int len=48;
int retcode = sendto(sockfd, (char *) msg, len, 0, &cliaddr, servlen);
if (retcode < 0) {
- printf("sendto() failed: %d", retcode);
+ printf("sendto() failed: %d\n", retcode);
return -3;
}
retcode = select(sockfd + 1, &fdset, NULL, NULL, &timeout);
if (retcode <= 0) {
- printf("recvfrom() error");
+ printf("recvfrom() error\n");
return -4;
}