include<sys/types.h>

#include<sys/socket.h>

#include<stdio.h>

#include<sys/un.h>

#include<unistd.h>

#include<stdlib.h>



int main()

{

        int sockfd;

        int len;

        struct sockaddr_un address;

        int result;

        char ch='A';



        sockfd=socket(AF_UNIX,SOCK_STREAM,0);

//给套接字命名

        address.sun_family=AF_UNIX;

        strcpy(address.sun_path,"server_socket");

        len=sizeof(address);



//将套接字连接到服务器

        result=connect(sockfd,(struct sockaddr*)&address,len);



        if(result==-1)

        {

                perror("oops:client1");

                exit(EXIT_FAILURE);

        }

//通过套接字进行读写

        write(sockfd,&ch,1);

        read(sockfd,&ch,1);

        printf("char form server =%c\n",ch);

        close(sockfd);

        exit(EXIT_SUCCESS);



}







服务器程序代码：

#includeisys/types.h>

#include<sys/socket.h>

#include<stdio.h>

#include<sys/un.h>

#include<unistd.h>

#include<stdlib.h>



int main()

{

        int server_sockfd, client_sockfd;

        int server_len,client_len;

        struct sockaddr_un server_address;

        struct sockaddr_un client_address;



//删除以前的套接字，为服务器创建一个未命名的套接字

        unlink("server_socket");

        server_sockfd=socket(AF_UNIX,SOCK_STREAM,0);



//命名套接字

        server_address.sun_family=AF_UNIX;

        strcpy(server_address.sun_path,"server_socket");

        server_len=sizeof(server_address);

        bind(server_sockfd,(struct address*)&server_address,server_len);





        listen(server_sockfd,5);

        while(1)

        {

                char ch;

                printf("server waiting\n");

//接受一个请求

                client_len=sizeof(client_address);

       &nb