Description	This unit contains the predefined procedures that deal with handling input on a character-by-character basis. All routines in the Input module are exported unqualified. (This means you can call the entry points directly.)
Entry Points	getch   Gets the next character in the keyboard buffer (procedure with a string (1) argument). hasch   Returns true if there are characters waiting in the keyboard buffer. getchar   Gets the next character in the keyboard buffer (function returning a char). Pause   Waits for a key to be pressed. KeyDown   Detect which keys are currently pressed. Flush   Empty the keyboard buffer.