-#include <lunaix/syscall.h>
-
-#define IOREQ(cmd, arg_num) ((((cmd)&0xffff) << 8) | ((arg_num)&0xff))
-
-#define IOCMD(req) ((req) >> 8)
-
-#define IOARGNUM(req) ((req)&0xff)
-
-#define TIOCGPGRP IOREQ(1, 0)
-#define TIOCSPGRP IOREQ(1, 1)
-#define TIOCCLSBUF IOREQ(2, 0)
-#define TIOCFLUSH IOREQ(3, 0)
-
-__LXSYSCALL2_VARG(int, ioctl, int, fd, int, req);