utime

#include 
#include 

#include 
#include 

int main()
{
    struct utimbuf buf;
    struct tm t;
    
    t.tm_sec = 7;
    t.tm_min = 14;
    t.tm_hour = 12;
    t.tm_mday = 19;
    t.tm_mon = 0;
    t.tm_year = 138;
    t.tm_isdst = 0;
    buf.actime =mktime(&t);
    buf.modtime = buf.actime;
    
    if (utime("file.txt", &buf) < 0){
        perror("utime");
        return 1;
    }
    return 0;
}