c++ - Web server operation problem implemented in c language

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

void error_handling(char *message);

int main(int argc,char *argv[])
{
    int serv_sock;
    int clnt_sock;

    struct sockaddr_in serv_addr;
    struct sockaddr_in clnt_addr;
    socklen_t clnt_addr_size;

    char message[] = "HTTP/1.1 200 OK\r\nContent-Type:text/html\r\n\r\nentity-body:<html>sdf</html>";
    
    
    if(argc!=2){
        printf("usage: %s <port>\n",argv[0]);
        exit(1);    
    }
    
    serv_sock = socket(PF_INET,SOCK_STREAM,0);
    if(serv_sock == -1)
        error_handling("socket() error");

    memset(&serv_addr, 0 ,sizeof(serv_addr));

    serv_addr.sin_family = AF_INET;
    serv_addr.sin_addr.s_addr = htonl(INADDR_ANY);
    serv_addr.sin_port = htons(atoi(argv[1]));

    if(bind(serv_sock,(struct sockaddr*) &serv_addr,sizeof(serv_addr))==-1)error_handling("bind() error");

    if(listen(serv_sock,5)==-1)
        error_handling("listen() error");
    clnt_addr_size = sizeof(clnt_addr);
    clnt_sock = accept(serv_sock,(struct  sockaddr*)&clnt_addr,&clnt_addr_size);

    if(clnt_sock==-1)
        error_handling("accept() error");

    write(clnt_sock,message,sizeof(message));
    close(clnt_sock);
    close(serv_sock);
    return 0;

}
void error_handling(char *message)
{
    fputs(message,stderr);
    fputc('\n',stderr);
    exit(1);
}

When running on Linux and accessing it in a browser, you will be prompted to download the bin file. If you run it on Win through cygwin, you cannot access the server. Please tell me how to make the browser receive the html

sent in the code.

phpcn_u15822729 days ago1236

c++ - Web server operation problem implemented in c language

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