SendData
ssize_t SendData(net_buffer* buffer);
return ((L2capEndpoint*)protocol)->SendData(buffer);
status_t SendData(net_buffer* buffer);
return ((TCPEndpoint*)protocol)->SendData(buffer);
status_t SendData(net_buffer* buffer);
return ((UdpEndpoint *)protocol)->SendData(buffer);
ssize_t SendData(const char* buffer, uint32 length);
status_t SendData(int32 code, void* buffer,
status_t SendData(int32 code, void* buffer,