137 static struct stack_block *stackp;  variable
156 	sp->prev = stackp;  in stnewblock()
160 	stackp = sp;  in stnewblock()
208 	mark->stackp = stackp;  in setstackmark()
212 	if (stackp != NULL && stacknxt == SPACE(stackp))  in setstackmark()
223 	while (stackp != mark->stackp) {  in popstackmark()
224 		sp = stackp;  in popstackmark()
225 		stackp = sp->prev;  in popstackmark()
268 	if (stackp != NULL && stacknxt == SPACE(stackp)) {  in growstackblock()
270 		oldstackp = stackp;  in growstackblock()
271 		stackp = oldstackp->prev;  in growstackblock()
273 		sp->prev = stackp;  in growstackblock()
274 		stackp = sp;  in growstackblock()