153 	((int)((mp)->b_wptr - (mp)->b_rptr) >= 5 &&		\
154 	*((mp)->b_rptr) == '\033' &&				\
155 	*((mp)->b_rptr + 1) == 'Q' &&				\
156 	*((mp)->b_rptr + 4) == 'z')
158 #define	VT_MSG_VTNO(mp)		(*((mp)->b_rptr + 2) - 'A')
159 #define	VT_MSG_OPCODE(mp)	(*((mp)->b_rptr + 3))
884 	iocp = (struct iocblk *)(void *)mp->b_rptr;  in vt_ioctl()
896 		*(int *)(void *)tmp->b_rptr = consmode;  in vt_ioctl()
902 		arg = *(intptr_t *)(void *)mp->b_cont->b_rptr;  in vt_ioctl()
919 		*(int *)(void *)tmp->b_rptr = tem_get_fbmode(pvc->vc_tem);  in vt_ioctl()
937 		*(int *)(void *)tmp->b_rptr = minor; /* /dev/vt/minor */  in vt_ioctl()
952 		*(struct vt_mode *)(void *)tmp->b_rptr = vtmode;  in vt_ioctl()
966 		pvc->vc_dispnum = *(intptr_t *)(void *)mp->b_cont->b_rptr;  in vt_ioctl()
970 		pvc->vc_login = *(intptr_t *)(void *)mp->b_cont->b_rptr;  in vt_ioctl()
981 		*(struct vt_dispinfo *)(void *)tmp->b_rptr = vtdisp;  in vt_ioctl()
987 		arg = *(intptr_t *)(void *)mp->b_cont->b_rptr;  in vt_ioctl()
996 		arg = *(intptr_t *)(void *)mp->b_cont->b_rptr;  in vt_ioctl()
1005 		arg = *(intptr_t *)(void *)mp->b_cont->b_rptr;  in vt_ioctl()
1010 		arg = *(intptr_t *)(void *)mp->b_cont->b_rptr;  in vt_ioctl()
1054 		*(struct vt_stat *)(void *)tmp->b_rptr = vtinfo;  in vt_ioctl()
1064 		arg = *(intptr_t *)(void *)mp->b_cont->b_rptr;  in vt_ioctl()
1075 		*(int *)(void *)tmp->b_rptr = vc_active_console;  in vt_ioctl()
1091 			*(int *)(void *)tmp->b_rptr = -1;  in vt_ioctl()
1093 			*(int *)(void *)tmp->b_rptr = vc_cons_user;  in vt_ioctl()
1145 	copyresp = (struct copyresp *)(void *)mp->b_rptr;  in vt_miocdata()
1153 		pmode = (struct vt_mode *)(void *)mp->b_cont->b_rptr;  in vt_miocdata()
1180 	struct iocblk	*iocbp = (struct iocblk *)(void *)mp->b_rptr;  in vt_iocack()
1183 	mp->b_wptr = mp->b_rptr + sizeof (struct iocblk);  in vt_iocack()
1197 	struct iocblk *iocp = (struct iocblk *)(void *)mp->b_rptr;  in vt_iocnak()
1215 	cqp = (struct copyreq *)(void *)mp->b_rptr;  in vt_copyin()
1216 	cqp->cq_addr = *((caddr_t *)(void *)mp->b_cont->b_rptr);  in vt_copyin()
1220 	mp->b_wptr = mp->b_rptr + sizeof (struct copyreq);  in vt_copyin()
1233 	cqp = (struct copyreq *)(void *)mp->b_rptr;  in vt_copyout()
1235 	cqp->cq_addr = *((caddr_t *)(void *)mp->b_cont->b_rptr);  in vt_copyout()
1238 	mp->b_wptr = mp->b_rptr + sizeof (struct copyreq);  in vt_copyout()