.\"***************************************************************************
-.\" Copyright (c) 1998-2009,2010 Free Software Foundation, Inc. *
+.\" Copyright 2018,2020 Thomas E. Dickey *
+.\" Copyright 1998-2010,2017 Free Software Foundation, Inc. *
.\" *
.\" Permission is hereby granted, free of charge, to any person obtaining a *
.\" copy of this software and associated documentation files (the *
.\"
.\" Author: Thomas E. Dickey 1997
.\"
-.\" $Id: define_key.3x,v 1.14 2010/12/04 18:49:20 tom Exp $
+.\" $Id: define_key.3x,v 1.18 2020/10/24 09:52:54 tom Exp $
.TH define_key 3X ""
.SH NAME
\fBdefine_key\fP \- define a keycode
.SH SYNOPSIS
\fB#include <curses.h>\fP
.sp
-\fBint define_key(const char *definition, int keycode);\fP
+\fBint define_key(const char *\fP\fIdefinition\fP\fB, int \fP\fIkeycode\fP\fB);\fP
.SH DESCRIPTION
This is an extension to the curses library.
It permits an application to define keycodes with their corresponding control
for the given definition is removed.
.SH RETURN VALUE
The keycode must be greater than zero, and the string non-null,
-otherwise ERR is returned.
-ERR may also be returned if there is insufficient memory to allocate the
+otherwise \fBERR\fP is returned.
+\fBERR\fP may also be returned if there is insufficient memory to allocate the
data to store the definition.
-If no error is detected, OK is returned.
+If no error is detected, \fBOK\fP is returned.
.SH PORTABILITY
-These routines are specific to ncurses. They were not supported on
-Version 7, BSD or System V implementations. It is recommended that
+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.
.SH SEE ALSO
\fBkeyok\fR(3X),