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<HTML>
<BODY>
<PRE>
<!-- Manpage converted by man2html 3.0.1 -->
</PRE>
<H2>NAME</H2><PRE>
<B>menu</B> - curses extension for programming menus
</PRE>
<H2>SYNOPSIS</H2><PRE>
<B>#include</B> <B><menu.h></B>
</PRE>
<H2>DESCRIPTION</H2><PRE>
The <B>menu</B> library provides terminal-independent facilities
for composing menu systems on character-cell terminals.
The library includes: item routines, which create and mod-
ify menu items; and menu routines, which group items into
menus, display menus on the screen, and handle interaction
with the user.
The <B>menu</B> library uses the <B>curses</B> libraries, and a curses
initialization routine such as <B>initscr</B> must be called
before using any of these functions. To use the <B>menu</B>
library, link with the options <B>-lmenu</B> <B>-lcurses</B>.
<B>Current</B> <B>Default</B> <B>Values</B> <B>for</B> <B>Item</B> <B>Attributes</B>
The <B>menu</B> library maintains a default value for item
attributes. You can get or set this default by calling
the appropriate <B>get_</B> or <B>set_</B> routine with a <B>NULL</B> item
pointer. Changing this default with a <B>set_</B> function
affects future item creations, but does not change the
rendering of items already created.
<B>Routine</B> <B>Name</B> <B>Index</B>
The following table lists each <B>menu</B> routine and the name
of the manual page on which it is described.
<B>curses</B> Routine Name Manual Page Name
--------------------------------------------
current_item <B><A HREF="mitem_current.3x.html">mitem_current(3x)</A></B>
free_item <B><A HREF="mitem_new.3x.html">mitem_new(3x)</A></B>
free_menu <B><A HREF="menu_new.3x.html">menu_new(3x)</A></B>
item_count <B><A HREF="menu_items.3x.html">menu_items(3x)</A></B>
item_description <B><A HREF="mitem_name.3x.html">mitem_name(3x)</A></B>
item_index <B><A HREF="mitem_current.3x.html">mitem_current(3x)</A></B>
item_init <B><A HREF="menu_hook.3x.html">menu_hook(3x)</A></B>
item_name <B><A HREF="mitem_name.3x.html">mitem_name(3x)</A></B>
item_opts <B><A HREF="mitem_opts.3x.html">mitem_opts(3x)</A></B>
item_opts_off <B><A HREF="mitem_opts.3x.html">mitem_opts(3x)</A></B>
item_opts_on <B><A HREF="mitem_opts.3x.html">mitem_opts(3x)</A></B>
item_term <B><A HREF="menu_hook.3x.html">menu_hook(3x)</A></B>
item_userptr <B><A HREF="mitem_userptr.3x.html">mitem_userptr(3x)</A></B>
item_value <B><A HREF="mitem_value.3x.html">mitem_value(3x)</A></B>
item_visible <B><A HREF="mitem_visible.3x.html">mitem_visible(3x)</A></B>
menu_back <B><A HREF="menu_attributes.3x.html">menu_attributes(3x)</A></B>
menu_driver <B><A HREF="menu_driver.3x.html">menu_driver(3x)</A></B>
menu_fore <B><A HREF="menu_attributes.3x.html">menu_attributes(3x)</A></B>
menu_format <B><A HREF="menu_format.3x.html">menu_format(3x)</A></B>
menu_grey <B><A HREF="menu_attributes.3x.html">menu_attributes(3x)</A></B>
menu_init <B><A HREF="menu_hook.3x.html">menu_hook(3x)</A></B>
menu_items <B><A HREF="menu_items.3x.html">menu_items(3x)</A></B>
menu_mark <B><A HREF="menu_mark.3x.html">menu_mark(3x)</A></B>
menu_opts <B><A HREF="menu_opts.3x.html">menu_opts(3x)</A></B>
menu_opts_off <B><A HREF="menu_opts.3x.html">menu_opts(3x)</A></B>
menu_opts_on <B><A HREF="menu_opts.3x.html">menu_opts(3x)</A></B>
menu_pad <B><A HREF="menu_attributes.3x.html">menu_attributes(3x)</A></B>
menu_pattern <B><A HREF="menu_pattern.3x.html">menu_pattern(3x)</A></B>
menu_request_by_name <B><A HREF="menu_requestname.3x.html">menu_requestname(3x)</A></B>
menu_request_name <B><A HREF="menu_requestname.3x.html">menu_requestname(3x)</A></B>
menu_spacing <B><A HREF="menu_spacing.3x.html">menu_spacing(3x)</A></B>
menu_sub <B><A HREF="menu_win.3x.html">menu_win(3x)</A></B>
menu_term <B><A HREF="menu_hook.3x.html">menu_hook(3x)</A></B>
menu_userptr <B><A HREF="menu_userptr.3x.html">menu_userptr(3x)</A></B>
menu_win <B><A HREF="menu_win.3x.html">menu_win(3x)</A></B>
new_item <B><A HREF="mitem_new.3x.html">mitem_new(3x)</A></B>
new_menu <B><A HREF="menu_new.3x.html">menu_new(3x)</A></B>
pos_menu_cursor <B><A HREF="menu_cursor.3x.html">menu_cursor(3x)</A></B>
post_menu <B><A HREF="menu_post.3x.html">menu_post(3x)</A></B>
scale_menu <B><A HREF="menu_win.3x.html">menu_win(3x)</A></B>
set_current_item <B><A HREF="mitem_current.3x.html">mitem_current(3x)</A></B>
set_item_init <B><A HREF="menu_hook.3x.html">menu_hook(3x)</A></B>
set_item_opts <B><A HREF="mitem_opts.3x.html">mitem_opts(3x)</A></B>
set_item_term <B><A HREF="menu_hook.3x.html">menu_hook(3x)</A></B>
set_item_userptr <B><A HREF="mitem_userptr.3x.html">mitem_userptr(3x)</A></B>
set_item_value <B><A HREF="mitem_value.3x.html">mitem_value(3x)</A></B>
set_menu_back <B><A HREF="menu_attributes.3x.html">menu_attributes(3x)</A></B>
set_menu_fore <B><A HREF="menu_attributes.3x.html">menu_attributes(3x)</A></B>
set_menu_format <B><A HREF="menu_format.3x.html">menu_format(3x)</A></B>
set_menu_grey <B><A HREF="menu_attributes.3x.html">menu_attributes(3x)</A></B>
set_menu_init <B><A HREF="menu_hook.3x.html">menu_hook(3x)</A></B>
set_menu_items <B><A HREF="menu_items.3x.html">menu_items(3x)</A></B>
set_menu_mark <B><A HREF="menu_mark.3x.html">menu_mark(3x)</A></B>
set_menu_opts <B><A HREF="mitem_opts.3x.html">mitem_opts(3x)</A></B>
set_menu_pad <B><A HREF="menu_attributes.3x.html">menu_attributes(3x)</A></B>
set_menu_pattern <B><A HREF="menu_pattern.3x.html">menu_pattern(3x)</A></B>
set_menu_spacing <B><A HREF="menu_spacing.3x.html">menu_spacing(3x)</A></B>
set_menu_sub <B><A HREF="menu_win.3x.html">menu_win(3x)</A></B>
set_menu_term <B><A HREF="menu_hook.3x.html">menu_hook(3x)</A></B>
set_menu_userptr <B><A HREF="menu_userptr.3x.html">menu_userptr(3x)</A></B>
set_menu_win <B><A HREF="menu_win.3x.html">menu_win(3x)</A></B>
set_top_row <B><A HREF="mitem_current.3x.html">mitem_current(3x)</A></B>
top_row <B><A HREF="mitem_current.3x.html">mitem_current(3x)</A></B>
unpost_menu <B><A HREF="menu_post.3x.html">menu_post(3x)</A></B>
</PRE>
<H2>RETURN VALUE</H2><PRE>
Routines that return pointers return <B>NULL</B> on error. Rou-
tines that return an integer return one of the following
error codes:
<B>E_OK</B> The routine succeeded.
<B>E_SYSTEM_ERROR</B>
System error occurred (see <B>errno</B>).
<B>E_BAD_ARGUMENT</B>
Routine detected an incorrect or out-of-range argu-
ment.
<B>E_POSTED</B>
The menu is already posted.
<B>E_BAD_STATE</B>
Routine was called from an initialization or termina-
tion function.
<B>E_NO_ROOM</B>
Menu is too large for its window.
<B>E_NOT_POSTED</B>
The menu has not been posted.
<B>E_UNKNOWN_COMMAND</B>
The menu driver code saw an unknown request code.
<B>E_NO_MATCH</B>
Character failed to match.
<B>E_NOT_SELECTABLE</B>
The designated item cannot be selected.
<B>E_NOT_CONNECTED</B>
No items are connected to the menu.
<B>E_REQUEST_DENIED</B>
The menu driver could not process the request.
</PRE>
<H2>SEE ALSO</H2><PRE>
<B><A HREF="ncurses.3x.html">curses(3x)</A></B> and 3x pages whose names begin "menu_" for
detailed descriptions of the entry points.
</PRE>
<H2>NOTES</H2><PRE>
The header file <B><menu.h></B> automatically includes the header
files <B><curses.h></B> and <B><eti.h></B>.
In your library list, libmenu.a should be before libn-
curses.a; that is, you want to say `-lmenu -lncurses', not
the other way around (which would give you a link error
using GNU <B><A HREF="ld.1.html">ld(1)</A></B> and many other linkers).
</PRE>
<H2>PORTABILITY</H2><PRE>
These routines emulate the System V menu library. They
were not supported on Version 7 or BSD versions.
</PRE>
<H2>AUTHORS</H2><PRE>
Juergen Pfeifer. Manual pages and adaptation for ncurses
by Eric S. Raymond.
</PRE>
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