echo udp client1

• echo UDP_client #include #include #include #include #include #include #include #define BUFSIZE 30void error_handling(char *message); int main(int argc, char **argv){int sock;char message[BUFSIZE];int str_len, addr_size; struct sockaddr_in serv_addr;struct sockaddr_in from_addr;int clnt_addr_size; if (argc != 3){printf("Usage : %s \n", argv[0]);exit(1);} sock = socket(PF_INET, SOCK_DGRAM, 0); if (sock == -1)erro.. Security Study/Network 2015. 9. 18.