Lab - PC

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

char* timestr(struct tm *t, char* time) {
    char s[10];
     int n;

time = malloc(20 * sizeof(char));

 sprintf(s,"%02d-", t->tm_mday);
    strcpy(time, s);

  sprintf(s,"%02d-", t->tm_mon);
    strcat(time, s);

  sprintf(s,"%d\n", 1900 + t->tm_year);
    strcat(time, s);

  sprintf(s,"%02d:", t->tm_hour);
    strcat(time, s);
    sprintf(s,"%02d:", t->tm_min);
        strcat(time, s);
    sprintf(s,"%02d", t->tm_sec);
        strcat(time, s);
}

int main() {
    struct tm *timp;
     time_t t;
     char *ctime;
     t = time(NULL);
      timp = localtime(&t);
    ctime = timestr(timp, ctime);
     printf("%s\n", ctime);
  return 0;
}