+#include <config.h>
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#ifdef HAVE_UNISTD_H
#include <unistd.h>
+#endif
#include "gifrlib.h"
+#include "sysfile.h"
/******************************************************************************
* Set up the GifFileType structure for use. This must be called first in any *