static int page_and_bit_calculator(struct ast_extended_codec in, int *page, int *bits)
{
    union {
        struct ast_extended_codec codec;
        unsigned int bits[sizeof(struct ast_extended_codec) / sizeof(int)];
    } _in = { in };

    for (*page = 0; *page < sizeof(struct ast_extended_codec) / sizeof(int); *page++) {
        for (*bits = 0; *bits < sizeof(int) * 8; *bits++) {
            if (_in.bits[*page] & (1 << (*bits))) {
                return 0;
            }
        }
    }

    return -1;
}