163 		u.dx = u.dy = 0;  in domove()
170 			} while (!isok(u.ux + u.dx, u.uy + u.dy) ||  in domove()
171 			       IS_ROCK(levl[u.ux + u.dx][u.uy + u.dy].typ));  in domove()
173 		if (!isok(u.ux + u.dx, u.uy + u.dy)) {  in domove()
182 	if (!u.uswallow && (trap = t_at(u.ux + u.dx, u.uy + u.dy)) && trap->tseen)  in domove()
184 	if (u.ustuck && !u.uswallow && (u.ux + u.dx != u.ustuck->mx ||  in domove()
199 	if (u.uswallow || (mtmp = m_at(u.ux + u.dx, u.uy + u.dy))) {  in domove()
218 			if ((u.dx && u.dy) || !rn2(5))  in domove()
223 	tmpr = &levl[u.ux + u.dx][u.uy + u.dy];  in domove()
225 	    (u.dx && u.dy && (tmpr->typ == DOOR || ust->typ == DOOR))) {  in domove()
230 	while ((otmp = sobj_at(ENORMOUS_ROCK, u.ux + u.dx, u.uy + u.dy)) != NULL){  in domove()
231 		xchar  rx = u.ux + 2 * u.dx, ry = u.uy + 2 * u.dy;  in domove()
235 		    (levl[rx][ry].typ != DOOR || !(u.dx && u.dy)) &&  in domove()
270 				newsym(u.ux + u.dx, u.uy + u.dy);  in domove()
286 			    (!u.dx || !u.dy || (IS_ROCK(levl[u.ux][u.uy + u.dy].typ)  in domove()
287 				&& IS_ROCK(levl[u.ux + u.dx][u.uy].typ)))) {  in domove()
294 	if (u.dx && u.dy && IS_ROCK(levl[u.ux][u.uy + u.dy].typ) &&  in domove()
295 	    IS_ROCK(levl[u.ux + u.dx][u.uy].typ) &&  in domove()
302 	    DIST(u.ux + u.dx, u.uy + u.dy, uchain->ox, uchain->oy) > 2) {  in domove()
307 		if (DIST(u.ux + u.dx, u.uy + u.dy, uball->ox, uball->oy) < 3) {  in domove()
326 	u.ux += u.dx;  in domove()
350 					prl1(u.ux + u.dx, u.uy + u.dy);  in domove()
352 					nose1(oldx - u.dx, oldy - u.dy);  in domove()
355 				prl1(u.ux + u.dx, u.uy + u.dy);  in domove()
361 				prl1(u.ux + u.dx, u.uy + u.dy);  in domove()
372 			nose1(oldx - u.dx, oldy - u.dy);  in domove()
574 	if (u.ux0 == u.ux + u.dx && u.uy0 == u.uy + u.dy)  in lookaround()
585 				if (!mtmp->mtame || (x == u.ux + u.dx && y == u.uy + u.dy))  in lookaround()
590 			if (x == u.ux - u.dx && y == u.uy - u.dy)  in lookaround()
607 					i = DIST(x, y, u.ux + u.dx, u.uy + u.dy);  in lookaround()
624 				if (x == u.ux + u.dx && y == u.uy + u.dy)  in lookaround()
647 			if (u.dx == y0 - u.uy && u.dy == u.ux - x0)  in lookaround()
651 		} else if (u.dx && u.dy) {  in lookaround()
652 			if ((u.dx == u.dy && y0 == u.uy) ||  in lookaround()
653 			    (u.dx != u.dy && y0 != u.uy))  in lookaround()
667 			u.dx = x0 - u.ux, u.dy = y0 - u.uy;  in lookaround()
697 	int    dx, dy, adx, ady, sdx, sdy, dmax, d;  in cansee()  local
709 	dx = x - u.ux;  in cansee()
710 	adx = abs(dx);  in cansee()
711 	sdx = sgn(dx);  in cansee()
715 	if (dx == 0 || dy == 0 || adx == ady) {  in cansee()
716 		dmax = (dx == 0) ? ady : adx;  in cansee()