(index): Define only if not HAVE_INDEX.

(rindex): Define only if !HAVE_RINDEX.

diff --git a/src/s/usg5-3.h b/src/s/usg5-3.h
index 557091d19b9c2bab43a7c9751578ee5802c2e03e..5323bb694a6fc05bbe2069e1dfa74c17a50079f5 100644 (file)
--- a/src/s/usg5-3.h
+++ b/src/s/usg5-3.h
@@ -148,8 +148,12 @@ Boston, MA 02111-1307, USA.  */
 #define _longjmp longjmp
 
 /* On USG systems these have different names */
+#ifndef HAVE_INDEX
 #define index strchr
+#endif /* ! defined (HAVE_INDEX) */
+#ifndef HAVE_RINDEX
 #define rindex strrchr
+#endif /* ! defined (HAVE_RINDEX) */
 
 /* USG systems tend to put everything declared static
    into the initialized data area, which becomes pure after dumping Emacs.