Revision a70843e600bb25b2a0092a00e822400235579b28 authored by Joshua J. Cogliati on 24 April 2020, 20:30:58 UTC, committed by Joshua J. Cogliati on 24 April 2020, 20:30:58 UTC
1 parent 781fb6a
keyp
KEYP
KEY?
predicate, outputs TRUE if there are characters waiting to be
read from the read stream. If the read stream is a file, this
is equivalent to NOT EOFP. If the read stream is the terminal,
then echoing is turned off and the terminal is set to CBREAK
(character at a time instead of line at a time) mode. It
remains in this mode until some line-mode reading is requested
(e.g., READLIST). The Unix operating system forgets about any
pending characters when it switches modes, so the first KEYP
invocation will always output FALSE.
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