not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+#include "src/internal_config.h"
#include <sys/types.h>
#include <fcntl.h> /* After sys/types.h, at least for dpx/2. */
#include <sys/stat.h>
#include <string.h>
-#ifdef HAVE_UNISTD_H
+#if HAVE_UNISTD_H
#include <unistd.h> /* Prototypes for lseek */
#endif
#include "mmprivate.h"