?? server.c
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#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); }}
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