2024年版　C言語・中級レベル　～標準関数　time, asctime～

#include<stdio.h>
#include<time.h>

int main(void) {
    struct tm *now;
    time_t tim;

    time(&tim);   
    printf("%s", ctime(&tim));
    now = localtime(&tim);
    printf(asctime(now));
    printf("%d/%02d/%02d %02d:%02d:%02d\n",
        now->tm_year + 1900,
        now->tm_mon + 1,
        now->tm_mday,
        now->tm_hour,
        now->tm_min,
        now->tm_sec);
}