#include <io.h>
#include <stdio.h>

int main(int ac, char **av)
{
    printf("hello\n");
    FILE *f = fopen(".tmp", "w");
    fprintf(f,"qwertyuiopasdfghjklzxcvbnm");
    __int64 off = 10;

    _lseeki64(_fileno(f), off, 0);
    __int64 off2 = _telli64(_fileno(f));

    printf("%d\n", (int)(off2));
    return 0;
}