binascii to bin converter (little-endian)

#include <stdio.h>

/*

little-endian ascii-bin to bin converter!
Anything NOT ascii-bin ('1' or '0') is skipped

authored (in 10 minutes) (unconventionally) in 2015 by: bazz | http://www.bazz1.com
*/

char message[] = "0000000011111111110110001111111100000000000011100000000000000001000000000000000001001010010001100000000001001001010001100000000000000000000000000001000000100000000000000000000000000000011001000000000000000000011001000000000000000000000000000000111111111110000000000000110000000000000100010000000001000100011101010110001100000000000001101011011110010000000000000000000000000001000000000000000000000100000000000000000000000000000000000000011001000000000000000000000000000000111111110000000011100010000011000101100000000000000001001001010000110100000000000000001101011111010100000000000001010010010011110100011000000000000001001001010011000100000000000000010100000000000000010000000000000001000000000000000000000000000000001100010010000100000000000000110001101001011011100000000001101111000000100001000000000000000000000000000000000110000000000000110101101110011101000000000001110010010100100100011100000000000001000010001000000101000000000000100001011001010110100000000000100000000001111100111000000000000000000000000000100000000000000000000000001001000000000000000000000110000000000011000100000000000000000000000000000110000000000000000101100011011100110000000001110000010011010101001100000000000001000110010101000000000000000000000000000000000000000000000000000000010010010100010100000000000001000011001000000111000000000000001101010010010001110000000001000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111101100000000011010110000000000000000100000000000000000000000000000000000000000000000000000000110100110000000000101101010010000101000000000000000000100000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100010110000000000000001101110000011100100000000001110100000000000000000000000000000000000001010100000000000000000000000000000000000000000000000000110011011001000110010100000000000001110011011000110000000000000000000000000000000000010000000010000100000000000000000000000000000000000000011011000111000000000000011101110100011100000000000001110100000000000000000000000000000000000001111100000000000000000000000000000000000000000000000000010100011000100110101100000000000001110000011101000000000000000000000000000000000000100000000000000100000000000000000000000000000000000000000101000111000000000000001001011000010110010000000001011010000000000000000000000000000000000010000110000000000000000000000000000000000000000000000000010100011001110101100000000000000001011001010110100000000000000000000000000000000000100000000000101100000000000000000000000000000000000000000101000110000000000000001001011000010110010000000001011010000000000000000000000000000000000010010000000000000000000000000000000000000000000000000000010100011001000110110100000000000001101110011001000000000000000000000000000000000000100000000001010100000000000000000000000000000000000000011100000110000000000000010001101101011001000000000001100100000000000000000000000000000000000010110001000000000000000000000000000000000000000000000010001000011101100111010100000000000001100101011001000000000000000000000000000000000000110000000001001100000000000000000000000000000000000000100001100111000000000000011001101001011001010000000001110111000000000000000000000000000000000011110101000000000000000000000000000000000000000000000000100100011011000111010100000000000001101101011010010000000000000000000000000000000000110000000011111000000000000000000000000000000000000000000101000110000000000000110101100101011000010000000001110011000000000000000000000000000000000100000011000000000000000000000000000000000000000000000000100100011101000110010100000000000001100011011010000000000000000000000000000000000001000000000000110000000000000000000000000000000000000000000011000111000000000000001001010100010100100000000001000011000000000000000000000000000000000100001111000000000000000000000000000000000010000000000000001100011001110101010000000000000001010010010000110000000000000000000000000000000001000000000000111100000000000000000000000000000000001000000011000110000000000000001001010100010100100000000001000011000000000000000000000000000000000100001111000000000000000000000000000000000010000000000000001100011101000110010100000000000001111000011101000000000000000000000000000000000000000000000000000000010000110110111100000000000001110000011110010111000000000000001001101001011001110000000001101000011101000010000000000000000000101000011000110010000000000000100100100000001100010000000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//char message[] = "00000001 00000010 11111111"; // ff0201 test
char *lut[] =
{
    "0000", // 0
    "0001", // 1
    "0010", // 2
    "0011", // 3
    "0100", // 4
    "0101", // 5
    "0110", // 6
    "0111", // 7
    "1000", // 8
    "1001", // 9
    "1010", // 10
    "1011", // 11
    "1100", // 12
    "1101", // 13
    "1110", // 14
    "1111"  // 15
};

int main()
{
    int x;

    // one byte at a time
    for (x=0; x < strlen(message); x)
    {
        // skip spaces or anything that's not binary ascii!
        if (message[x] != '1' && message[x] != '0')
        {
            x++; continue;
        }

        char final_byte=0;
        int i=0;
        char lo[4+1];
        char hi[4+1];
        // read 4
        hi[i++] = message[x++];
        hi[i++] = message[x++];
        hi[i++] = message[x++];
        hi[i++] = message[x++];
        hi[i] = 0;

        i=0;
        lo[i++] = message[x++];
        lo[i++] = message[x++];
        lo[i++] = message[x++];
        lo[i++] = message[x++];
        lo[i] = 0;

        for (i=0; i < 16; i++)
        {
            if (!strcmp(lo, lut[i]))
            {
                final_byte = i;
            }
        }
        for (i=0; i < 16; i++)
        {
            if (!strcmp(hi, lut[i]))
            {
                final_byte |= (i<<4);
            }
        }
        printf("%c", final_byte);
    }
    return 0;
}