C语言输出当前日期和时间

#include <stdio.h>
#include <time.h>char* asctime2(const struct tm *timeptr)
{
static const char wday_name[][4] = {
"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
};
static const char mon_name[][4] = {
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};
static char result[26];
sprintf(result, "%.3s %.3s%3d %.2d:%.2d:%.2d %d",
wday_name[timeptr->tm_wday],
mon_name[timeptr->tm_mon],
timeptr->tm_mday, timeptr->tm_hour,
timeptr->tm_min, timeptr->tm_sec,
1900 + timeptr->tm_year);
return result;
}int main(void)
{
time_t rawtime;
struct tm *timeinfo; time(&rawtime);
timeinfo = localtime(&rawtime);
printf("%s", asctime2(timeinfo)); return 0;
}//REF:
//http://en.cppreference.com/w/c/chrono/asctime