1 /* 2 * Copyright (C) 2022 HiHope Open Source Organization . 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http:// www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * 14 * limitations under the License. 15 */ 16 #ifndef SNTP_PORT_H 17 #define SNTP_PORT_H 18 19 #include "lwip/err.h" 20 #include "lwip/ip_addr.h" 21 22 typedef void (*__dns_found_callback)(const char *name, const ip_addr_t *ipaddr, int *arg); 23 24 err_t _dns_gethostbyname(const char *hostname, ip_addr_t *addr, __dns_found_callback found, int *arg); 25 26 #endif // SNTP_PORT_H 27