流式域套接字服务器端实现（TCP）

#include <myhead.h>#define BACKLOG 5
int main(int argc, const char *argv[])
{int oldfd=socket(AF_UNIX,SOCK_STREAM,0);if(oldfd==-1){perror("socket");return -1;}if(access("./server",F_OK)==0){if(unlink("./server")==-1){perror("unlink");return -1;}}struct sockaddr_un ser;ser.sun_family=AF_UNIX;strcpy(ser.sun_path,"./server");if(bind(oldfd,(struct sockaddr *)&ser,sizeof(ser))==-1){perror("bind");return -1;}if(listen(oldfd,BACKLOG)==-1){perror("listen");return -1;}int newfd=accept(oldfd,NULL,NULL);if(newfd==-1){perror("accept");return -1;}char buff[1024];while(1){int len=recv(newfd,buff,sizeof(buff),0);if(len==0){printf("客户端跑了\n");break;}strcat(buff,"/suc");send(newfd,buff,sizeof(buff),0);printf("转发成功\n");}return 0;
}

流式域套接字客户端实现（TCP）

#include <myhead.h>int main(int argc, const char *argv[])
{int oldfd=socket(AF_UNIX,SOCK_STREAM,0);if(oldfd==-1){perror("socket");return -1;}if(access("./clinet",F_OK)==0){if(unlink("./clinet")==-1){perror("unlink");return -1;}}struct sockaddr_un ser;ser.sun_family=AF_UNIX;strcpy(ser.sun_path,"./server");if(connect(oldfd,(struct sockaddr *)&ser,sizeof(ser))==-1)//4、连接服务器{perror("connect");return -1;}char buff[1024];while(1){printf("请输入要发送的信息：");fgets(buff,sizeof(buff),stdin);buff[strlen(buff)-1] = '\0';send(oldfd,buff,sizeof(buff),0);//发送信息printf("发送成功\n");recv(oldfd,buff,sizeof(buff),0);//接收服务器信息printf("接收服务器的信息：%s\n",buff);//输出接收到的信息}return 0;
}