char *findstruct(char *base, int num, int sz, int ident)
{
        MLStub  *s;
        int     i;

        s = (MLStub*)base;
        for(i=0;i<num;i++)
        {
                if ((s->used) && (s->ident == ident))
                        return((char*)s);
                (char*)s += sz;
        }
        return(NULL);
}