socket:64, errno:99 2303199 不能分配请求的地址 错误信息 Address not available. 错误描述 请...
= bind (sockClient, (sockaddr*)&addrClient, sizeof(addrClient))){printf ("bind failed.ip=[%s] errno=[%d]\n", szIp, WSAGetLastError());}SOCKADDR_IN addrServer = {0}; addrServer.sin_family = AF_INET;addrServer.sin_addr.s_addr = htonl ( INADDR_BROADCAST );addrServer.sin_...
bind(): 服务器程序所监听的网络地址和端口号通常是固定不变的,客户端程序得知服务器程序的地址和端口号后 就可以向服务器发起连接; 服务器需要调用bind绑定一个固定的网络地址和端口号; bind()成功返回0,失败返回-1。 bind()的作用是将参数sockfd和myaddr绑定在一起, 使sockfd这个用于网络通讯的文件描述符监听 ...
指明地址信息sin_family表示地址类型,对于基于TCP/IP传输协议的通信,该值只能是AF_INET;sin_prot表示端口号,例如:21 或者 80 或者 27015,总之在0 ~ 65535之间;sin_addr表示32位的IP地址,例如:192.168.1.5 或 202.96.134.133;sin_zero表示填充字节,一般情况下该值为0;bind()函数int bind( int sockfd , const ...
int ret = bind(udp_socket_fd, (struct sockaddr*)&local_addr, sizeof(local_addr)); if(ret < 0) { perror("bind fail:"); close(udp_socket_fd); return -1; } //启动接收线程 pthread_t recv_thread; pthread_create(&recv_thread, NULL, recv_msg, (void*)&udp_socket_fd); ...
(OS Error: Operation not permitted, errno = 1), address = 0.0.0.0, port = 0 E/flutter (23616): #0 _NativeSocket.send (dart:io-patch/socket_patch.dart:1213:34) E/flutter (23616): #1 _RawDatagramSocket.send (dart:io-patch/socket_patch.dart:2460:15) E/flutter (23616): #2 main....
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$socket = stream_socket_server($server, $errno, $errstr, STREAM_SERVER_BIND); if (!$socket) { die("报错 1"."$errstr ($errno)"); } echo "系统绑定的IP :".$ThisIp.":39169\n"; $readcardbuf=array(1000); //卡扇区内容缓冲 $LastBuf= array(9); //保存最后接收到的信息...
911 context->SetErrorCode(errno); 912 return false; 913 } 914 } 915 904 916 if (bind(context->GetSocketFd(), addr, len) < 0) { 905 917 if (errno != EADDRINUSE) { 906 918 ERROR_RETURN(context, "bind failed, socket:%{public}d, errno:%{public}d", context->GetSocket...
② 绑定IP地址、端口等信息到socket上,用函数bind() ③ 设置服务器端IP地址和端口等属性 ④ 发送数据,用函数sendto() ⑤ 关闭网络连接 4. 简单示例 ① 服务器端 #include <stdlib.h>#include<stdio.h>#include<errno.h>#include<string.h>#include<unistd.h>#include<netdb.h>#include<sys/socket.h>#...