SDK Script udpclient.are

/* DESC: This script sends a message to a remote UDP server.
 * Copyright (C) 2012 NetModule AG, Switzerland
 */
 
void usage() 
{
    printf("usage: udpclient.are <server> <port> <msg>\n");
    exit(1);
}
 
if (argc < 4) {
    usage();
}
 
SERVER = argv[1];
PORT = (int) argv[2];
MSG = "";
 
for (i = 3; i < argc; i++)  {
    MSG = strcat(MSG, " ", argv[i]);
}
 
sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (sock < 0) {
    printf("Unable to open socket\n");
    exit(1);
}
 
sent = sendto(sock, MSG, SERVER, PORT);
 
if (sent == strlen(MSG)) {
    printf("Successfully sent message to %s:%d\n", SERVER, PORT);
} else {
    printf("ERROR: Sending failed");
}
 
exit(0);