| Linux Standard Base Core Specification, Generic Part | ||
|---|---|---|
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The getifaddrs() function creates a linked
list of structures describing the network interfaces of the
local system. The address of the first item is stored in
memory pointed to by ifap. The data returned is dynamically
allocated, and should be freed using freeifaddrs().
The list consists of structures of type ifaddrs (see Data Definitions above).
On success, getifaddrs() returns zero; on error,
-1 is returned, and
errno is set appropriately.
getifaddrs() may fail and set errno for any of the errors specified for socket(), bind(), getsockname(), recvmsg(), sendto(), malloc(), or realloc().
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| gethostbyname_r | Up | getloadavg |