$NetBSD$

Use standard headers.

--- c/unix/dynamo.c~	2001-01-22 12:48:00.000000000 +0000
+++ c/unix/dynamo.c
@@ -4,6 +4,7 @@
  */
 
 #include <stdlib.h>
+#include <string.h>
 #include <unistd.h>
 #include "sysdep.h"
 #include "scheme48.h"
