'\" t
+.\"***************************************************************************
+.\" Copyright (c) 1998-2018,2019 Free Software Foundation, Inc. *
+.\" *
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+.\" copy of this software and associated documentation files (the *
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+.\" copies of the Software, and to permit persons to whom the Software is *
+.\" furnished to do so, subject to the following conditions: *
+.\" *
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+.\" in all copies or substantial portions of the Software. *
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+.\"***************************************************************************
+.\"
+.\" $Id: menu_win.3x,v 1.13 2019/01/20 20:32:23 tom Exp $
.TH menu_win 3X ""
.SH NAME
-\fBmenu_win\fR - make and break menu window and subwindow associations
+\fBmenu_win\fR \- make and break menu window and subwindow associations
.SH SYNOPSIS
\fB#include <menu.h>\fR
.br
int scale_menu(const MENU *menu, int *rows, int *columns);
.br
.SH DESCRIPTION
-Every menu has an associated pair of \fBcurses\fR windows. The menu window
+Every menu has an associated pair of \fBcurses\fR windows.
+The menu window
displays any title and border associated with the window; the menu subwindow
displays the items of the menu that are currently available for selection.
-
-The first four functions get and set those windows. It is not necessary to set
+.PP
+The first four functions get and set those windows.
+It is not necessary to set
either window; by default, the driver code uses \fBstdscr\fR for both.
-
+.PP
In the \fBset_\fR functions, window argument of \fBNULL\fR is treated as though
it were \fBstsdcr\fR. A menu argument of \fBNULL\fR is treated as a request
to change the system default menu window or subwindow.
-
+.PP
The function \fBscale_menu\fR returns the minimum size required for the
-subwindow of \fImenu\fR.
+subwindow of \fImenu\fR.
.SH RETURN VALUE
-Routines that return pointers return \fBNULL\fR on error. Routines that return
+Routines that return pointers return \fBNULL\fR on error.
+Routines that return
an integer return one of the following error codes:
.TP 5
-\fBE_OK\fR
+.B E_OK
The routine succeeded.
.TP 5
-\fBE_SYSTEM_ERROR\fR
-System error occurred (see \fBerrno\fR).
+.B E_SYSTEM_ERROR
+System error occurred (see \fBerrno\fR(3)).
.TP 5
-\fBE_BAD_ARGUMENT\fR
+.B E_BAD_ARGUMENT
Routine detected an incorrect or out-of-range argument.
.TP 5
-\fBE_POSTED\fR
+.B E_POSTED
The menu has already been posted.
.TP 5
-\fBE_NOT_CONNECTED\fR
+.B E_NOT_CONNECTED
No items are connected to the menu.
.SH SEE ALSO
-\fBcurses\fR(3X), \fBmenu\fR(3X).
+\fBcurses\fR(3X),
+\fBcurs_variables\fR(3X),
+\fBmenu\fR(3X).
.SH NOTES
The header file \fB<menu.h>\fR automatically includes the header file
\fB<curses.h>\fR.
.SH PORTABILITY
-These routines emulate the System V menu library. They were not supported on
+These routines emulate the System V menu library.
+They were not supported on
Version 7 or BSD versions.
.SH AUTHORS
-Juergen Pfeifer. Manual pages and adaptation for new curses by Eric
-S. Raymond.
-.\"#
-.\"# The following sets edit modes for GNU EMACS
-.\"# Local Variables:
-.\"# mode:nroff
-.\"# fill-column:79
-.\"# End:
+Juergen Pfeifer.
+Manual pages and adaptation for new curses by Eric S. Raymond.