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@node memcmp
@section @code{memcmp}
@findex memcmp
POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/memcmp.html}
Gnulib module: memcmp
Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some older platforms.
@item
This function does not work on 8-bit data on some older platforms:
SunOS 4.1.3.
@item
This function fails when comparing 16 bytes or more and with at least one
buffer not starting on a 4-byte boundary on some older platforms:
NeXTstep/x86.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
This function produces wrong results when the arguments are constant strings
and the compiler is clang 6.0.1.
@end itemize
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