res_query
extern int res_query(), res_search();
resfunc = res_query;
int res_query __P((const char *, int, int, uchar_t *, int));
extern int res_query(char *, int, int, u_char *, int);
n = res_query(qbuf, C_IN, T_PTR, (u_char *)&buf, sizeof (buf));
return (res_query(cp, class, type, answer, anslen));
return (res_query(longname, class, type, answer, anslen));