/**

 * getbits.c

 * Copyright (C) 2010 Markus Broeker

 *

 */

#include <stdio.h>

#include <limits.h>

#include <string.h>

#define BITS 64

char *getbits (unsigned long long what)

{

    static char byte[BITS + 1];

    short i = BITS;

    memset (byte, '0', BITS);

    while (what > 0) {

        byte[--i] = (what % 2) ? '1' : '0';

        what >>= 1;

    }

    byte[BITS] = '\0';

    return byte;

}

int main (void)

{

    unsigned int i;

    for (i = 1; i < 16; i++)

        printf ("%s\n", getbits (i));

    printf ("%s\n", getbits (USHRT_MAX));

    printf ("%s\n", getbits (UINT_MAX));

    printf ("%s\n", getbits (ULONG_MAX));

#ifdef ULLONG_MAX

    printf ("%s\n", getbits (ULLONG_MAX));

#endif

    return 0;

}