黑龙江伊品生物科技有限公司45万吨氨基酸及配套工程项目肥料尾气处理系统升级及设备采购

### 1. 首先看相关代码部分
```c
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#define PORT 8888
#define BUFFER_SIZE 1024
int main() {
    int server_socket, client_socket;
    struct sockaddr_in server_addr, client_addr;
    socklen_t client_addr_len = sizeof(client_addr);
    char buffer[BUFFER_SIZE];
    // 创建套接字
    server_socket = socket(AF_INET, SOCK_STREAM, 0);
    if (server_socket == -1) {
        perror("Socket creation failed");
        return -1;
    }
    // 绑定地址和端口
    memset(&server_addr, 0, sizeof(server_addr));
    server_addr.sin_family = AF_INET;
    server_addr.sin_addr.s_addr = INET_ADDRANY;
    server_addr.sin_port = htons(PORT);
    if (bind(server_socket, (struct sockaddr *)&server_addr, sizeof(server_addr)) == -1) {
        perror("Bind failed");
        close(server_socket);
        return -1;
    }
    // 监听
    if (listen(server_socket, 5) == -1) {
        perror("Listen failed");
        close(server_socket);
        return -1;
    }
    // 接受客户端连接
    client_socket = accept(server_socket, (struct sockaddr *)&client_addr, &client_addr_len);
    if (client_socket == -1) {
        perror("Accept failed");
        close(server_socket);
        return -1;
    }
    printf("Client connected: %s:%d\n", inet_ntoa(client_addr.sin_addr), ntohs(client_addr.sin_port));
    // 接收数据
    while (1) {
        memset(buffer, 0, BUFFER_SIZE);
        ssize_t bytes_received = recv(client_socket, buffer, BUFFER_SIZE - 1, 0);
        if (bytes_received == -1) {
            perror("Receive failed");
            break;
        } else if (bytes_received == 0) {
            printf("Client disconnected\n");
            break;
        }
        printf("Received: %s\n", buffer);
        // 发送响应
        const char *response = "Message received";
        ssize_t bytes_sent = send(client_socket, response, strlen(response), 0);
        if (bytes_sent == -1) {
            perror("Send failed");
            break;
        }
    }
    // 关闭套接字
    close(client_socket);
    close(server_socket);
    return 0;
}

表格部分

HEADER	BODY
一些说明文字	一些说明文字

后面的代码部分

// 其他函数定义等
void some_function() {
    int a = 10;
    printf("Some function: %d\n", a);
}
int main2() {
    some_function();
    return 0;
}

最后的标识

SUBMITTED
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