--- Libc/Libc-1669.40.2/include/search.h
+++ Libc/Libc-498/include/search.h
@@ -11,7 +11,11 @@
 
 #include <sys/cdefs.h>
 #include <_types.h>
-#include <sys/_types/_size_t.h>
+
+#ifndef _SIZE_T
+#define _SIZE_T
+typedef __darwin_size_t	size_t;
+#endif
 
 typedef	struct entry {
 	char	*key;