?? client.c
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#include<stdio.h>#include<string.h>#include<stdlib.h>#include<sys/socket.h>#include<sys/types.h>#include<netdb.h>#include<netinet/in.h>int main(void){ int client_socket; struct sockaddr_in sever_addr; char rec[100]; bzero(&sever_addr,sizeof(struct sockaddr_in)); sever_addr.sin_family=AF_INET; sever_addr.sin_addr.s_addr=inet_addr("192.168.0.23"); sever_addr.sin_port=htons(7000); if((client_socket=socket(AF_INET,SOCK_STREAM,0))==-1) { printf("socket is error!\n"); exit(1); } if(connect(client_socket,(struct sockaddr*)(&sever_addr),sizeof(struct sockaddr))==-1) { printf("client connect is error!\n"); exit(1); } read(client_socket,rec,100,0); printf("%s\n",rec); printf("receive from server is successful!\n"); write(client_socket,"this is client send",strlen("this is client send")+1,0); printf("send data to server is successful!\n"); close(client_socket); }
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