docs: update cygwin progress * doc/glibc-functions/mkostemp.texi (mkostemp): Added in cygwin 1.7.6. * doc/glibc-functions/mkostemps.texi (mkostemps): Likewise. * doc/posix-headers/fenv.texi (fenv.h): Added after cygwin 1.7.7. * doc/posix-functions/feclearexcept.texi (feclearexcept): Likewise. * doc/posix-functions/fegetenv.texi (fegetenv): Likewise. * doc/posix-functions/fegetexceptflag.texi (fegetexceptflag): Likewise. * doc/posix-functions/fegetround.texi (fegetround): Likewise. * doc/posix-functions/feholdexcept.texi (feholdexcept): Likewise. * doc/posix-functions/feraiseexcept.texi (feraiseexcept): Likewise. * doc/posix-functions/fesetenv.texi (fesetenv): Likewise. * doc/posix-functions/fesetexceptflag.texi (fesetexceptflag): Likewise. * doc/posix-functions/fesetround.texi (fesetround): Likewise. * doc/posix-functions/fetestexcept.texi (fetestexcept): Likewise. * doc/posix-functions/feupdateenv.texi (feupdateenv): Likewise. * doc/glibc-functions/feenableexcept.texi (feenableexcept): Likewise. * doc/glibc-functions/fedisableexcept.texi (fedisableexcept): Likewise. * doc/glibc-functions/fegetexcept.texi (fegetexcept): Likewise. Signed-off-by: Eric Blake <eblake@redhat.com>

@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
@end itemize