资金管理系统示例

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于 2021-02-04 23:36:26 发布 · 511 阅读

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#程序人生 #经验分享 #云计算 #算法

#include <stdio.h>
#include <stdlib.h>
long size;
struct LongData
{
   
    long logid;
    char longdate[15];
    char longnote[11];
    double charge;
    double balance;
};
int inputchoice()
{
   
    int mychoice;
    printf("\nEnter your choice:\n");
    printf("1-Add a new cash LOG.\n2-List All Cash LOG.\n");
    pritnf("3-Query Last Cash LOG.\n0-End program.\n");
    scanf("%d", &mychoice);
    return mychoice;
}
long getLogcount(FILE *cfptr)
{
   
    long begin, end, logcount;
    fseek(cfptr, 0L, SEEK_SET);
    begin = ftell(cfptr);
    fseek(cfptr, size, SEEK_END);
    end = ftell(cfptr);
    logcount = (end - begin) / size - 1;