C语言实现Socket套接字的服务器端与客户端的通信

好的，我可以为您介绍一下 C 语言实现 Socket 套接字的服务器端和客户端的通信。

首先，服务器端的实现：

1. 创建 Socket：

int server_socket = socket(AF_INET, SOCK_STREAM, 0);

2. 绑定 Socket：

struct sockaddr_in server_address;
memset(&server_address, 0, sizeof(server_address));
server_address.sin_family = AF_INET;
server_address.sin_addr.s_addr = htonl(INADDR_ANY);
server_address.sin_port = htons(8080);

bind(server_socket, (struct sockaddr *)&server_address, sizeof(server_address));

3. 监听 Socket：

listen(server_socket, 20);

4. 接收客户端连接：

struct sockaddr_in client_address;
socklen_t client_address_len = sizeof(client_address);

int client_socket = accept(server_socket, (struct sockaddr *)&client_address, &client_address_len);

5. 接收和发送数据：

char buffer[1024];
recv(client_socket, buffer, 1024, 0);
send(client_socket, buffer, strlen(buffer), 0);

6. 关闭 Socket：

close(client_socket);
close(server_socket);

接下来是客户端的实现：

1. 创建 Socket：

int client_socket = socket(AF_INET, SOCK_STREAM, 0);

2. 连接服务器：

struct sockaddr_in server_address;
memset(&server_address, 0, sizeof(server_address));
server_address.sin_family = AF_INET;
server_address.sin_addr.s_addr = inet_addr("127.0.0.1");
server_address.sin_port = htons(8080);

connect(client_socket, (struct sockaddr *)&server_address, sizeof(server_address));

3. 发送和接收数据：

char buffer[1024];
fgets(buffer, 1024, stdin);
send(client_socket, buffer, strlen(buffer), 0);
recv(client_socket, buffer, 1024, 0);

4. 关闭 Socket：

close(client_socket);

以上就是 C 语言实现 Socket 套接字的服务器端和客户端的通信的基本流程。需要注意的是，这里只是一个简单的示例，实际的应用中还需要考虑一些异常情况的处理，例如连接超时、数据传输失败等。