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137 lines
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HTML
137 lines
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<PRE>
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<!-- Manpage converted by man2html 3.0.1 -->
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</PRE>
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<H2>NAME</H2><PRE>
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<B>menu_hook</B> - set hooks for automatic invocation by applica-
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tions
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</PRE>
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<H2>SYNOPSIS</H2><PRE>
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<B>#include</B> <B><menu.h></B>
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int set_item_init(MENU *menu, void (*func)(MENU *));
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void (*)(MENU *) item_init(const MENU *menu);
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int set_item_term(MENU *menu, void (*func)(MENU *));
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void (*)(MENU *) item_term(const MENU *menu);
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int set_menu_init(MENU *menu, void (*func)(MENU *));
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void (*)(MENU *) menu_init(const MENU *menu);
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int set_menu_term(MENU *menu, void (*func)(MENU *));
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void (*)(MENU *) menu_term(const MENU *menu);
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</PRE>
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<H2>DESCRIPTION</H2><PRE>
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These functions make it possible to set hook functions to
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be called at various points in the automatic processing of
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input event codes by <B>menu_driver</B>.
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The function <B>set_item_init</B> sets a hook to be called at
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menu-post time and each time the selected item changes
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(after the change). <B>item_init</B> returns the current item
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init hook, if any (<B>NULL</B> if there is no such hook).
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The function <B>set_item_term</B> sets a hook to be called at
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menu-unpost time and each time the selected item changes
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(before the change). <B>item_term</B> returns the current item
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term hook, if any (<B>NULL</B> if there is no such hook).
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The function <B>set_menu_init</B> sets a hook to be called at
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menu-post time and just after the top row on the menu
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changes once it is posted. <B>menu_init</B> returns the current
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menu init hook, if any (<B>NULL</B> if there is no such hook).
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The function <B>set_menu_term</B> sets a hook to be called at
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menu-unpost time and just before the top row on the menu
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changes once it is posted. <B>menu_term</B> returns the current
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menu term hook, if any (<B>NULL</B> if there is no such hook).
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</PRE>
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<H2>RETURN VALUE</H2><PRE>
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Routines that return pointers return <B>NULL</B> on error. Other
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routines return one of the following:
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<B>E_OK</B> The routine succeeded.
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<B>E_SYSTEM_ERROR</B>
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System error occurred (see <B>errno</B>).
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</PRE>
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<H2>SEE ALSO</H2><PRE>
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<B><A HREF="ncurses.3x.html">curses(3x)</A></B>, <B><A HREF="menu.3x.html">menu(3x)</A></B>.
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</PRE>
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<H2>NOTES</H2><PRE>
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The header file <B><menu.h></B> automatically includes the header
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file <B><curses.h></B>.
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</PRE>
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<H2>PORTABILITY</H2><PRE>
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These routines emulate the System V menu library. They
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were not supported on Version 7 or BSD versions.
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</PRE>
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<H2>AUTHORS</H2><PRE>
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Juergen Pfeifer. Manual pages and adaptation for new
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curses by Eric S. Raymond.
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</PRE>
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<HR>
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<ADDRESS>
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Man(1) output converted with
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<a href="http://www.oac.uci.edu/indiv/ehood/man2html.html">man2html</a>
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