#include <sys/types.h>#include <sys/socket.h>#include <stdio.h>#include <netinet/in.h>#include <arpa/inet.h>#include <unistd.h>int main(){	int server_sockfd, client_sockfd;	int server_len, client_len;	struct sockaddr_in server_address;	struct sockaddr_in client_address;	server_sockfd = socket(AF_INET, SOCK_STREAM, 0);	server_address.sin_family = AF_INET;	server_address.sin_addr.s_addr = inet_addr("192.168.0.22");	server_address.sin_port = 9734;	server_len = sizeof(server_address);	bind(server_sockfd, (struct sockaddr *)&server_address, server_len);		listen(server_sockfd, 5);	while(1)	{		char str[10];		char str1[10];		int i;		printf("server waiting\n");		client_len = sizeof(client_address);		client_sockfd = accept(server_sockfd, (struct sockaddr *)&client_address, &client_len);		read(client_sockfd, &str[0], 10);		for(i=0; i<10; i++)		{			str1[i]=str[9-i];		}		write(client_sockfd, &str1[0], 10);		close(client_sockfd);	}}