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.

Reading keys from the keyboard buffer
   Procedures that read individual keys from the keyboard buffer.
Reading values from the keyboard buffer
   Procedures that read characters and values from the keyboard buffer.

Reading values from the keyboard buffer
   Input
      Reads values from the keyboard buffer.
   Line Input
      Reads a line of text from the keyboard buffer.
   Input()
      Reads a number of characters from the keyboard buffer, file or 
      device.
   Winput()
      Reads a number of wide characters from the keyboard buffer, file or 
      device.
Reading keys from the keyboard buffer
   Inkey
      Gets the first key, if any, waiting in the keyboard buffer.
   GetKey
      Gets and waits for the first key in the keyboard buffer.

