_zip_read4(unsigned char **a)
{
    unsigned int ret;

    ret = ((((((*a)[3]<<8)+(*a)[2])<<8)+(*a)[1])<<8)+(*a)[0];
    *a += 4;

    return ret;
}

_zip_read4(unsigned char **a)
{
    unsigned int ret;

    ret = ((((((*a)[3]<<8)+(*a)[2])<<8)+(*a)[1])<<8)+(*a)[0];
    *a += 4;

    return ret;
}
