--- Libc/Libc-391/include/search.h
+++ Libc/Libc-320/include/search.h
@@ -10,12 +10,7 @@
 #define _SEARCH_H_
 
 #include <sys/cdefs.h>
-#include <_types.h>
-
-#ifndef _SIZE_T
-#define _SIZE_T
-typedef __darwin_size_t	size_t;
-#endif
+#include <sys/types.h>
 
 typedef	struct entry {
 	char	*key;