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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Terminal-control-Positional-read/Racket/terminal-control-positional-read.rkt Normal file
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#lang racket
(require ffi/unsafe ffi/unsafe/define)
(define-ffi-definer defwin #f)
(defwin GetStdHandle (_fun _int -> _pointer))
(defwin ReadConsoleOutputCharacterA
(_fun _pointer _pointer _uint _uint [len : (_ptr o _uint)] -> _bool))
(define b (make-bytes 1 32))
(and (ReadConsoleOutputCharacterA (GetStdHandle -11) b 1 #x50002)
(printf "The character at 3x6 is <~a>\n" b))