129 static struct stack_block *stackp;  variable
148 	sp->prev = stackp;  in stnewblock()
152 	stackp = sp;  in stnewblock()
200 	mark->stackp = stackp;  in setstackmark()
204 	if (stackp != NULL && stacknxt == SPACE(stackp))  in setstackmark()
215 	while (stackp != mark->stackp) {  in popstackmark()
216 		sp = stackp;  in popstackmark()
217 		stackp = sp->prev;  in popstackmark()
263 	if (stackp != NULL && stacknxt == SPACE(stackp)) {  in growstackblock()
265 		oldstackp = stackp;  in growstackblock()
266 		stackp = oldstackp->prev;  in growstackblock()
268 		sp->prev = stackp;  in growstackblock()
269 		stackp = sp;  in growstackblock()