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getch
— get character
getche
— get and echo character
kbhit
— check for keyboard character
Index of Function Types:
affects &pos
character sets
co-expressions
control structures
file processing
generators
infix operations
keywords
lists, sets and tables
math
metadata
output formatting
pattern matching
prefix operations
records
strings
windows and keyboards
Index of Subsystems:
base
digitcnt.icn
SNOBOL4 functions
base
—
control structures
not
invert failure
Description
not expr : n
not
expr
produces the
&null
if
expr
fails, but
fail
if
expr
succeeds.
Parameters
expr
expression to be evaluated for failure
returns
&null
if
expr
fail
s,
fail
if expression succeeds