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Man Pages


Manual Reference Pages  -  KEY_DEFINED (3)

NAME

key_defined - check if a keycode is defined

CONTENTS

Synopsis
Description
Return Value
Portability
See Also
Author

SYNOPSIS

#include <curses.h>

int key_defined(const char *definition);

DESCRIPTION

This is an extension to the curses library. It permits an application to determine if a string is currently bound to any keycode.

RETURN VALUE

If the string is bound to a keycode, its value (greater than zero) is returned. If no keycode is bound, zero is returned. If the string conflicts with longer strings which are bound to keys, -1 is returned.

PORTABILITY

These routines are specific to ncurses. They were not supported on Version 7, BSD or System V implementations. It is recommended that any code depending on them be conditioned using NCURSES_VERSION.

SEE ALSO

define_key(3X).

AUTHOR

Thomas Dickey.
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