funtc341b.dat

来自「指令字典2005里面可以方便的查找一些函数」· DAT 代码 · 共 20 行

#include <stdio.h>
#include <dos.h>
char *month[]={"---", "Jan", "Feb", "Mar", "Apr", "May", "Jun","Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
    #define SECONDS_PER_DAY 86400L
    struct date dt;
    struct time tm;
int main(void)
{
    unsigned long val;
    getdate(&dt);
    gettime(&tm);
    printf("today is %d %s %d
", dt.da_day, month[dt.da_mon], dt.da_year);
    val = dostounix(&dt, &tm);
    val-= (SECONDS_PER_DAY*42);
    unixtodos(val, &dt, &tm);
    printf("42 days ago it was %d %s %d
",dt.da_day, month[dt.da_mon], dt.da_year);
    return 0;
}