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GetKeyboardState     Get Status of All 256 Virtual Keys

void GetKeyboardState(lpKeyState)
LPSTR lpKeyState; /* 256 byte buffer */


Returns:        256 bytes in the following format, one for each virtual
                key.

                 msb                                lsb
                +------------------   ------------------+
                |    |          Undefined          |    |
                +------------------   ------------------+
                  |                                  |
                +-------------+     +--------------------------------+
                | 1 = Key Down|     |1 = Pressed odd number of times |
                | 0 = Key Up  |     |0 = Pressed odd number of times |
                +-------------+     +--------------------------------+