gistfile1.txt

while(1) {
		addr_len = sizeof(their_addr);
		numbytes = recvfrom(sockfd,
							buf,
							MAXBUFLEN-1,
							0,
							(struct sockaddr *)&their_addr,
							&addr_len);
		if(numbytes == -1) {
			//perror("recvfrom");
			//exit(1);
			continue;
		}
	
		printf("listener: got packet from %s ",
			inet_ntop(their_addr.ss_family,
				get_in_addr((struct sockaddr *)&their_addr),s,sizeof(s) ));
		printf("%d bytes ",numbytes);
		buf[numbytes] = '\0';
		printf("containing \"%s\"\n",buf);

		
		printf("Replying with: \"%s\"\n",buf);

		numbytes = sendto(sockfd,
							buf,
							strlen(buf),
							0,
							(struct sockaddr *)&their_addr,
							addr_len);
		if(numbytes == -1) {
			perror("replying: ");
		}

		usleep(166667);
	}