ex.tar.gz_客户机服务器

/*ex2serv.c*/ #include <time.h> #include <stdio.h> #include <stdlib.h> #include <sys/socket.h> #include <netinet/in.h> #include <netdb.h> #define LISTENQ 5 #define MAXLINE 512 int main() { int listenfd, connfd; socklen_t len; struct sockaddr_in servaddr, cliaddr; char buff[MAXLINE]; time_t ticks; listenfd=socket(AF_INET, SOCK_STREAM,0); if(listenfd<0) { printf("Socket created failed.\n"); return -1; } servaddr.sin_family=AF_INET; servaddr.sin_port=htons(6666); servaddr.sin_addr.s_addr=htonl(INADDR_ANY); if(bind(listenfd, (struct sockaddr *)&servaddr, sizeof(servaddr))<0) { printf("bind failed.\n"); return -1; } printf("listening....\n"); listen(listenfd, LISTENQ); while(1) { len=sizeof(cliaddr); connfd=accept(listenfd,(struct sockaddr *)&cliaddr, &len); printf("connect from %s, port %d \n",inet_ntoa(cliaddr.sin_addr.s_addr),ntohs(cliaddr.sin_port)); ticks=time(NULL); sprintf(buff,"% .24s \r \n",ctime(&ticks)); write(connfd,buff,strlen(buff)); close(connfd); } }