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-rw-r--r--include/string.h12
1 files changed, 7 insertions, 5 deletions
diff --git a/include/string.h b/include/string.h
index b4ccb1b57f..d9a5eebcbe 100644
--- a/include/string.h
+++ b/include/string.h
@@ -72,11 +72,13 @@ libc_hidden_proto (__strndup)
 libc_hidden_proto (__strerror_r)
 libc_hidden_proto (__strverscmp)
 
-# ifndef index
-#  define index(s, c)	(strchr ((s), (c)))
-# endif
-# ifndef rindex
-#  define rindex(s, c)	(strrchr ((s), (c)))
+# ifndef _ISOMAC
+#  ifndef index
+#   define index(s, c)	(strchr ((s), (c)))
+#  endif
+#  ifndef rindex
+#   define rindex(s, c)	(strrchr ((s), (c)))
+#  endif
 # endif
 
 #endif