+ return 0;
+}
+
+int main(int argc, char *argv[]) {
+ _cleanup_resolve_query_unref_ sd_resolve_query *q1 = NULL, *q2 = NULL, *q3 = NULL;
+ _cleanup_resolve_unref_ sd_resolve *resolve = NULL;
+ int r = 0;
+
+ struct addrinfo hints = {
+ .ai_family = PF_UNSPEC,
+ .ai_socktype = SOCK_STREAM,
+ .ai_flags = AI_CANONNAME
+ };
+
+ struct sockaddr_in sa = {
+ .sin_family = AF_INET,
+ .sin_port = htons(80)
+ };
+
+ assert_se(sd_resolve_default(&resolve) >= 0);
+
+ /* Test a floating resolver query */
+ sd_resolve_getaddrinfo(resolve, NULL, "redhat.com", "http", NULL, getaddrinfo_handler, NULL);
+
+ /* Make a name -> address query */
+ r = sd_resolve_getaddrinfo(resolve, &q1, argc >= 2 ? argv[1] : "www.heise.de", NULL, &hints, getaddrinfo_handler, NULL);
+ if (r < 0)
+ log_error_errno(r, "sd_resolve_getaddrinfo(): %m");
+
+ /* Make an address -> name query */
+ sa.sin_addr.s_addr = inet_addr(argc >= 3 ? argv[2] : "193.99.144.71");
+ r = sd_resolve_getnameinfo(resolve, &q2, (struct sockaddr*) &sa, sizeof(sa), 0, SD_RESOLVE_GET_BOTH, getnameinfo_handler, NULL);
+ if (r < 0)
+ log_error_errno(r, "sd_resolve_getnameinfo(): %m");
+
+ /* Make a res_query() call */
+ r = sd_resolve_res_query(resolve, &q3, "_xmpp-client._tcp.gmail.com", C_IN, T_SRV, res_handler, NULL);
+ if (r < 0)
+ log_error_errno(r, "sd_resolve_res_query(): %m");
+
+ /* Wait until the three queries are completed */
+ while (sd_resolve_query_is_done(q1) == 0 ||
+ sd_resolve_query_is_done(q2) == 0 ||
+ sd_resolve_query_is_done(q3) == 0) {
+
+ r = sd_resolve_wait(resolve, (uint64_t) -1);
+ if (r < 0) {
+ log_error_errno(r, "sd_resolve_wait(): %m");
+ assert_not_reached("sd_resolve_wait() failed");
+ }
+ }