| HB_KEYPUT() | Put an inkey code to the keyboard buffer. |
| INKEY() | Extracts the next key code from the Harbour keyboard buffer. |
| LASTKEY() | Get the last key extracted from the keyboard buffer. |
| MCOL() | Returns the mouse cursor column position. |
| MROW() | Returns the mouse cursor row position. |
| NEXTKEY() | Get the next key code in the buffer without extracting it. |
| __KEYBOARD() | DO NOT CALL THIS FUNCTION DIRECTLY! |