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

int main(void) {
    time_t mytime;
    mytime = time(NULL);
    struct tm tm = *localtime(&mytime);
    printf("Data: %d/%d/%d\n", tm.tm_mday, tm.tm_mon + 1, tm.tm_year + 1900);
}

//https://pt.stackoverflow.com/q/159141/101