// C code:
int net_send_packet(int sd, rc_packet *packet)
{
    int len;
    int total = 0;        /* how many bytes we've sent */
    int bytesleft;        /* how many we have left to send */
    int ret = -1;

    bytesleft = len = packet->size + sizeof(int);

    while(total < len)
    {
        ret = send(sd, (char *) packet + total, bytesleft, 0);
        if(ret == -1) { break; }
        total += ret;
        bytesleft -= ret;
    }

    /* return -1 on failure, 0 on success */
    return ret == -1 ? -1 : 1;
}

// Java code:
boolean sendPacket(Packet p)
{
	try
	{
		// writer = new DataOutputStream(sock.getOutputStream()); //defined in class constructor
		writer.writeInt(p.size);
		writer.writeInt(p.id);
		writer.writeInt(p.cmd);
		writer.write(p.data);
		writer.flush();
		} catch (Exception e)
		{
			Util.printToConsole(e.getMessage());
			e.printStackTrace();
			return false;
		}
	return true;
}