53 	reg int		local, inuse;  local
63 	SETINUSE(vd, inuse);
67 		{	CLRINUSE(vd, inuse);
121 	CLRINUSE(vd, inuse);
139 	reg int		local, inuse;  local
141 	SETINUSE(vd, inuse);
145 		{	CLRINUSE(vd, inuse);
174 	CLRINUSE(vd, inuse);
188 	reg int		local, inuse;  local
193 	SETINUSE(vd, inuse);
198 		{	CLRINUSE(vd, inuse);
205 			CLRINUSE(vd, inuse);
222 	CLRINUSE(vd, inuse);
236 	int		local, inuse;  local
241 	SETINUSE(vd, inuse);
247 		CLRINUSE(vd, inuse);
252 		CLRINUSE(vd, inuse);
260 		{	CLRINUSE(vd, inuse);
267 			CLRINUSE(vd, inuse);
276 	CLRINUSE(vd, inuse);
302 	reg int		inuse;  local
304 	SETINUSE(vd, inuse);
307 		{	CLRINUSE(vd, inuse);
332 	CLRINUSE(vd, inuse);