User Input (Runtime Library)

Statements and procedures (from runtime library) that get input from the 
user.

Description
	These statements and procedures allow access to the keyboard buffer, and 
	provide ways of getting input from the user.

#READKEYReading keys from the keyboard buffer
	Procedures that read individual keys from the keyboard buffer.
#READVALUEReading values from the keyboard buffer
	Procedures that read characters and values from the keyboard buffer.
#DETECTKEYDetecting key status by keyboard scancode
	Procedure that detects the status of a key by its scancode.

READVALUEReading values from the keyboard buffer
	KeyPgInputInput
		Reads values from the keyboard buffer.
	KeyPgLineinputLine Input
		Reads a line of text from the keyboard buffer.
	KeyPgInputnumInput()
		Reads a number of characters from the keyboard buffer, file or 
		device.
	KeyPgWinputWinput()
		Reads a number of wide characters from the keyboard buffer, file or 
		device.
READVALUEReading keys from the keyboard buffer
	KeyPgInkeyInkey
		Gets the first key, if any, waiting in the keyboard buffer.
	KeyPgGetkeyGetKey
		Gets and waits for the first key in the keyboard buffer.

DETECTKEYDetecting key status by keyboard scancode
	KeyPgMultikeyMultiKey
		Detects the status of a key by its scancode.

