front             284 global/literal.c 	struct words **front, **rear;
front             291 global/literal.c 	front = rear = queue;
front             301 global/literal.c 	while (rear != front) {
front             302 global/literal.c 		s = *front;
front             303 global/literal.c 		if (front == &queue[QSIZE-1])
front             304 global/literal.c 			front = queue;
front             305 global/literal.c 		else front++;
front             309 global/literal.c 			if (front < rear)
front             311 global/literal.c 					if (front == queue) overflo();
front             315 global/literal.c 				if (++rear == front) overflo();