key_defined(3NCURSES) Library calls key_defined(3NCURSES)
NAME
key_defined - test whether a curses function key code is defined
SYNOPSIS
#include <curses.h>
int key_defined(const char * definition);
DESCRIPTION
The key_defined ncurses extension permits a curses application to deter-
mine the function key code, if any, to which the string definition is
bound.
RETURN VALUE
key_defined returns the first key code to which definition is bound if
any exists. If none does, it returns 0. If definition is a prefix of
another binding, key_defined returns -1.
EXTENSIONS
define_key is an ncurses extension.
PORTABILITY
Applications employing ncurses extensions should condition their use on
the visibility of the NCURSES_VERSION preprocessor macro.
AUTHORS
Thomas Dickey
SEE ALSO
ncurses(3NCURSES), define_key(3NCURSES), keybound(3NCURSES),
keyok(3NCURSES)
ncurses 6.5 2024-06-08 key_defined(3NCURSES)
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