/*建立文件，写入、更新信息*/
#include <stdio.h>
void creatFile(FILE *);
void writeInfo(FILE *);
void renewalInfo(FILE *);
void printInfo(FILE *cfPtr);
struct person{
char lastName[15];
char firstName[15];
char age[4];
};
////////////////////
/*五金商品信息*/
#include <stdio.h>
void creatRecord(FILE *);
void writeInformation(FILE *);
void printInformation(FILE *);
struct hardware{
int accNum;
char name[20];
int num;
float price;
};
