用c语言开发web服务器并加载html网页，html网页中显示图片

要用C语言开发Web服务器并加载HTML网页，您可以使用Socket编程，具体步骤如下：

1. 创建Socket，绑定IP地址和端口号，然后进行监听。

2. 接收客户端请求，解析HTTP请求报文，获取请求的资源路径。

3. 根据请求的资源路径，读取对应的HTML文件，并将其发送给客户端。

4. 如果HTML文件中包含图片等其他资源，也需要将其读取并发送给客户端。

以下是一个简单的示例代码，用于加载HTML网页并显示图片（假设图片路径为"/img/test.jpg"）：

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>

#define PORT 80
#define MAX_CLIENTS 5
#define BUFFER_SIZE 1024

void handle_request(int client_socket);

int main(int argc, char *argv[]) {
    int server_socket, client_socket;
    struct sockaddr_in server_addr, client_addr;
    socklen_t client_len;

    // 创建Socket
    server_socket = socket(AF_INET, SOCK_STREAM, 0);
    if(server_socket == -1) {
        perror("Error creating socket");
        exit(EXIT_FAILURE);
    }

    // 设置Socket选项
    int opt = 1;
    if(setsockopt(server_socket, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) == -1) {
        perror("Error setting socket options");
        exit(EXIT_FAILURE);
    }

    // 绑定IP地址和端口号
    server_addr.sin_family = AF_INET;
    server_addr.sin_addr.s_addr = INADDR_ANY;
    server_addr.sin_port = htons(PORT);
    if(bind(server_socket, (struct sockaddr *)&server_addr, sizeof(server_addr)) == -1) {
        perror("Error binding socket");
        exit(EXIT_FAILURE);
    }

    // 监听Socket
    if(listen(server_socket, MAX_CLIENTS) == -1) {
        perror("Error listening on socket");
        exit(EXIT_FAILURE);
    }

    printf("Server started on port %d\n", PORT);

    // 无限循环，等待客户端请求
    while(1) {
        client_len = sizeof(client_addr);
        client_socket = accept(server_socket, (struct sockaddr *)&client_addr, &client_len);
        if(client_socket == -1) {
            perror("Error accepting client connection");
            exit(EXIT_FAILURE);
        }

        printf("Client connected: %s\n", inet_ntoa(client_addr.sin_addr));

        // 处理客户端请求
        handle_request(client_socket);

        // 关闭Socket
        close(client_socket);
    }

    return 0;
}

void handle_request(int client_socket) {
    char buffer[BUFFER_SIZE];
    char *response;
    FILE *file;
    long file_size;

    // 读取客户端请求
    if(recv(client_socket, buffer, BUFFER_SIZE, 0) == -1) {
        perror("Error receiving client request");
        exit(EXIT_FAILURE);
    }

    // 解析HTTP请求报文，获取请求的资源路径
    char *path = strtok(buffer, " ");
    path = strtok(NULL, " ");
    printf("Requested path: %s\n", path);

    // 读取HTML文件
    if(strcmp(path, "/") == 0) {
        file = fopen("index.html", "rb");
    } else {
        file = fopen(path + 1, "rb");
    }

    if(file == NULL) {
        response = "HTTP/1.1 404 Not Found\r\n\r\n";
        send(client_socket, response, strlen(response), 0);
        return;
    }

    // 获取HTML文件大小
    fseek(file, 0, SEEK_END);
    file_size = ftell(file);
    fseek(file, 0, SEEK_SET);

    // 分配内存，保存HTML文件内容
    response = (char *)malloc(file_size);
    fread(response, 1, file_size, file);

    // 关闭文件
    fclose(file);

    // 发送HTTP响应报文和HTML文件内容
    char headers[BUFFER_SIZE];
    sprintf(headers, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nContent-Length: %ld\r\n\r\n", file_size);
    send(client_socket, headers, strlen(headers), 0);
    send(client_socket, response, file_size, 0);

    // 显示图片
    if(strcmp(path, "/img/test.jpg") == 0) {
        file = fopen(path + 1, "rb");
        if(file == NULL) {
            perror("Error loading image file");
            exit(EXIT_FAILURE);
        }
        fseek(file, 0, SEEK_END);
        file_size = ftell(file);
        fseek(file, 0, SEEK_SET);
        response = (char *)malloc(file_size);
        fread(response, 1, file_size, file);
        fclose(file);
        sprintf(headers, "HTTP/1.1 200 OK\r\nContent-Type: image/jpeg\r\nContent-Length: %ld\r\n\r\n", file_size);
        send(client_socket, headers, strlen(headers), 0);
        send(client_socket, response, file_size, 0);
    }

    // 释放内存
    free(response);
}

在运行程序后，您可以在浏览器中输入"http://localhost"，就可以看到加载的HTML网页，并显示图片。当然您需要将图片放在正确的路径下，并修改代码中的图片路径。