1 #include <resolv.h> 2 #include <netdb.h> 3 res_query(const char * name,int class,int type,unsigned char * dest,int len)4int res_query(const char *name, int class, int type, unsigned char *dest, int len) 5 { 6 unsigned char q[280]; 7 int ql = __res_mkquery(0, name, class, type, 0, 0, 0, q, sizeof q); 8 if (ql < 0) return ql; 9 return __res_send(q, ql, dest, len); 10 } 11 12 weak_alias(res_query, res_search); 13