vt_do_kbkeycode_ioctl 547 drivers/tty/vt/vt_ioctl.c ret = vt_do_kbkeycode_ioctl(cmd, up, perm); vt_do_kbkeycode_ioctl 167 include/linux/vt_kern.h extern int vt_do_kbkeycode_ioctl(int cmd, struct kbkeycode __user *user_kbkc,