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# *** c++ exampel ***

    typedef struct _PAKET_INFO {
        int Command;
        int Buffersize;
    } PAKET_INFO, *PPAKET_INFO;

    const int COMMAND_HANDSHAKE    = 0x646980;
    char *Paket = "test123";
    PAKET_INFO pi;
    pi.Command      = COMMAND_HANDSHAKE;
    pi.Buffersize   = strlen(Paket);

    send( ConnectSocket, (char *)&pi, sizeof(pi), 0 );
    send( ConnectSocket, Paket, pi.Buffersize, 0 );

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# Python 2.7
class PAKET_INFO(Structure):
    _fields_ = [
    ("Command",  DWORD),
    ("Buffersize",     DWORD)]

COMMAND_HANDSHAKE    = 0x646980;
Paket = "test123"
si = PAKET_INFO()
si.Command = COMMAND_HANDSHAKE    
si.Buffersize = len(Paket)


#send( ConnectSocket, (char *)&pi, sizeof(pi), 0 ); #//  c++
Socket.send(???) '# ???

#send( ConnectSocket, Paket, pi.Buffersize, 0 ); #//  c++
Socket.send(Paket)

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import struct

COMMAND_HANDSHAKE    = 0x646980;
paket = "test123"
socket.sendall(struct.pack("<ii", COMMAND_HANDSHAKE, len(paket)) + paket)

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reader = socket.makefile('rb')
command, length = struct.unpack("<ii", reader.read(8))
paket = reader.read(length)