res_search
#define resolve_search(h,n,c,t,r,l) res_search(n,c,t,r,l)
#define SEARCH(h, n, c, t, a, l) res_search(n, c, t, a, l)
int res_search(const char *, int, int, u_char *, int);
__weak_reference(__res_search, res_search);