2

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

int main (void) {
    FILE *du, *di;
    int c;

    du = fopen ("stara.txt", "r");
    di = fopen ("nova", "w");

    while ( (c = fgetc(du) ) != EOF) {
        fputc(c, di);
    }

    fclose(du);
    fclose(di);

    return 0;
}