#ifndef _BILLING_H
#define _BILLING_H
#include "sys.h"


void  Settlement(double cvol);  //½áËã
void ArrearsCheck(double dBlanceBeforeSettlement);  //Ç··Ñ¼ì²é£¬·¢ÏÖÇ··Ñ±¨¾¯¹Ø·§µÈ´¦Àí

void balance_sufficient_can_open_valve(void);

#endif