How read serial winthout consume byte

[Albuquerster]

Hi!

I have to develop API that when arrive byte by serial communication, only consult the serial without consume byte of serial fifo.
Is it possible?

Thanks,

[Texan40]

look on msdn at COMSAT: https://msdn.microsoft.com/en-us/library/windows/desktop/aa363200(v=vs.85).aspx