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| #include<sys/socket.h> #include<unistd.h> #include <netdb.h> #include<stdlib.h> #include<netinet/in.h> #include <sys/types.h> #include <netinet/in.h> #include<stdio.h> #include <arpa/inet.h> int main(int argc, char const *argv[]) {
int sockfd,client_sockfd;
struct sockaddr_in my_addr,client_addr;
int addr_len;
my_addr.sin_family = AF_INET;
my_addr.sin_port = htons(9000);
my_addr.sin_addr.s_addr=INADDR_ANY;
sockfd = socket(AF_INET,SOCK_STREAM,0);
bind(sockfd,(struct sockaddr*)&my_addr,sizeof(struct sockaddr));
listen(sockfd,10);
addr_len = sizeof(struct sockaddr);
while (1) {
printf("server is waiting for client to connect:\n");
socklen_t client_size;
client_sockfd = accept(sockfd, (struct sockaddr *)&client_addr,&client_size);
printf("Client ip address=%s\n",inet_ntoa(client_addr.sin_addr));
char *hello = "hello";
send(client_sockfd,hello,sizeof(hello),0);
printf("disconnect the client request\n");
close(client_sockfd);
} close(sockfd);
return 0; }
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