SWAP_WORD & SWAP_DWORD

WORD SWAP_WORD(WORD word)
{
    BYTE tmp;
    BYTE* b;

    WORD w;

    w = word;
    b = (BYTE*)&w;
    tmp = b[0];
    b[0] = b[1];
    b[1]  = tmp;

    return w;
}

DWORD SWAP_DWORD(DWORD dwDword)
{
    DWORD dwVal;
    BYTE    tmp;
    BYTE* b;

    dwVal = dwDword;
    b = (BYTE*)(&dwVal);

    tmp = b[0];
    b[0] = b[3];
    b[3] = tmp;

    tmp = b[1];
    b[1] = b[2];
    b[2] = tmp;

    return dwVal;
}