Linux Standard Base Desktop Specification 4.1 | ||
---|---|---|
<<< Previous | Next >>> |
png_sig_cmp() checks whether the given number of bytes match the PNG signature starting from the start position. The function shall return non-zero if num_to_check == 0 or start > 7.
Zero - the given number of bytes starting from start position match the respective bytes of the PNG signature. Non-zero - the given number of bytes starting from start position do not match the respective bytes of the PNG signature or num_to_check == 0 or start > 7.
<<< Previous | Home | Next >>> |
png_set_write_user_transform_fn | Up | png_start_read_image |