]
btowc(GLIBC_2.0)[6]putwc(GLIBC_2.0)[1]wcscat(GLIBC_2.0)[6]wcsspn(GLIBC_2.0)[6]wctob(GLIBC_2.0)[6]
fgetwc(GLIBC_2.2)[6]putwchar(GLIBC_2.2)[1]wcschr(GLIBC_2.2)[6]wcsstr(GLIBC_2.2)[6]wctomb(GLIBC_2.2)[6]
fgetws(GLIBC_2.2)[1]swprintf(GLIBC_2.2)[6]wcscmp(GLIBC_2.2)[6]wcstod(GLIBC_2.2)[6]wctrans(GLIBC_2.2)[6]
fputwc(GLIBC_2.2)[1]swscanf(GLIBC_2.2)[1]wcscoll(GLIBC_2.2)[6]wcstof(GLIBC_2.2)[1]wctype(GLIBC_2.2)[6]
fputws(GLIBC_2.2)[1]towctrans(GLIBC_2.2)[6]wcscpy(GLIBC_2.2)[6]wcstoimax(GLIBC_2.2)[1]wcwidth(GLIBC_2.2)[6]
fwide(GLIBC_2.2)[1]towlower(GLIBC_2.2)[1]wcscspn(GLIBC_2.2)[6]wcstok(GLIBC_2.2)[6]wmemchr(GLIBC_2.2)[6]
fwprintf(GLIBC_2.2)[6]towupper(GLIBC_2.2)[6]wcsdup(GLIBC_2.2)[3]wcstol(GLIBC_2.2)[6]wmemcmp(GLIBC_2.2)[6]
fwscanf(GLIBC_2.2)[1]ungetwc(GLIBC_2.2)[1]wcsftime(GLIBC_2.2)[1]wcstold(GLIBC_2.2)[1]wmemcpy(GLIBC_2.2)[6]
getwc(GLIBC_2.2)[1]vfwprintf(GLIBC_2.2)[1]wcslen(GLIBC_2.2)[6]wcstoll(GLIBC_2.2)[1]wmemmove(GLIBC_2.2)[6]
getwchar(GLIBC_2.2)[6]vfwscanf(GLIBC_2.2)[1]wcsncasecmp(GLIBC_2.2)[3]wcstombs(GLIBC_2.2)[6]wmemset(GLIBC_2.2)[6]
mblen(GLIBC_2.0)[6]vswprintf(GLIBC_2.0)[1]wcsncat(GLIBC_2.0)[6]wcstoq(GLIBC_2.0)[3]wprintf(GLIBC_2.0)[1]
mbrlen(GLIBC_2.0)[6]vswscanf(GLIBC_2.0)[1]wcsncmp(GLIBC_2.0)[6]wcstoul(GLIBC_2.0)[6]wscanf(GLIBC_2.0)[1]
mbrtowc(GLIBC_2.0)[6]vwprintf(GLIBC_2.0)[1]wcsncpy(GLIBC_2.0)[6]wcstoull(GLIBC_2.0)[1] 

String Functions

Table 16-15. libc - String Functions Function Interfaces

__mempcpy(GLIBC_2.0)[3]bzero(GLIBC_2.0)[6]strcasestr(GLIBC_2.0)[3]strncasecmp(GLIBC_2.0)[6]strtoimax(GLIBC_2.0)[1]
__rawmemchr(GLIBC_2.1)[3]ffs(GLIBC_2.1)[6]strcat(GLIBC_2.1)[6]strncat(GLIBC_2.1)[6]strtok(GLIBC_2.1)[6]
__stpcpy(GLIBC_2.0)[3]index(GLIBC_2.0)[6]strchr(GLIBC_2.0)[6]strncmp(GLIBC_2.0)[6]strtok_r(GLIBC_2.0)[3]
__strdup(GLIBC_2.0)[3]memccpy(GLIBC_2.0)[6]strcmp(GLIBC_2.0)[6]strncpy(GLIBC_2.0)[6]strtold(GLIBC_2.0)[1]
__strtod_internal(GLIBC_2.0)[3]memchr(GLIBC_2.0)[6]strcoll(GLIBC_2.0)[6]strndup(GLIBC_2.0)[3]strtoll(GLIBC_2.0)[1]
__strtof_internal(GLIBC_2.0)[3]memcmp(GLIBC_2.0)[6]strcpy(GLIBC_2.0)[6]strnlen(GLIBC_2.0)[3]strtoq(GLIBC_2.0)[3]
__strtok_r(GLIBC_2.0)[3]memcpy(GLIBC_2.0)[6]strcspn(GLIBC_2.0)[6]strpbrk(GLIBC_2.0)[6]strtoull(GLIBC_2.0)[1]
__strtol_internal(GLIBC_2.0)[3]memmove(GLIBC_2.0)[6]strdup(GLIBC_2.0)[6]strptime(GLIBC_2.0)[3]strtoumax(GLIBC_2.0)[1]
__strtold_internal(GLIBC_2.0)[3]memrchr(GLIBC_2.0)[3]strerror(GLIBC_2.0)[6]strrchr(GLIBC_2.0)[6]strtouq(GLIBC_2.0)[3]
__strtoll_internal(GLIBC_2.0)[3]memset(GLIBC_2.0)[6]strerror_r(GLIBC_2.0)[3]strsep(GLIBC_2.0)[3]strverscmp(GLIBC_2.0)[3]
__strtoul_internal(GLIBC_2.0)[3]rindex(GLIBC_2.0)[6]strfmon(GLIBC_2.0)[6]strsignal(GLIBC_2.0)[3]strxfrm(GLIBC_2.0)[6]
__strtoull_internal(GLIBC_2.0)[3]stpcpy(GLIBC_2.0)[3]strfry(GLIBC_2.0)[3]strspn(GLIBC_2.0)[6]swab(GLIBC_2.0)[6]
bcmp(GLIBC_2.0)[6]stpncpy(GLIBC_2.0)[3]strftime(GLIBC_2.0)[6]strstr(GLIBC_2.0)[6] 
bcopy(GLIBC_2.0)[6]strcasecmp(GLIBC_2.0)[6]strlen(GLIBC_2.0)[6]strtof(GLIBC_2.0)[1] 

IPC Functions

Table 16-16. libc - IPC Functions Function Interfaces

ftok(GLIBC_2.0)[6]msgrcv(GLIBC_2.0)[6]semget(GLIBC_2.0)[6]shmctl(GLIBC_2.0)[6] 
msgctl(GLIBC_2.0)[6]msgsnd(GLIBC_2.0)[6]semop(GLIBC_2.0)[6]shmdt(GLIBC_2.0)[6] 
msgget(GLIBC_2.0)[6]semctl(GLIBC_2.0)[6]shmat(GLIBC_2.0)[6]shmget(GLIBC_2.0)[6] 

Regular Expressions

Table 16-17. libc - Regular Expressions Function Interfaces

advance(GLIBC_2.0)[6]re_exec(GLIBC_2.0)[6]regerror(GLIBC_2.0)[6]regfree(GLIBC_2.0)[6] 
re_comp(GLIBC_2.0)[6]regcomp(GLIBC_2.0)[6]regexec(GLIBC_2.0)[6]step(GLIBC_2.0)[6] 

Table 16-18. libc - Regular Expressions Data Interfaces

loc1(GLIBC_2.0)[6]loc2(GLIBC_2.0)[6]locs(GLIBC_2.0)[6]  

Character Type Functions

Table 16-19. libc - Character Type Functions Function Interfaces

__ctype_get_mb_cur_max(GLIBC_2.0)[3]isdigit(GLIBC_2.0)[6]iswalnum(GLIBC_2.0)[6]iswlower(GLIBC_2.0)[6]toascii(GLIBC_2.0)[6]
_tolower(GLIBC_2.0)[6]isgraph(GLIBC_2.0)[6]iswalpha(GLIBC_2.0)[6]iswprint(GLIBC_2.0)[6]tolower(GLIBC_2.0)[6]
_toupper(GLIBC_2.0)[6]islower(GLIBC_2.0)[6]iswblank(GLIBC_2.0)[7]iswpunct(GLIBC_2.0)[6]toupper(GLIBC_2.0)[6]
isalnum(GLIBC_2.0)[6]isprint(GLIBC_2.0)[6]iswcntrl(GLIBC_2.0)[6]iswspace(GLIBC_2.0)[6] 
isalpha(GLIBC_2.0)[6]ispunct(GLIBC_2.0)[6]iswctype(GLIBC_2.0)[3]iswupper(GLIBC_2.0)[6] 
isascii(GLIBC_2.0)[6]isspace(GLIBC_2.0)[6]iswdigit(GLIBC_2.0)[6]iswxdigit(GLIBC_2.0)[6] 
iscntrl(GLIBC_2.0)[6]isupper(GLIBC_2.0)[6]iswgraph(GLIBC_2.0)[6]isxdigit(GLIBC_2.0)[6] 

Table 16-20. libc - Character Type Functions Data Interfaces

__ctype_b(GLIBC_2.0)[3]__ctype_tolower(GLIBC_2.0)[3]__ctype_toupper(GLIBC_2.0)[3]  

Time Manipulation

Table 16-21. libc - Time Manipulation Function Interfaces

adjtime(GLIBC_2.0)[3]asctime_r(GLIBC_2.0)[6]difftime(GLIBC_2.0)[6]localtime(GLIBC_2.0)[6]tzset(GLIBC_2.0)[6]
adjtimex(GLIBC_2.0)[3]ctime(GLIBC_2.0)[6]gmtime(GLIBC_2.0)[6]localtime_r(GLIBC_2.0)[6]ualarm(GLIBC_2.0)[6]
asctime(GLIBC_2.0)[6]ctime_r(GLIBC_2.0)[6]gmtime_r(GLIBC_2.0)[6]mktime(GLIBC_2.0)[6] 

Table 16-22. libc - Time Manipulation Data Interfaces

__daylight(GLIBC_2.0)[3]__tzname(GLIBC_2.0)[3]timezone(GLIBC_2.0)[6]  
__timezone(GLIBC_2.0)[3]daylight(GLIBC_2.0)[6]tzname(GLIBC_2.0)[6]  

Terminal Interface Functions

Table 16-23. libc - Terminal Interface Functions Function Interfaces

cfgetispeed(GLIBC_2.0)[6]cfsetispeed(GLIBC_2.0)[6]tcdrain(GLIBC_2.0)[6]tcgetattr(GLIBC_2.0)[6]tcsendbreak(GLIBC_2.0)[6]
cfgetospeed(GLIBC_2.0)[6]cfsetospeed(GLIBC_2.0)[6]tcflow(GLIBC_2.0)[6]tcgetpgrp(GLIBC_2.0)[6]tcsetattr(GLIBC_2.0)[6]
cfmakeraw(GLIBC_2.0)[3]cfsetspeed(GLIBC_2.0)[3]tcflush(GLIBC_2.0)[6]tcgetsid(GLIBC_2.0)[6]tcsetpgrp(GLIBC_2.0)[6]

System Database Interface

Table 16-24. libc - System Database Interface Function Interfaces

endgrent(GLIBC_2.0)[6]getgrgid(GLIBC_2.0)[6]getprotoent(GLIBC_2.0)[6]getutent(GLIBC_2.0)[3]setmntent(GLIBC_2.0)[3]
endhostent(GLIBC_2.0)[5]getgrgid_r(GLIBC_2.0)[6]getpwent(GLIBC_2.0)[6]getutent_r(GLIBC_2.0)[3]setnetent(GLIBC_2.0)[5]
endnetent(GLIBC_2.0)[5]getgrnam(GLIBC_2.0)[6]getpwnam(GLIBC_2.0)[6]getutxent(GLIBC_2.0)[6]setprotoent(GLIBC_2.0)[5]
endprotoent(GLIBC_2.0)[5]getgrnam_r(GLIBC_2.0)[6]getpwnam_r(GLIBC_2.0)[3]getutxid(GLIBC_2.0)[6]setpwent(GLIBC_2.0)[6]
endpwent(GLIBC_2.0)[6]gethostbyaddr(GLIBC_2.0)[5]getpwuid(GLIBC_2.0)[6]getutxline(GLIBC_2.0)[6]setservent(GLIBC_2.0)[5]
endservent(GLIBC_2.0)[5]gethostbyname(GLIBC_2.0)[3]getpwuid_r(GLIBC_2.0)[6]pututxline(GLIBC_2.0)[6]setutent(GLIBC_2.0)[3]
endutent(GLIBC_2.0)[6]getnetbyaddr(GLIBC_2.0)[5]getservbyname(GLIBC_2.0)[3]setgrent(GLIBC_2.0)[6]setutxent(GLIBC_2.0)[6]
endutxent(GLIBC_2.1)[6]getprotobyname(GLIBC_2.1)[6]getservbyport(GLIBC_2.1)[5]setgroups(GLIBC_2.1)[3] 
getgrent(GLIBC_2.0)[6]getprotobynumber(GLIBC_2.0)[5]getservent(GLIBC_2.0)[3]sethostent(GLIBC_2.0)[5] 

Table 16-25. libc - System Database Interface Deprecated Function Interfaces

endhostent(GLIBC_2.0)[5]sethostent(GLIBC_2.0)[5]setmntent(GLIBC_2.0)[3]  

Language Support

Table 16-26. libc - Language Support Function Interfaces

__divdi3(GLIBC_2.0)[3]__moddi3(GLIBC_2.0)[3]__umoddi3(GLIBC_2.0)[3]_obstack_newchunk(GLIBC_2.0)[3] 
__libc_start_main(GLIBC_2.0)[3]__udivdi3(GLIBC_2.0)[3]_obstack_begin(GLIBC_2.0)[3]obstack_free(GLIBC_2.0)[3] 

Large File Support

Table 16-27. libc - Large File Support Function Interfaces

__fxstat64(GLIBC_2.2)[3]fopen64(GLIBC_2.2)[2]ftello64(GLIBC_2.2)[2]mkstemp64(GLIBC_2.2)[2]readdir64(GLIBC_2.2)[2]
__lxstat64(GLIBC_2.2)[3]freopen64(GLIBC_2.2)[2]ftruncate64(GLIBC_2.2)[2]mmap64(GLIBC_2.2)[2]statfs64(GLIBC_2.2)[3]
__xstat64(GLIBC_2.2)[3]fseeko64(GLIBC_2.2)[2]ftw64(GLIBC_2.2)[2]nftw64(GLIBC_2.2)[2]statvfs64(GLIBC_2.2)[2]
alphasort64(GLIBC_2.1)[3]fsetpos64(GLIBC_2.1)[2]getrlimit64(GLIBC_2.1)[2]open64(GLIBC_2.1)[2]tmpfile64(GLIBC_2.1)[2]
creat64(GLIBC_2.1)[2]fstatfs64(GLIBC_2.1)[3]lockf64(GLIBC_2.1)[2]pread64(GLIBC_2.1)[2]truncate64(GLIBC_2.1)[2]
fgetpos64(GLIBC_2.1)[2]fstatvfs64(GLIBC_2.1)[2]lseek64(GLIBC_2.1)[2]pwrite64(GLIBC_2.1)[2] 

Table 16-28. libc - Large File Support Deprecated Function Interfaces

alphasort64(GLIBC_2.1)[3]fstatfs64(GLIBC_2.1)[3]statfs64(GLIBC_2.1)[3]  

Standard Library

Table 16-29. libc - Standard Library Function Interfaces

_Exit(GLIBC_2.1.1)[1]div(GLIBC_2.1.1)[6]globfree64(GLIBC_2.1.1)[3]llabs(GLIBC_2.1.1)[1]setlogmask(GLIBC_2.1.1)[6]
__assert_fail(GLIBC_2.0)[3]drand48(GLIBC_2.0)[6]grantpt(GLIBC_2.0)[6]lldiv(GLIBC_2.0)[1]setstate(GLIBC_2.0)[6]
__cxa_atexit(GLIBC_2.1.3)[3]ecvt(GLIBC_2.1.3)[6]hcreate(GLIBC_2.1.3)[6]longjmp(GLIBC_2.1.3)[6]srand(GLIBC_2.1.3)[6]
__errno_location(GLIBC_2.0)[3]erand48(GLIBC_2.0)[6]hdestroy(GLIBC_2.0)[6]lrand48(GLIBC_2.0)[6]srand48(GLIBC_2.0)[6]
__fpending(GLIBC_2.2)[3]err(GLIBC_2.2)[3]hsearch(GLIBC_2.2)[6]lsearch(GLIBC_2.2)[6]srandom(GLIBC_2.2)[6]
__getpagesize(GLIBC_2.0)[3]error(GLIBC_2.0)[3]htonl(GLIBC_2.0)[5]makecontext(GLIBC_2.0)[6]strtod(GLIBC_2.0)[6]
__isinf(GLIBC_2.0)[3]errx(GLIBC_2.0)[3]htons(GLIBC_2.0)[5]malloc(GLIBC_2.0)[6]strtol(GLIBC_2.0)[6]
__isinff(GLIBC_2.0)[3]fcvt(GLIBC_2.0)[6]imaxabs(GLIBC_2.0)[1]memmem(GLIBC_2.0)[3]strtoul(GLIBC_2.0)[6]
__isinfl(GLIBC_2.0)[3]fmtmsg(GLIBC_2.0)[6]imaxdiv(GLIBC_2.0)[1]mkstemp(GLIBC_2.0)[6]swapcontext(GLIBC_2.0)[6]
__isnan(GLIBC_2.0)[3]fnmatch(GLIBC_2.0)[6]inet_addr(GLIBC_2.0)[5]mktemp(GLIBC_2.0)[6]syslog(GLIBC_2.0)[6]
__isnanf(GLIBC_2.0)[3]fpathconf(GLIBC_2.0)[6]inet_aton(GLIBC_2.0)[5]mrand48(GLIBC_2.0)[6]system(GLIBC_2.0)[3]
__isnanl(GLIBC_2.0)[3]free(GLIBC_2.0)[6]inet_ntoa(GLIBC_2.0)[5]nftw(GLIBC_2.0)[6]tfind(GLIBC_2.0)[6]
__sysconf(GLIBC_2.2)[3]freeaddrinfo(GLIBC_2.2)[7]inet_ntop(GLIBC_2.2)[7]nrand48(GLIBC_2.2)[6]tmpfile(GLIBC_2.2)[6]
_exit(GLIBC_2.0)[6]ftrylockfile(GLIBC_2.0)[6]inet_pton(GLIBC_2.0)[7]ntohl(GLIBC_2.0)[5]tmpnam(GLIBC_2.0)[6]
_longjmp(GLIBC_2.0)[6]ftw(GLIBC_2.0)[6]initstate(GLIBC_2.0)[6]ntohs(GLIBC_2.0)[5]tsearch(GLIBC_2.0)[6]
_setjmp(GLIBC_2.0)[6]funlockfile(GLIBC_2.0)[6]insque(GLIBC_2.0)[6]openlog(GLIBC_2.0)[6]ttyname(GLIBC_2.0)[6]
a64l(GLIBC_2.0)[6]gai_strerror(GLIBC_2.0)[7]ioperm(GLIBC_2.0)[3]perror(GLIBC_2.0)[6]ttyname_r(GLIBC_2.0)[6]
abort(GLIBC_2.0)[6]gcvt(GLIBC_2.0)[6]iopl(GLIBC_2.0)[3]posix_memalign(GLIBC_2.0)[4]twalk(GLIBC_2.0)[6]
abs(GLIBC_2.0)[6]getaddrinfo(GLIBC_2.0)[7]isatty(GLIBC_2.0)[6]ptsname(GLIBC_2.0)[6]unlockpt(GLIBC_2.0)[6]
atexit(GLIBC_2.0)[6]getcwd(GLIBC_2.0)[6]isblank(GLIBC_2.0)[7]putenv(GLIBC_2.0)[6]unsetenv(GLIBC_2.0)[3]
atof(GLIBC_2.0)[6]getdate(GLIBC_2.0)[6]isinf(GLIBC_2.0)[1]qsort(GLIBC_2.0)[6]usleep(GLIBC_2.0)[6]
atoi(GLIBC_2.0)[6]getenv(GLIBC_2.0)[6]isinff(GLIBC_2.0)rand(GLIBC_2.0)[6]verrx(GLIBC_2.0)[3]
atol(GLIBC_2.0)[6]getlogin(GLIBC_2.0)[6]isinfl(GLIBC_2.0)[1]rand_r(GLIBC_2.0)[6]vfscanf(GLIBC_2.0)[1]
atoll(GLIBC_2.0)[1]getnameinfo(GLIBC_2.0)[7]isnan(GLIBC_2.0)[1]random(GLIBC_2.0)[6]vscanf(GLIBC_2.0)[1]
basename(GLIBC_2.0)[6]getopt(GLIBC_2.0)[3]isnanf(GLIBC_2.0)[1]random_r(GLIBC_2.0)[3]vsscanf(GLIBC_2.0)[1]
bsearch(GLIBC_2.0)[6]getopt_long(GLIBC_2.0)[3]isnanl(GLIBC_2.0)[1]realloc(GLIBC_2.0)[6]vsyslog(GLIBC_2.0)[3]
calloc(GLIBC_2.0)[6]getopt_long_only(GLIBC_2.0)[3]jrand48(GLIBC_2.0)[6]realpath(GLIBC_2.0)[6]warn(GLIBC_2.0)[3]
closelog(GLIBC_2.0)[6]getsubopt(GLIBC_2.0)[6]l64a(GLIBC_2.0)[6]remque(GLIBC_2.0)[6]warnx(GLIBC_2.0)[3]
confstr(GLIBC_2.0)[6]gettimeofday(GLIBC_2.0)[6]labs(GLIBC_2.0)[6]seed48(GLIBC_2.0)[6]wordexp(GLIBC_2.0)[6]
cuserid(GLIBC_2.0)[6]glob(GLIBC_2.0)[6]lcong48(GLIBC_2.0)[6]setenv(GLIBC_2.0)[3]wordfree(GLIBC_2.0)[6]
daemon(GLIBC_2.0)[3]glob64(GLIBC_2.0)[3]ldiv(GLIBC_2.0)[6]sethostid(GLIBC_2.0)[3] 
dirname(GLIBC_2.0)[6]globfree(GLIBC_2.0)[6]lfind(GLIBC_2.0)[6]sethostname(GLIBC_2.0)[3] 

Table 16-30. libc - Standard Library Data Interfaces

__environ(GLIBC_2.0)[3]_sys_errlist(GLIBC_2.0)[3]getdate_err(GLIBC_2.0)[6]opterr(GLIBC_2.0)[3]optopt(GLIBC_2.0)[3]
_environ(GLIBC_2.0)[3]environ(GLIBC_2.0)[6]optarg(GLIBC_2.0)[6]optind(GLIBC_2.0)[3] 

Data Definitions for libc

This section contains standard data definitions that describe system data. These definitions are organized into groups that correspond to system headers. This convention is used as a convenience for the reader, and does not imply the existence of these headers, or their content.

ISO C serves as the LSB reference programming language, and data definitions are specified in ISO C format. The C language is used here as a convenient notation. Using a C language description of these data objects does not preclude their use by other programming languages.


errno.h




#define EDEADLOCK	EDEADLK

inttypes.h






typedef long long intmax_t;
typedef unsigned int uintptr_t;
typedef unsigned long long uintmax_t;

limits.h


#define LONG_MAX	0x7FFFFFFFL
#define ULONG_MAX	0xFFFFFFFFUL






#define CHAR_MAX	SCHAR_MAX
#define CHAR_MIN	SCHAR_MIN

setjmp.h






typedef int __jmp_buf[6];

signal.h
























struct sigaction
{
  union
  {
    __sighandler_t _sa_handler;
    void (*_sa_sigaction) (int, siginfo_t *, void *);
  }
  __sigaction_handler;
  sigset_t sa_mask;
  unsigned long sa_flags;
  void (*sa_restorer) (void);
}
 ;





struct _fpreg
{
  unsigned short significand[4];
  unsigned short exponent;
}
 ;
struct _fpxreg
{
  unsigned short significand[4];
  unsigned short exponent;
  unsigned short padding[3];
}
 ;
struct _xmmreg
{
  unsigned long element[4];
}
 ;


struct _fpstate
{
  unsigned long cw;
  unsigned long sw;
  unsigned long tag;
  unsigned long ipoff;
  unsigned long cssel;
  unsigned long dataoff;
  unsigned long datasel;
  struct _fpreg _st[8];
  unsigned short status;
  unsigned short magic;
  unsigned long _fxsr_env[6];
  unsigned long mxcsr;
  unsigned long reserved;
  struct _fpxreg _fxsr_st[8];
  struct _xmmreg _xmm[8];
  unsigned long padding[56];
}
 ;


struct sigcontext
{
  unsigned short gs;
  unsigned short __gsh;
  unsigned short fs;
  unsigned short __fsh;
  unsigned short es;
  unsigned short __esh;
  unsigned short ds;
  unsigned short __dsh;
  unsigned long edi;
  unsigned long esi;
  unsigned long ebp;
  unsigned long esp;
  unsigned long ebx;
  unsigned long edx;
  unsigned long ecx;
  unsigned long eax;
  unsigned long trapno;
  unsigned long err;
  unsigned long eip;
  unsigned short cs;
  unsigned short __csh;
  unsigned long eflags;
  unsigned long esp_at_signal;
  unsigned short ss;
  unsigned short __ssh;
  struct _fpstate *fpstate;
  unsigned long oldmask;
  unsigned long cr2;
}
 ;

stddef.h



typedef unsigned int size_t;
typedef int ptrdiff_t;

sys/ioctl.h


#define FIONREAD	0x541B
#define TIOCNOTTY	0x5422

sys/ipc.h



struct ipc_perm
{
  key_t __key;
  uid_t uid;
  gid_t gid;
  uid_t cuid;
  gid_t cgid;
  unsigned short mode;
  unsigned short __pad1;
  unsigned short __seq;
  unsigned short __pad2;
  unsigned long __unused1;
  unsigned long __unused2;
}
 ;

sys/mman.h


#define MCL_CURRENT	1
#define MCL_FUTURE	2

sys/msg.h






typedef unsigned long msgqnum_t;
typedef unsigned long msglen_t;


struct msqid_ds
{
  struct ipc_perm msg_perm;
  time_t msg_stime;
  unsigned long __unused1;
  time_t msg_rtime;
  unsigned long __unused2;
  time_t msg_ctime;
  unsigned long __unused3;
  unsigned long __msg_cbytes;
  msgqnum_t msg_qnum;
  msglen_t msg_qbytes;
  pid_t msg_lspid;
  pid_t msg_lrpid;
  unsigned long __unused4;
  unsigned long __unused5;
}
 ;

sys/sem.h



struct semid_ds
{
  struct ipc_perm sem_perm;
  time_t sem_otime;
  unsigned long __unused1;
  time_t sem_ctime;
  unsigned long __unused2;
  unsigned long sem_nsems;
  unsigned long __unused3;
  unsigned long __unused4;
}
 ;

sys/shm.h


#define SHMLBA	(__getpagesize())





typedef unsigned long shmatt_t;


struct shmid_ds
{
  struct ipc_perm shm_perm;
  int shm_segsz;
  time_t shm_atime;
  unsigned long __unused1;
  time_t shm_dtime;
  unsigned long __unused2;
  time_t shm_ctime;
  unsigned long __unused3;
  pid_t shm_cpid;
  pid_t shm_lpid;
  shmatt_t shm_nattch;
  unsigned long __unused4;
  unsigned long __unused5;
}
 ;

sys/stat.h


#define _STAT_VER	3


struct stat
{
  dev_t st_dev;
  unsigned short __pad1;
  unsigned long st_ino;
  mode_t st_mode;
  nlink_t st_nlink;
  pid_t st_uid;
  gid_t st_gid;
  dev_t st_rdev;
  unsigned short __pad2;
  off_t st_size;
  blksize_t st_blksize;
  blkcnt_t st_blocks;
  time_t st_atime;
  unsigned long __unused1;
  time_t st_mtime;
  unsigned long __unused2;
  time_t st_ctime;
  unsigned long __unused3;
  unsigned long __unused4;
  unsigned long __unused5;
}
 ;
struct stat64
{
  dev_t st_dev;
  unsigned int __pad1;
  ino_t __st_ino;
  mode_t st_mode;
  nlink_t st_nlink;
  uid_t st_uid;
  gid_t st_gid;
  dev_t st_rdev;
  unsigned int __pad2;
  off64_t st_size;
  blksize_t st_blksize;
  blkcnt64_t st_blocks;
  time_t st_atime;
  unsigned long __unused1;
  time_t st_mtime;
  unsigned long __unused2;
  time_t st_ctime;
  unsigned long __unused3;
  ino64_t st_ino;
}
 ;

sys/statvfs.h



struct statvfs
{
  unsigned long f_bsize;
  unsigned long f_frsize;
  fsblkcnt_t f_blocks;
  fsblkcnt_t f_bfree;
  fsblkcnt_t f_bavail;
  fsfilcnt_t f_files;
  fsfilcnt_t f_ffree;
  fsfilcnt_t f_favail;
  unsigned long f_fsid;
  int __f_unused;
  unsigned long f_flag;
  unsigned long f_namemax;
  int __f_spare[6];
}
 ;
struct statvfs64
{
  unsigned long f_bsize;
  unsigned long f_frsize;
  fsblkcnt64_t f_blocks;
  fsblkcnt64_t f_bfree;
  fsblkcnt64_t f_bavail;
  fsfilcnt64_t f_files;
  fsfilcnt64_t f_ffree;
  fsfilcnt64_t f_favail;
  unsigned long f_fsid;
  int __f_unused;
  unsigned long f_flag;
  unsigned long f_namemax;
  int __f_spare[6];
}
 ;

sys/types.h



typedef int ssize_t;

termios.h


#define OLCUC	0000002
#define ONLCR	0000004
#define XCASE	0000004
#define NLDLY	0000400
#define CR1	0001000
#define IUCLC	0001000
#define CR2	0002000
#define CR3	0003000
#define CRDLY	0003000
#define TAB1	0004000
#define TAB2	0010000
#define TAB3	0014000
#define TABDLY	0014000
#define BS1	0020000
#define BSDLY	0020000
#define VT1	0040000
#define VTDLY	0040000
#define FF1	0100000
#define FFDLY	0100000









#define VSUSP	10
#define VEOL	11
#define VREPRINT	12
#define VDISCARD	13
#define VWERASE	14
#define VEOL2	16
#define VMIN	6
#define VSWTC	7
#define VSTART	8
#define VSTOP	9



#define IXON	0002000
#define IXOFF	0010000






#define CS6	0000020
#define CS7	0000040
#define CS8	0000060
#define CSIZE	0000060
#define CSTOPB	0000100
#define CREAD	0000200
#define PARENB	0000400
#define PARODD	0001000
#define HUPCL	0002000
#define CLOCAL	0004000
#define VTIME	5



#define ISIG	0000001
#define ICANON	0000002
#define ECHOE	0000020
#define ECHOK	0000040
#define ECHONL	0000100
#define NOFLSH	0000200
#define TOSTOP	0000400
#define ECHOCTL	0001000
#define ECHOPRT	0002000
#define ECHOKE	0004000
#define FLUSHO	0010000
#define PENDIN	0040000
#define IEXTEN	0100000

ucontext.h






typedef int greg_t;
#define NGREG	19





typedef greg_t gregset_t[19];





struct _libc_fpreg
{
  unsigned short significand[4];
  unsigned short exponent;
}
 ;





struct _libc_fpstate
{
  unsigned long cw;
  unsigned long sw;
  unsigned long tag;
  unsigned long ipoff;
  unsigned long cssel;
  unsigned long dataoff;
  unsigned long datasel;
  struct _libc_fpreg _st[8];
  unsigned long status;
}
 ;
typedef struct _libc_fpstate *fpregset_t;


typedef struct
{
  gregset_t gregs;
  fpregset_t fpregs;
  unsigned long oldmask;
  unsigned long cr2;
}
mcontext_t;


typedef struct ucontext
{
  unsigned long uc_flags;
  struct ucontext *uc_link;
  stack_t uc_stack;
  mcontext_t uc_mcontext;
  sigset_t uc_sigmask;
  struct _libc_fpstate __fpregs_mem;
}
ucontext_t;

unistd.h



typedef int intptr_t;

Interfaces Definitions for libc

Table of Contents
__divdi3 -- mathematic operation
ioperm -- set port input/output permissions
iopl -- change I/O privilege level

__divdi3

Name

__divdi3 -- mathematic operation

Synopsis

DItype
__divdi3(DItype u, DItype v);

Description

__divdi3() divides two DItypes(unsigned ints).

__divdi3 is not in the source standard; it is only in the binary standard.

ioperm

Name

ioperm -- set port input/output permissions

Synopsis

#include <unistd.h> /* for libc5 */
#include <sys/io.h> /* for glibc */

int ioperm(unsigned long from, unsigned long num, int turn_on);

Description

ioperm sets the port access permission bits for the process for num bytes starting from port address from to the value turn_on. The use of ioperm requires root privileges.

Only the first 0x3ff I/O ports can be specified in this manner. For more ports, the iopl function must be used. Permissions are not inherited on fork, but on exec they are. This is useful for giving port access permissions to non-privileged tasks.

Return Value

On success, zero is returned. On error, -1 is returned, and errno is set appropriately.

Notes

Libc5 treats it as a system call and has a prototype in <unistd.h>. Glibc1 does not have a prototype. Glibc2 has a prototype both in <sys/io.h> and in <sys/perm.h>. Avoid the latter, it is available on i386 only.

iopl

Name

iopl -- change I/O privilege level

Synopsis

#include <unistd.h> /* for libc5 */
#include <sys/io.h> /* for glibc */

int iopl(int level);

Description

iopl changes the I/O privilege level of the current process, as specified in level.

This call is necessary to allow 8514-compatible X servers to run under Linux. Since these X servers require access to all 65536 I/O ports, the ioperm call is not sufficient.

In addition to granting unrestricted I/O port access, running at a higher I/O privilege level also allows the process to disable interrupts. This will probably crash the system, and is not recommended.

Permissions are inherited by fork and exec.

The I/O privilege level for a normal process is 0.

Return Value

On success, zero is returned. On error, -1 is returned, and errno is set appropriately.

Errors

EINVAL

level is greater than 3.

EPERM

The current user is not the super-user.

Notes from the Kernel Source

iopl has to be used when you want to access the I/O ports beyond the 0x3ff range: to get the full 65536 ports bitmapped you'd need 8kB of bitmaps/process, which is a bit excessive.

Notes

Libc5 treats it as a system call and has a prototype in <unistd.h>. Glibc1 does not have a prototype. Glibc2 has a prototype both in <sys/io.h> and in <sys/perm.h>. Avoid the latter, it is available on i386 only.


Interfaces for libm

Table 16-31. libm Definition

Library:libm
SONAME:libm.so.6

The behavior of the interfaces in this library is specified by the following standards.

ISO/IEC 9899: 1999, Programming Languages --C[10]
CAE Specification, January 1997, System Interfaces and Headers (XSH),Issue 5 (ISBN: 1-85912-181-0, C606)[11]


Math

Table 16-32. libm - Math Function Interfaces

acos(GLIBC_2.0)[11]cexp(GLIBC_2.0)[10]expf(GLIBC_2.0)[10]jnf(GLIBC_2.0)[10]remquof(GLIBC_2.0)[10]
acosf(GLIBC_2.0)[10]cexpf(GLIBC_2.0)[10]expl(GLIBC_2.0)[10]jnl(GLIBC_2.0)[10]remquol(GLIBC_2.0)[10]
acosh(GLIBC_2.0)[11]cexpl(GLIBC_2.0)[10]expm1(GLIBC_2.0)[11]ldexp(GLIBC_2.0)[11]rint(GLIBC_2.0)[11]
acoshf(GLIBC_2.0)[10]cimag(GLIBC_2.0)[10]fabs(GLIBC_2.0)[11]ldexpf(GLIBC_2.0)[10]rintf(GLIBC_2.0)[10]
acoshl(GLIBC_2.0)[10]cimagf(GLIBC_2.0)[10]fabsf(GLIBC_2.0)[10]ldexpl(GLIBC_2.0)[10]rintl(GLIBC_2.0)[10]
acosl(GLIBC_2.0)[10]cimagl(GLIBC_2.0)[10]fabsl(GLIBC_2.0)[10]lgamma(GLIBC_2.0)[11]round(GLIBC_2.0)[10]
asin(GLIBC_2.0)[11]clog(GLIBC_2.0)[10]fdim(GLIBC_2.0)[10]lgamma_r(GLIBC_2.0)[10]roundf(GLIBC_2.0)[10]
asinf(GLIBC_2.0)[10]clog10(GLIBC_2.0)[10]fdimf(GLIBC_2.0)[10]lgammaf(GLIBC_2.0)[10]roundl(GLIBC_2.0)[10]
asinh(GLIBC_2.0)[11]clog10f(GLIBC_2.0)[10]fdiml(GLIBC_2.0)[10]lgammaf_r(GLIBC_2.0)[10]scalb(GLIBC_2.0)[11]
asinhf(GLIBC_2.0)[10]clog10l(GLIBC_2.0)[10]feclearexcept(GLIBC_2.0)[10]lgammal(GLIBC_2.0)[10]scalbf(GLIBC_2.0)[10]
asinhl(GLIBC_2.0)[10]clogf(GLIBC_2.0)[10]fegetenv(GLIBC_2.0)[10]lgammal_r(GLIBC_2.0)[10]scalbl(GLIBC_2.0)[10]
asinl(GLIBC_2.0)[10]clogl(GLIBC_2.0)[10]fegetexceptflag(GLIBC_2.0)[10]llrint(GLIBC_2.0)[10]scalbln(GLIBC_2.0)[10]
atan(GLIBC_2.0)[11]conj(GLIBC_2.0)[10]fegetround(GLIBC_2.0)[10]llrintf(GLIBC_2.0)[10]scalblnf(GLIBC_2.0)[10]
atan2(GLIBC_2.0)[11]conjf(GLIBC_2.0)[10]feholdexcept(GLIBC_2.0)[10]llrintl(GLIBC_2.0)[10]scalblnl(GLIBC_2.0)[10]
atan2f(GLIBC_2.0)[10]conjl(GLIBC_2.0)[10]feraiseexcept(GLIBC_2.0)[10]llround(GLIBC_2.0)[10]scalbn(GLIBC_2.0)[10]
atan2l(GLIBC_2.0)[10]copysign(GLIBC_2.0)[10]fesetenv(GLIBC_2.0)[10]llroundf(GLIBC_2.0)[10]scalbnf(GLIBC_2.0)[10]
atanf(GLIBC_2.0)[10]copysignf(GLIBC_2.0)[10]fesetexceptflag(GLIBC_2.0)[10]llroundl(GLIBC_2.0)[10]scalbnl(GLIBC_2.0)[10]
atanh(GLIBC_2.0)[11]copysignl(GLIBC_2.0)[10]fesetround(GLIBC_2.0)[10]log(GLIBC_2.0)[11]significand(GLIBC_2.0)[10]
atanhf(GLIBC_2.0)[10]cos(GLIBC_2.0)[11]fetestexcept(GLIBC_2.0)[10]log10(GLIBC_2.0)[11]significandf(GLIBC_2.0)[10]
atanhl(GLIBC_2.0)[10]cosf(GLIBC_2.0)[10]feupdateenv(GLIBC_2.0)[10]log10f(GLIBC_2.0)[10]significandl(GLIBC_2.0)[10]
atanl(GLIBC_2.0)[10]cosh(GLIBC_2.0)[11]finite(GLIBC_2.0)[11]log10l(GLIBC_2.0)[10]sin(GLIBC_2.0)[11]
cabs(GLIBC_2.1)[11]coshf(GLIBC_2.1)[10]finitef(GLIBC_2.1)[10]log1p(GLIBC_2.1)[11]sincos(GLIBC_2.1)[10]
cabsf(GLIBC_2.1)[10]coshl(GLIBC_2.1)[10]finitel(GLIBC_2.1)[10]logb(GLIBC_2.1)[11]sincosf(GLIBC_2.1)[10]
cabsl(GLIBC_2.1)[10]cosl(GLIBC_2.1)[10]floor(GLIBC_2.1)[11]logf(GLIBC_2.1)[10]sincosl(GLIBC_2.1)[10]
cacos(GLIBC_2.1)[10]cpow(GLIBC_2.1)[10]floorf(GLIBC_2.1)[10]logl(GLIBC_2.1)[10]sinf(GLIBC_2.1)[10]
cacosf(GLIBC_2.1)[10]cpowf(GLIBC_2.1)[10]floorl(GLIBC_2.1)[10]lrint(GLIBC_2.1)[10]sinh(GLIBC_2.1)[11]
cacosh(GLIBC_2.1)[10]cpowl(GLIBC_2.1)[10]fma(GLIBC_2.1)[10]lrintf(GLIBC_2.1)[10]sinhf(GLIBC_2.1)[10]
cacoshf(GLIBC_2.1)[10]cproj(GLIBC_2.1)[10]fmaf(GLIBC_2.1)[10]lrintl(GLIBC_2.1)[10]sinhl(GLIBC_2.1)[10]
cacoshl(GLIBC_2.1)[10]cprojf(GLIBC_2.1)[10]fmal(GLIBC_2.1)[10]lround(GLIBC_2.1)[10]sinl(GLIBC_2.1)[10]
cacosl(GLIBC_2.1)[10]cprojl(GLIBC_2.1)[10]fmax(GLIBC_2.1)[10]lroundf(GLIBC_2.1)[10]sqrt(GLIBC_2.1)[11]
carg(GLIBC_2.1)[10]creal(GLIBC_2.1)[10]fmaxf(GLIBC_2.1)[10]lroundl(GLIBC_2.1)[10]sqrtf(GLIBC_2.1)[10]
cargf(GLIBC_2.1)[10]crealf(GLIBC_2.1)[10]fmaxl(GLIBC_2.1)[10]matherr(GLIBC_2.1)[10]sqrtl(GLIBC_2.1)[10]
cargl(GLIBC_2.1)[10]creall(GLIBC_2.1)[10]fmin(GLIBC_2.1)[10]modf(GLIBC_2.1)[11]tan(GLIBC_2.1)[11]
casin(GLIBC_2.1)[10]csin(GLIBC_2.1)[10]fminf(GLIBC_2.1)[10]modff(GLIBC_2.1)[10]tanf(GLIBC_2.1)[10]
casinf(GLIBC_2.1)[10]csinf(GLIBC_2.1)[10]fminl(GLIBC_2.1)[10]modfl(GLIBC_2.1)[10]tanh(GLIBC_2.1)[11]
casinh(GLIBC_2.1)[10]csinh(GLIBC_2.1)[10]fmod(GLIBC_2.1)[11]nan(GLIBC_2.1)[10]tanhf(GLIBC_2.1)[10]
casinhf(GLIBC_2.1)[10]csinhf(GLIBC_2.1)[10]fmodf(GLIBC_2.1)[10]nanf(GLIBC_2.1)[10]tanhl(GLIBC_2.1)[10]
casinhl(GLIBC_2.1)[10]csinhl(GLIBC_2.1)[10]fmodl(GLIBC_2.1)[10]nanl(GLIBC_2.1)[10]tanl(GLIBC_2.1)[10]
casinl(GLIBC_2.1)[10]csinl(GLIBC_2.1)[10]frexp(GLIBC_2.1)[11]nearbyint(GLIBC_2.1)[10]tgamma(GLIBC_2.1)[10]
catan(GLIBC_2.1)[10]csqrt(GLIBC_2.1)[10]frexpf(GLIBC_2.1)[10]nearbyintf(GLIBC_2.1)[10]tgammaf(GLIBC_2.1)[10]
catanf(GLIBC_2.1)[10]csqrtf(GLIBC_2.1)[10]frexpl(GLIBC_2.1)[10]nearbyintl(GLIBC_2.1)[10]tgammal(GLIBC_2.1)[10]
catanh(GLIBC_2.1)[10]csqrtl(GLIBC_2.1)[10]gamma(GLIBC_2.1)[11]nextafter(GLIBC_2.1)[11]trunc(GLIBC_2.1)[10]
catanhf(GLIBC_2.1)[10]ctan(GLIBC_2.1)[10]gammaf(GLIBC_2.1)[10]nextafterf(GLIBC_2.1)[10]truncf(GLIBC_2.1)[10]
catanhl(GLIBC_2.1)[10]ctanf(GLIBC_2.1)[10]gammal(GLIBC_2.1)[10]nextafterl(GLIBC_2.1)[10]truncl(GLIBC_2.1)[10]
catanl(GLIBC_2.1)[10]ctanh(GLIBC_2.1)[10]hypot(GLIBC_2.1)[11]nexttoward(GLIBC_2.1)[10]y0(GLIBC_2.1)[11]
cbrt(GLIBC_2.0)[11]ctanhf(GLIBC_2.0)[10]hypotf(GLIBC_2.0)[10]nexttowardf(GLIBC_2.0)[10]y0f(GLIBC_2.0)[10]
cbrtf(GLIBC_2.0)[10]ctanhl(GLIBC_2.0)[10]hypotl(GLIBC_2.0)[10]nexttowardl(GLIBC_2.0)[10]y0l(GLIBC_2.0)[10]
cbrtl(GLIBC_2.0)[10]ctanl(GLIBC_2.0)[10]ilogb(GLIBC_2.0)[11]pow(GLIBC_2.0)[10]y1(GLIBC_2.0)[11]
ccos(GLIBC_2.1)[10]dremf(GLIBC_2.1)[10]ilogbf(GLIBC_2.1)[10]pow10(GLIBC_2.1)[10]y1f(GLIBC_2.1)[10]
ccosf(GLIBC_2.1)[10]dreml(GLIBC_2.1)[10]ilogbl(GLIBC_2.1)[10]pow10f(GLIBC_2.1)[10]y1l(GLIBC_2.1)[10]
ccosh(GLIBC_2.1)[10]erf(GLIBC_2.1)[11]j0(GLIBC_2.1)[11]pow10l(GLIBC_2.1)[10]yn(GLIBC_2.1)[11]
ccoshf(GLIBC_2.1)[10]erfc(GLIBC_2.1)[11]j0f(GLIBC_2.1)[10]powf(GLIBC_2.1)[10]ynf(GLIBC_2.1)[10]
ccoshl(GLIBC_2.1)[10]erfcf(GLIBC_2.1)[10]j0l(GLIBC_2.1)[10]powl(GLIBC_2.1)[10]ynl(GLIBC_2.1)[10]
ccosl(GLIBC_2.1)[10]erfcl(GLIBC_2.1)[10]j1(GLIBC_2.1)[11]remainder(GLIBC_2.1)[11] 
ceil(GLIBC_2.0)[11]erff(GLIBC_2.0)[10]j1f(GLIBC_2.0)[10]remainderf(GLIBC_2.0)[10] 
ceilf(GLIBC_2.0)[10]erfl(GLIBC_2.0)[10]j1l(GLIBC_2.0)[10]remainderl(GLIBC_2.0)[10] 
ceill(GLIBC_2.0)[10]exp(GLIBC_2.0)[11]jn(GLIBC_2.0)[11]remquo(GLIBC_2.0)[10] 

Table 16-33. libm - Math Data Interfaces

signgam(GLIBC_2.0)[11]    

Data Definitions for libm

This section contains standard data definitions that describe system data. These definitions are organized into groups that correspond to system headers. This convention is used as a convenience for the reader, and does not imply the existence of these headers, or their content.

ISO C serves as the LSB reference programming language, and data definitions are specified in ISO C format. The C language is used here as a convenient notation. Using a C language description of these data objects does not preclude their use by other programming languages.


Interfaces for libpthread

Table 16-34. libpthread Definition

Library:libpthread
SONAME:libpthread.so.0

The behavior of the interfaces in this library is specified by the following standards.

Linux Standard Base[12]
CAE Specification, January 1997, System Interfaces and Headers (XSH),Issue 5 (ISBN: 1-85912-181-0, C606)[13]


Posix Threads

Table 16-35. libpthread - Posix Threads Function Interfaces

pthread_attr_destroy(GLIBC_2.0)[13]pthread_attr_setstackaddr(GLIBC_2.0)[13]pthread_getspecific(GLIBC_2.0)[13]pthread_once(GLIBC_2.0)[13]pthread_setcanceltype(GLIBC_2.0)[13]
pthread_attr_getdetachstate(GLIBC_2.0)[13]pthread_attr_setstacksize(GLIBC_2.0)[13]pthread_join(GLIBC_2.0)[13]pthread_rwlock_destroy(GLIBC_2.0)[13]pthread_setconcurrency(GLIBC_2.0)[13]
pthread_attr_getguardsize(GLIBC_2.1)[13]pthread_cancel(GLIBC_2.1)[13]pthread_key_create(GLIBC_2.1)[13]pthread_rwlock_init(GLIBC_2.1)[13]pthread_setschedparam(GLIBC_2.1)[13]
pthread_attr_getinheritsched(GLIBC_2.0)[13]pthread_cond_broadcast(GLIBC_2.0)[13]pthread_key_delete(GLIBC_2.0)[13]pthread_rwlock_rdlock(GLIBC_2.0)[13]pthread_setspecific(GLIBC_2.0)[13]
pthread_attr_getschedparam(GLIBC_2.0)[13]pthread_cond_destroy(GLIBC_2.0)[13]pthread_kill(GLIBC_2.0)[13]pthread_rwlock_timedrdlock(GLIBC_2.0)[13]pthread_sigmask(GLIBC_2.0)[13]
pthread_attr_getschedpolicy(GLIBC_2.0)[13]pthread_cond_init(GLIBC_2.0)[13]pthread_mutex_destroy(GLIBC_2.0)[13]pthread_rwlock_timedwrlock(GLIBC_2.0)[13]pthread_testcancel(GLIBC_2.0)[13]
pthread_attr_getscope(GLIBC_2.0)[13]pthread_cond_signal(GLIBC_2.0)[13]pthread_mutex_init(GLIBC_2.0)[13]pthread_rwlock_tryrdlock(GLIBC_2.0)[13]sem_close(GLIBC_2.0)[13]
pthread_attr_getstackaddr(GLIBC_2.1)[13]pthread_cond_timedwait(GLIBC_2.1)[13]pthread_mutex_lock(GLIBC_2.1)[13]pthread_rwlock_trywrlock(GLIBC_2.1)[13]sem_destroy(GLIBC_2.1)[13]
pthread_attr_getstacksize(GLIBC_2.1)[13]pthread_cond_wait(GLIBC_2.1)[13]pthread_mutex_trylock(GLIBC_2.1)[13]pthread_rwlock_unlock(GLIBC_2.1)[13]sem_getvalue(GLIBC_2.1)[13]
pthread_attr_init(GLIBC_2.1)[13]pthread_condattr_destroy(GLIBC_2.1)[13]pthread_mutex_unlock(GLIBC_2.1)[13]pthread_rwlock_wrlock(GLIBC_2.1)[13]sem_init(GLIBC_2.1)[13]
pthread_attr_setdetachstate(GLIBC_2.0)[13]pthread_condattr_init(GLIBC_2.0)[13]pthread_mutexattr_destroy(GLIBC_2.0)[13]pthread_rwlockattr_destroy(GLIBC_2.0)[13]sem_open(GLIBC_2.0)[13]
pthread_attr_setguardsize(GLIBC_2.1)[13]pthread_create(GLIBC_2.1)[13]pthread_mutexattr_getpshared(GLIBC_2.1)[13]pthread_rwlockattr_getpshared(GLIBC_2.1)[13]sem_post(GLIBC_2.1)[13]
pthread_attr_setinheritsched(GLIBC_2.0)[13]pthread_detach(GLIBC_2.0)[13]pthread_mutexattr_gettype(GLIBC_2.0)[13]pthread_rwlockattr_init(GLIBC_2.0)[13]sem_timedwait(GLIBC_2.0)[12]
pthread_attr_setschedparam(GLIBC_2.0)[13]pthread_equal(GLIBC_2.0)[13]pthread_mutexattr_init(GLIBC_2.0)[13]pthread_rwlockattr_setpshared(GLIBC_2.0)[13]sem_trywait(GLIBC_2.0)[13]
pthread_attr_setschedpolicy(GLIBC_2.0)[13]pthread_exit(GLIBC_2.0)[13]pthread_mutexattr_setpshared(GLIBC_2.0)[13]pthread_self(GLIBC_2.0)[13]sem_unlink(GLIBC_2.0)[13]
pthread_attr_setscope(GLIBC_2.0)[13]pthread_getschedparam(GLIBC_2.0)[13]pthread_mutexattr_settype(GLIBC_2.0)[13]pthread_setcancelstate(GLIBC_2.0)[13]sem_wait(GLIBC_2.0)[13]

Data Definitions for libpthread

This section contains standard data definitions that describe system data. These definitions are organized into groups that correspond to system headers. This convention is used as a convenience for the reader, and does not imply the existence of these headers, or their content.

ISO C serves as the LSB reference programming language, and data definitions are specified in ISO C format. The C language is used here as a convenient notation. Using a C language description of these data objects does not preclude their use by other programming languages.


Interfaces for libdl

Table 16-36. libdl Definition

Library:libdl
SONAME:libdl.so.2


Dynamic Loader


Data Definitions for libdl

This section contains standard data definitions that describe system data. These definitions are organized into groups that correspond to system headers. This convention is used as a convenience for the reader, and does not imply the existence of these headers, or their content.

ISO C serves as the LSB reference programming language, and data definitions are specified in ISO C format. The C language is used here as a convenient notation. Using a C language description of these data objects does not preclude their use by other programming languages.


Interfaces for libcrypt

Table 16-37. libcrypt Definition

Library:libcrypt
SONAME:libcrypt.so.1


Encryption


Data Definitions for libcrypt

This section contains standard data definitions that describe system data. These definitions are organized into groups that correspond to system headers. This convention is used as a convenience for the reader, and does not imply the existence of these headers, or their content.

ISO C serves as the LSB reference programming language, and data definitions are specified in ISO C format. The C language is used here as a convenient notation. Using a C language description of these data objects does not preclude their use by other programming languages.

VI. Package Format and Installation

Table of Contents
17. Software Installation

Chapter 17. Software Installation


Package Architecture Considerations

All packages must specify an architecture of i486. A LSB runtime environment must accept an architecture of i486 even if the native architecture is different.

The archnum value in the Lead Section shall be 0x0001.


Appendix A. Alphabetical Listing of Interfaces


libc

The behaviour of the interfaces in this library is specified by the following Standards.

Linux Standard Base

Table A-1. libc Function Interfaces

__divdi3(GLIBC_2.0)[3]__udivdi3[3]ioperm(GLIBC_2.0)[3]
__moddi3[3]__umoddi3[3]iopl()[3]

Appendix B. GNU Free Documentation License

Version 1.1, March 2000

Copyright (C) 2000 Free Software Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.


PREAMBLE

The purpose of this License is to make a manual, textbook, or other written document "free" in the sense of freedom: to assure everyone the effective freedom to copy and redistribute it, with or without modifying it, either commercially or noncommercially. Secondarily, this License preserves for the author and publisher a way to get credit for their work, while not being considered responsible for modifications made by others.

This License is a kind of "copyleft", which means that derivative works of the document must themselves be free in the same sense. It complements the GNU General Public License, which is a copyleft license designed for free software.

We have designed this License in order to use it for manuals for free software, because free software needs free documentation: a free program should come with manuals providing the same freedoms that the software does. But this License is not limited to software manuals; it can be used for any textual work, regardless of subject matter or whether it is published as a printed book. We recommend this License principally for works whose purpose is instruction or reference.


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  10. Preserve the network location, if any, given in the Document for public access to a Transparent copy of the Document, and likewise the network locations given in the Document for previous versions it was based on. These may be placed in the "History" section. You may omit a network location for a work that was published at least four years before the Document itself, or if the original publisher of the version it refers to gives permission.

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  12. Preserve all the Invariant Sections of the Document, unaltered in their text and in their titles. Section numbers or the equivalent are not considered part of the section titles.

  13. Delete any section entitled "Endorsements". Such a section may not be included in the Modified Version.

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If the Modified Version includes new front-matter sections or appendices that qualify as Secondary Sections and contain no material copied from the Document, you may at your option designate some or all of these sections as invariant. To do this, add their titles to the list of Invariant Sections in the Modified Version's license notice. These titles must be distinct from any other section titles.

You may add a section entitled "Endorsements", provided it contains nothing but endorsements of your Modified Version by various parties--for example, statements of peer review or that the text has been approved by an organization as the authoritative definition of a standard.

You may add a passage of up to five words as a Front-Cover Text, and a passage of up to 25 words as a Back-Cover Text, to the end of the list of Cover Texts in the Modified Version. Only one passage of Front-Cover Text and one of Back-Cover Text may be added by (or through arrangements made by) any one entity. If the Document already includes a cover text for the same cover, previously added by you or by arrangement made by the same entity you are acting on behalf of, you may not add another; but you may replace the old one, on explicit permission from the previous publisher that added the old one.

The author(s) and publisher(s) of the Document do not by this License give permission to use their names for publicity for or to assert or imply endorsement of any Modified Version.


COMBINING DOCUMENTS

You may combine the Document with other documents released under this License, under the terms defined in section 4 above for modified versions, provided that you include in the combination all of the Invariant Sections of all of the original documents, unmodified, and list them all as Invariant Sections of your combined work in its license notice.

The combined work need only contain one copy of this License, and multiple identical Invariant Sections may be replaced with a single copy. If there are multiple Invariant Sections with the same name but different contents, make the title of each such section unique by adding at the end of it, in parentheses, the name of the original author or publisher of that section if known, or else a unique number. Make the same adjustment to the section titles in the list of Invariant Sections in the license notice of the combined work.

In the combination, you must combine any sections entitled "History" in the various original documents, forming one section entitled "History"; likewise combine any sections entitled "Acknowledgements", and any sections entitled "Dedications". You must delete all sections entitled "Endorsements."


COLLECTIONS OF DOCUMENTS

You may make a collection consisting of the Document and other documents released under this License, and replace the individual copies of this License in the various documents with a single copy that is included in the collection, provided that you follow the rules of this License for verbatim copying of each of the documents in all other respects.

You may extract a single document from such a collection, and distribute it individually under this License, provided you insert a copy of this License into the extracted document, and follow this License in all other respects regarding verbatim copying of that document.


AGGREGATION WITH INDEPENDENT WORKS

A compilation of the Document or its derivatives with other separate and independent documents or works, in or on a volume of a storage or distribution medium, does not as a whole count as a Modified Version of the Document, provided no compilation copyright is claimed for the compilation. Such a compilation is called an "aggregate", and this License does not apply to the other self-contained works thus compiled with the Document, on account of their being thus compiled, if they are not themselves derivative works of the Document.

If the Cover Text requirement of section 3 is applicable to these copies of the Document, then if the Document is less than one quarter of the entire aggregate, the Document's Cover Texts may be placed on covers that surround only the Document within the aggregate. Otherwise they must appear on covers around the whole aggregate.


TRANSLATION

Translation is considered a kind of modification, so you may distribute translations of the Document under the terms of section 4. Replacing Invariant Sections with translations requires special permission from their copyright holders, but you may include translations of some or all Invariant Sections in addition to the original versions of these Invariant Sections. You may include a translation of this License provided that you also include the original English version of this License. In case of a disagreement between the translation and the original English version of this License, the original English version will prevail.


TERMINATION

You may not copy, modify, sublicense, or distribute the Document except as expressly provided for under this License. Any other attempt to copy, modify, sublicense or distribute the Document is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance.


FUTURE REVISIONS OF THIS LICENSE

The Free Software Foundation may publish new, revised versions of the GNU Free Documentation License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. See http://www.gnu.org/copyleft/.

Each version of the License is given a distinguishing version number. If the Document specifies that a particular numbered version of this License "or any later version" applies to it, you have the option of following the terms and conditions either of that specified version or of any later version that has been published (not as a draft) by the Free Software Foundation. If the Document does not specify a version number of this License, you may choose any version ever published (not as a draft) by the Free Software Foundation.


How to use this License for your documents

To use this License in a document you have written, include a copy of the License in the document and put the following copyright and license notices just after the title page:

Copyright (c) YEAR YOUR NAME. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; with the Invariant Sections being LIST THEIR TITLES, with the Front-Cover Texts being LIST, and with the Back-Cover Texts being LIST. A copy of the license is included in the section entitled "GNU Free Documentation License".

If you have no Invariant Sections, write "with no Invariant Sections" instead of saying which ones are invariant. If you have no Front-Cover Texts, write "no Front-Cover Texts" instead of "Front-Cover Texts being LIST"; likewise for Back-Cover Texts.

If your document contains nontrivial examples of program code, we recommend releasing these examples in parallel under your choice of free software license, such as the GNU General Public License, to permit their use in free software.

Notes

[1]

ISO/IEC 9899: 1999, Programming Languages --C

[2]

Large File Support

[3]

Linux Standard Base

[4]

IEEE Std POSIX.1-1996 [ISO/IEC 9945-1:1996]

[5]

CAE Specification, February 1997, Networking Services (XNS), Issue 5(ISBN: 1-85912-165-9, C523)

[6]

CAE Specification, January 1997, System Interfaces and Headers (XSH),Issue 5 (ISBN: 1-85912-181-0, C606)

[7]

The Single UNIX® Specification(SUS) Version 3

[8]

System V Interface Definition, Issue 3 (ISBN 0201566524)

[9]

System V Interface Definition,Fourth Edition

[10]

ISO/IEC 9899: 1999, Programming Languages --C

[11]

CAE Specification, January 1997, System Interfaces and Headers (XSH),Issue 5 (ISBN: 1-85912-181-0, C606)

[12]

Linux Standard Base

[13]

CAE Specification, January 1997, System Interfaces and Headers (XSH),Issue 5 (ISBN: 1-85912-181-0, C606)