unsigned int m_u32ReconnectCount; // >0 means reconnecting  char buf[1024];
  memset(buf, 0, sizeof(buf));  char *ptr = &buf[0]; // First 10 Bytes are packet header
 *(unsigned int*)ptr = 6 + 42; // Size of Packet Excluding this field
ptr += sizeof(unsigned int);
 *(unsigned char*)ptr = 1; // Number of Message in Packet
ptr += sizeof(unsigned char) * 6;
 *(unsigned short*)ptr = 42; // Size of Message
 ptr += sizeof(unsigned short);
 *(unsigned short*)ptr = 50001; // Type of Message (Logon Message)
  ptr += sizeof(unsigned short);
strcpy(*ptr, "TEST-USER01"); // USER ID with maximum 12 characters
 ptr += sizeof(char) * 12;
ptr += sizeof(char) * 12;
 *(unsigned int*)ptr = 20003; // Version of this API spec
  ptr += sizeof(unsigned int);
 ptr += sizeof(char) * 8;
 if (m_u32ReconnectCount == 0)  {
 *(unsigned short*)ptr = 0; // Bitmap for logon options
 }
else  {
  *(unsigned short*)ptr |= 0x8000; // Bitmap for logon options
}
ptr += sizeof(unsigned short);
int result = send(sock, buf, sizeof(unsigned int) + 6 + 42, 0);
if (result == SOCKET_ERROR)  {
 printf("OCG Socket Send Errorn");
 }
else  {
 printf("OCG Socket Send Successn");
}