_XkbCopyMaskedAtoms(Atom *wire, Atom *dest, int nAtoms, CARD32 present)
{
    register int i, bit;

    for (i = 0, bit = 1; (i < nAtoms) && (present); i++, bit <<= 1) {
        if ((present & bit) == 0)
            continue;
        dest[i] = *wire++;
    }
    return wire;
}
Unknown