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29 .\" Author: Thomas E. Dickey 1997
31 .\" $Id: define_key.3x,v 1.14 2010/12/04 18:49:20 tom Exp $
34 \fBdefine_key\fP \- define a keycode
36 \fB#include <curses.h>\fP
38 \fBint define_key(const char *definition, int keycode);\fP
40 This is an extension to the curses library.
41 It permits an application to define keycodes with their corresponding control
42 strings, so that the ncurses library will interpret them just as it would
43 the predefined codes in the terminfo database.
45 If the given string is null, any existing definition for the keycode is
47 Similarly, if the given keycode is negative or zero, any existing string
48 for the given definition is removed.
50 The keycode must be greater than zero, and the string non-null,
51 otherwise ERR is returned.
52 ERR may also be returned if there is insufficient memory to allocate the
53 data to store the definition.
54 If no error is detected, OK is returned.
56 These routines are specific to ncurses. They were not supported on
57 Version 7, BSD or System V implementations. It is recommended that
58 any code depending on them be conditioned using NCURSES_VERSION.
61 \fBkey_defined\fR(3X).