/* Initialization for access to a mmap'd malloc managed region.
- Copyright 1992 Free Software Foundation, Inc.
+ Copyright 1992, 2000 Free Software Foundation, Inc.
Contributed by Fred Fish at Cygnus Support. fnf@cygnus.com
#include <fcntl.h> /* After sys/types.h, at least for dpx/2. */
#include <sys/stat.h>
#include <string.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h> /* Prototypes for lseek */
+#endif
#include "mmprivate.h"
#ifndef SEEK_SET