基于TCP协议下的Linux网络编程的服务器端和客户端

基于TCP协议下的Linux网络编程的服务器端和客户端客户端：Client.c/***************************************************Name:LinuxClient **Date:2014-11-10 **Author:marksman **Aim:LinuxClientcansendandreceive ** message. ***************************************************/#include<stdio.h>#include<sys/socket.h>#include<netinet/in.h>#include<stdlib.h>#include<memory.h>#include<string.h>intmain(intargc,char*argv[]){ intsocketfd,receive_socket; structsockaddr_ins_add,c_add; unsignedshortportnum=0x22B8; intlen; charbuf[100]; /* *Createthesocket */ if((socketfd=socket(AF_INET,SOCK_STREAM,0))<0) { printf("Socketcreateerror!\n"); exit(1); } /* *settheaddressformat */ bzero(&s_add,sizeof(structsockaddr_in)); s_add.sin_family=AF_INET; s_add.sin_addr.s_addr=inet_addr("127.0.0.1");//changethestringto32-bitinternetbyte. s_add.sin_port=htons(portnum); if(connect(socketfd,(structsockaddr*)(&s_add),sizeof(structsockaddr))<0) { printf("Connectfailure!\n"); return-1; } else printf("ConnectSuccess!\n"); /* *Usingthelooptosendandreceivethemessage. */ while(1) { memset(buf,'\0',100); printf("Inputmessagetosend:"); fgets(buf,100,stdin); len=send(socketfd,buf,strlen(buf)-1,0); if(len<0) { printf("senderror!\n"); exit(1); } else { printf("SendSuccess!sendis:%s\n",buf); } memset(buf,'\0',100); len=recv(socketfd,buf,100,0); if(len<0) { printf("recverror!\n"); exit(1); } elseif(0==len) { printf("clientquit!\n"); exit(1);