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▀ If a CTRL+C is detected, an Int 23H is executed.
 
▀ If the standard input is not redirected, and a CTRL+C is detected at
  the console, an Int 23H is executed. If the standard input is redi-
  rected, a CTRL+C is detected at the console, and BREAK is ON, an Int
  23H is executed.
 
▀ If a character is waiting, this function will continue to return a true
  flag until the character is consumed with a call to Int 21H Function 01H,
  06H, 07H, 08H, 0AH, or 3FH.
 
▀ This function is equivalent to IOCTL Int 21H Function 44H Subfunction 06H.
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