Posted on 2007-07-02 20:09
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C語言學習歷程
#include<stdio.h>
struct time
{
int hour;
int minutes;
int seconds;
};
int main(void)
{
struct time timeUpdate(struct time now);
struct time testTimes[5]={{11,59,59},{12,0,0},{1,29,59},{23,59,59},{19,12,27}};
int i;
for(i=0;i<5;i++)
{
printf("Time is %.2i:%.2i%.2i",testTimes[i].hour,testTimes[i].minutes,testTimes[i].seconds);
testTimes[i]=timeUpdate(testTimes[i]);
printf(".....one second later it's %.2i%.2i%.2i\n",
testTimes[i].hour,testTimes[i].minutes,testTimes[i].seconds);
}
return 0;
}
struct time timeUpdate(struct time now)
{
++now.seconds;
if(now.seconds==60)
{
now.seconds=0;
++now.minutes;
if(now.minutes==60)
{
now.minutes=0;
++now.hour;
if(now.hour=24)
now.hour=0;
}
}
return now;
}
運行結果：
