#ifndef _UNISTD_H_
#define _UNISTD_H_
# include <sys/unistd.h>
#ifndef L_SET
/* Old BSD names for the same constants; just for compatibility. */
#define L_SET SEEK_SET
#define L_INCR SEEK_CUR
#define L_XTND SEEK_END
#endif
#endif /* _UNISTD_H_ */