this also, but HP-UX doesn't get upset if it isn't given.
/* -*-C-*-
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/microcode/option.c,v 1.6 1990/11/27 22:12:20 cph Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/microcode/option.c,v 1.7 1990/11/28 20:32:51 cph Exp $
Copyright (c) 1990 Massachusetts Institute of Technology
#include <stdio.h>
#include <ctype.h>
+#include <sys/types.h>
#include <sys/stat.h>
#include "ansidecl.h"
#include "obstack.h"