128 static struct stack_block *stackp;  variable
147 	sp->prev = stackp;  in stnewblock()
151 	stackp = sp;  in stnewblock()
199 	mark->stackp = stackp;  in setstackmark()
203 	if (stackp != NULL && stacknxt == SPACE(stackp))  in setstackmark()
214 	while (stackp != mark->stackp) {  in popstackmark()
215 		sp = stackp;  in popstackmark()
216 		stackp = sp->prev;  in popstackmark()
259 	if (stackp != NULL && stacknxt == SPACE(stackp)) {  in growstackblock()
261 		oldstackp = stackp;  in growstackblock()
262 		stackp = oldstackp->prev;  in growstackblock()
264 		sp->prev = stackp;  in growstackblock()
265 		stackp = sp;  in growstackblock()