135 static struct stack_block *stackp;  variable
154 	sp->prev = stackp;  in stnewblock()
158 	stackp = sp;  in stnewblock()
206 	mark->stackp = stackp;  in setstackmark()
210 	if (stackp != NULL && stacknxt == SPACE(stackp))  in setstackmark()
221 	while (stackp != mark->stackp) {  in popstackmark()
222 		sp = stackp;  in popstackmark()
223 		stackp = sp->prev;  in popstackmark()
269 	if (stackp != NULL && stacknxt == SPACE(stackp)) {  in growstackblock()
271 		oldstackp = stackp;  in growstackblock()
272 		stackp = oldstackp->prev;  in growstackblock()
274 		sp->prev = stackp;  in growstackblock()
275 		stackp = sp;  in growstackblock()