文档介绍：服务器端程序CODE: [Copytoclipboard]--------------------------------------------------------------------------------/*******服务器程序 ()************/#include<>#include<>#include<>#include<>#include<>#>#include<sys/>#inet/>#include<sys/>#include<arpa/>intmain(intargc,char*argv[]){       intsockfd,new_fd;       structsockaddr_inserver_addr;       structsockaddr_inclient_addr;       intsin_size,portnumber;       charhello[]="Hello!AreYouFine?\n";       if(argc!=2)       {               fprintf(stderr,"Usage:%sportnumber\a\n",argv[0]);               exit(1);       }       if((portnumber=atoi(argv[1]))<0)       {               fprintf(stderr,"Usage:%sportnumber\a\n",argv[0]);               exit(1);       }       /*服务器端开始建立socket描述符*/       if((sockfd=socket(,SOCK_STREAM,0))==-1)        {               fprintf(stderr,"Socketerror:%s\n\a",strerror(errno));               exit(1);       }       /*服务器端填充sockaddr结构 */       bzero(&server_addr,sizeof(structsockaddr_in));       =;       =htonl(INADDR_ANY);       =htons(portnumber);       /*捆绑sockfd描述符 */       if(bind(sockfd,(structsockaddr*)(&server_addr),sizeof(structsockaddr))==-1)       {               fprintf(stderr,"Binderror:%s\n\a",strerror(errno));               exit(1);       }       /*监听sockfd描述符 */