Playing with Autoscan.

* configure.ac: Remove the old LIBOBJ tweaks.
(AC_REPLACE_FUNCS): Add strrchr and strtol.
* lib/strrchr.c: New.
* lib/strtol.c: New, from the Coreutils 4.5.1.

lib/strrchr.c

@@ -0,0 +1,30 @@
+/* Portable version of strrchr().
+   This function is in the public domain. */
+
+/*
+
+@deftypefn Supplemental char* strrchr (const char *@var{s}, int @var{c})
+
+Returns a pointer to the last occurrence of the character @var{c} in
+the string @var{s}, or @code{NULL} if not found.  If @var{c} is itself the
+null character, the results are undefined.
+
+@end deftypefn
+
+*/
+
+#include <ansidecl.h>
+
+char *
+strrchr (s, c)
+  register const char *s;
+  int c;
+{
+  char *rtnval = 0;
+
+  do {
+    if (*s == c)
+      rtnval = (char*) s;
+  } while (*s++);
+  return (rtnval);
+}