C语言linux socket服务端

#include
#includesocket.h>
#include
#include
#include
#include
#include
#include
#include
#define PORT 9999
#define BACKLOG 10
int main()
{
int sock=socket(AF_INET,SOCK_STREAM,0);
if(sock<0)
{
printf(“socket()\n”);
}
struct sockaddr_in server_socket;
struct sockaddr_in socket;
bzero(&server_socket,sizeof(server_socket));
server_socket.sin_family=AF_INET;
server_socket.sin_addr.s_addr=htonl(INADDR_ANY);
server_socket.sin_port=htons(PORT);
if(bind(sock,(struct sockaddr*)&server_socket,sizeof(struct sockaddr_in))<0)
{
printf(“bind failed\n”);
close(sock);
return 1;
}
if(listen(sock,BACKLOG)<0)
{
printf(“listen failed\n”);
close(sock);
return 2;
}
printf(“create server success\n”);
for(;😉
{
socklen_t len=0;
int client_sock=accept(sock,(struct sockaddr*)&socket,&len);
if(client_sock<0)
{
printf(“accept()\n”);
return 3;
}
char buf_ip[INET_ADDRSTRLEN];
memset(buf_ip,‘\0’,sizeof(buf_ip));

    inet_ntop(AF_INET,&socket.sin_addr,buf_ip,sizeof(buf_ip));

    printf("get connect\n");

    while(1)
    {
        char buf[1024];
        memset(buf,'\0',sizeof(buf));
        read(client_sock,buf,sizeof(buf));  


        printf("client:# %s\n",buf);

        printf("server:$ ");

        memset(buf,'\0',sizeof(buf));

        fgets(buf,sizeof(buf),stdin);
        buf[strlen(buf)-1]='\0';
        if(strncasecmp(buf,"quit",4)==0)
        {
            printf("quit\n");
            break;
        }
        write(client_sock,buf,strlen(buf)+1);
        printf("wait...\n");
    }
    close(client_sock);
}
close(sock);
return 0;
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}