.\"
.\" Author: Thomas E. Dickey 2003
.\"
-.\" $Id: key_defined.3x,v 1.20 2023/09/16 23:38:39 tom Exp $
-.TH key_defined 3X 2023-09-16 "ncurses 6.4" "Library calls"
+.\" $Id: key_defined.3x,v 1.29 2023/10/07 21:19:07 tom Exp $
+.TH key_defined 3X 2023-10-07 "ncurses 6.4" "Library calls"
.SH NAME
\fB\%key_defined\fP \-
test whether a \fIcurses\fR keycode is defined
.SH SYNOPSIS
-\fB#include <curses.h>\fP
-.sp
-\fBint key_defined(const char *\fIdefinition\fB);\fR
+.nf
+\fB#include <curses.h>
+.PP
+\fBint key_defined(const char *\fIdefinition\fP);
+.fi
.SH DESCRIPTION
-This is an extension to the curses library.
+This is an extension to the \fIcurses\fP library.
It permits an application to determine if a string is currently bound
to any keycode.
.SH RETURN VALUE
If the string conflicts with longer strings
which are bound to keys, \-1 is returned.
.SH PORTABILITY
-This routine is specific to ncurses.
+This routine is specific to \fIncurses\fP.
It was 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
-\fBdefine_key\fP(3X).
+any code depending on them be conditioned using \fB\%NCURSES_VERSION\fP.
.SH AUTHOR
-Thomas Dickey.
+Thomas Dickey
+.SH SEE ALSO
+\fB\%define_key\fP(3X)