130 static struct stack_block *stackp;  variable
149 	sp->prev = stackp;  in stnewblock()
153 	stackp = sp;  in stnewblock()
201 	mark->stackp = stackp;  in setstackmark()
205 	if (stackp != NULL && stacknxt == SPACE(stackp))  in setstackmark()
216 	while (stackp != mark->stackp) {  in popstackmark()
217 		sp = stackp;  in popstackmark()
218 		stackp = sp->prev;  in popstackmark()
261 	if (stackp != NULL && stacknxt == SPACE(stackp)) {  in growstackblock()
263 		oldstackp = stackp;  in growstackblock()
264 		stackp = oldstackp->prev;  in growstackblock()
266 		sp->prev = stackp;  in growstackblock()
267 		stackp = sp;  in growstackblock()