#include <stdio.h>

void bitcopier(long src, long* tgt)
{
    long answ = 0;
    long mask = 1;
    for (int i=0; i<8*sizeof(long); i++)
    {
	long onebit = src>>i & mask;
	answ |= onebit<<i;
    }
    *tgt = answ;
}

int main(void)
{
    long gg = 4;
    long ggg;
    bitcopier(gg, &ggg);
    printf("%ld   %ld\n", gg, ggg);
}