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#include<netinet/in.h> //for sockaddr_in #include<sys/types.h> //for socket #include<sys/socket.h> //for socket #include<stdio.h> //for printf #include<stdlib.h> //for ext #include<string.h> //for bzero
int main(int argc,char *argv[]) { int sock_fd; char rbuf[200],sbuf[200]; struct sockaddr_in serv_addr; serv_addr.sin_family=AF_INET; serv_addr.sin_port=htons(6621); serv_addr.sin_addr.s_addr=htons(INADDR_ANY); bzero(&(serv_addr.sin_zero),8); sock_fd=socket(AF_INET,SOCK_STREAM,0);
connect(sock_fd,(struct sockaddr*)&serv_addr,sizeof(struct sockaddr)); while(1) {
int recvhow=recv(sock_fd,rbuf,200,0); rbuf[recvhow]='\0'; /* if(rbuf[0]=='#') break; else { printf("server says:\t%s",rbuf); bzero(rbuf,200); */ gets(sbuf); printf("%s",sbuf); send(sock_fd,"hello world!",strlen(sbuf),0); // } }
close(sock_fd); return 0; }
#include<netinet/in.h> //for sockaddr_in #include<sys/types.h> //for socket #include<sys/socket.h> //for socket #include<stdio.h> //for printf #include<stdlib.h> //for ext #include<string.h> //for bzero
int main(int argc,char *argv) { char rbuf[200]; char sbuf[200]; int server_socket,new_socket; struct sockaddr_in server_addr; bzero(&server_addr,sizeof(server_addr)); server_addr.sin_family=AF_INET; server_addr.sin_addr.s_addr=htonl(INADDR_ANY); server_addr.sin_port=htons(6621); bzero(&(server_addr.sin_zero),8); server_socket=socket(AF_INET,SOCK_STREAM,0);
if(server_socket<0) { printf("Failed to create Socket!\n"); exit(1); }
if( bind(server_socket,(struct sockaddr*)&server_addr,sizeof(server_addr))== -1 ) { printf("Faild to bind!\n"); exit(1); }
if( listen(server_socket,20)==-1) { printf("Failed to listen!\n"); exit(1); } while(1) { struct sockaddr_in client_addr; int sin_size=sizeof(client_addr); new_socket=accept(server_socket,(struct sockaddr*)&client_addr,&sin_size);
if(new_socket==-1) { printf("Failed to accept!\n"); break; }
int num=recv(new_socket,rbuf,200,0); rbuf[num]='\0'; /* if(rbuf[0]=='#') break; else {*/ printf("client says:\t%s",rbuf); /*bzero(rbuf,200); gets(sbuf); printf("%s",sbuf); send(new_socket,sbuf,strlen(sbuf),0); }*/ } close(new_socket); close(server_socket); return 0; }
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