--- /dev/null
+--- a/scaffold.c
++++ b/scaffold.c
+@@ -20,13 +20,12 @@ static char sccs_id[] = "@(#) scaffold.c
+ #include <syslog.h>
+ #include <setjmp.h>
+ #include <string.h>
++#include <stdlib.h>
+
+ #ifndef INADDR_NONE
+ #define INADDR_NONE (-1) /* XXX should be 0xffffffff */
+ #endif
+
+-extern char *malloc();
+-
+ /* Application-specific. */
+
+ #include "tcpd.h"