File scheme48-implicit-fortify-decl.patch of Package scheme48

--- c/unix/socket.c
+++ c/unix/socket.c
@@ -6,9 +6,12 @@
  */
 
 #define _XOPEN_SOURCE_EXTENDED 1		/* AIX wants this to be 1 */
+#define _BSD_SOURCE 
+#define _XOPEN_SOURCE 500
 #include "sysdep.h"
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/param.h>