#include <config.h>
#include "lisp.h"
-#include <limits.h>
#include "buffer.h"
#include "commands.h"
#include "file-coding.h"
#endif
+#include "sysfile.h"
+
#ifdef HAVE_TTY
#include "console-tty.h"
-#ifdef HAVE_UNISTD_H
-#include <unistd.h> /* for isatty() */
-#endif
#endif /* HAVE_TTY */
/* Note: We have to be careful throughout this code to properly handle