Why __memrchr vs. memrchr ?

Denis Zaitsev <[email protected]> Tue, 3 Feb 2004 02:37:21 +0500

Newsgroups	org.kernel.vger.linux-gcc
Message-ID	<[email protected]>

Why such a scheme is used in GLIBC:

declare + define __memrchr, and than

# ifdef __USE_GNU
#  define memrchr(s, c, n) __memrchr ((s), (c), (n))
# endif

?  memrchr is not the GNU extension, is it?

Thanks in advance.