(VFORK_RETURN_TYPE): Remove.
#include <config.h>
#include <signal.h>
#include <setjmp.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
#include "lisp.h"
#include "blockinput.h"
#include <unistd.h>
#endif
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
#ifdef HAVE_SETPGID
#if !defined (USG) || defined (BSD_PGRPS)
#define setpgrp setpgid
#endif
#endif
-#ifndef VFORK_RETURN_TYPE
-#define VFORK_RETURN_TYPE int
-#endif
-
/* LPASS8 is new in 4.3, and makes cbreak mode provide all 8 bits. */
#ifndef LPASS8
#define LPASS8 0