socket編程server端

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 1 #include<stdlib.h> 2 #include<string.h> 3 #include<stdio.h> 4 #include<sys/socket.h> 5 #include<arpa/inet.h> 6 #include<sys/types.h> 7 #include<netinet/in.h> 8 #define SERVER_PORT 8000 9 int main()10 {11     struct sockaddr_in serveraddr,clientaddr;12     //1,socket()13     //2,bind()14     //3,listen()15     //4,accept()16     char ipstr[128];17     int sockfd,addrlen,confd;18     sockfd=socket(AF_INET,SOCK_STREAM,0);19 20     bzero(&serveraddr,sizeof(serveraddr));21     serveraddr.sin_family=AF_INET;22     serveraddr.sin_addr.s_addr=htonl(INADDR_ANY);23     serveraddr.sin_port=htons(SERVER_PORT);24 25     bind(sockfd,(struct sockaddr *)&serveraddr,sizeof(serveraddr));26 27     listen(sockfd,128);28     while(1){29     addrlen=sizeof(clientaddr);30     confd=accept(sockfd,(struct sockaddr *)&clientaddr,&addrlen);31 32     printf("client ip %s\t port %d\n",inet_ntop(AF_INET,&clientaddr.sin_addr.s_addr,ipstr,sizeof(ipstr)),ntohs(clientaddr.sin_port));33 34     //connet with client35     close(confd);36     }37 38     close(sockfd);39 40     return 0;41 }

 

socket編程server端