POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/memchr.html}
-Gnulib module: memchr
+Gnulib module: memchr or memchr-obsolete
-Portability problems fixed by Gnulib:
+Portability problems fixed by either Gnulib module @code{memchr} or @code{memchr-obsolete}:
@itemize
-@item
-This function is missing on some older platforms.
-
@item
This function dereferences too much memory on some platforms:
glibc 2.10 on x86_64, IA-64; glibc 2.11 on Alpha.
@end itemize
+Portability problems fixed by Gnulib module @code{memchr-obsolete}:
+@itemize
+@item
+This function is missing on some older platforms.
+@end itemize
+
Portability problems not fixed by Gnulib:
@itemize
@end itemize