#include #include #include #include #include #include #include #define PORT 8081 #define SERVER_IP "127.0.0.1" int main() { int sockfd; struct sockaddr_in server_address; if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) { perror("Socket creation failed"); exit(EXIT_FAILURE); } printf("enter into program\n"); int flags = fcntl(sockfd, F_GETFL, 0); fcntl(sockfd, F_SETFL, flags | O_NONBLOCK); server_address.sin_family = AF_INET; server_address.sin_port = htons(PORT); inet_pton(AF_INET, SERVER_IP, &server_address.sin_addr); int connect_status; label: connect_status = connect(sockfd, (struct sockaddr *)&server_address, sizeof(server_address)); if (connect_status == 0) { printf("conncetion succcessfully\n"); while(1) { char s[20]; printf("enter the data two send\n"); scanf("%s",s); send(sockfd,s,strlen(s),0); } } else { while (1) { printf("still trying to connect\n"); sleep(1); goto label; } } close(sockfd); return 0; }