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<H1 class="no-header">menu_pattern 3x 2024-12-28 ncurses 6.6 Library calls</H1>
<PRE>
<STRONG><A HREF="menu_pattern.3x.html">menu_pattern(3x)</A></STRONG> Library calls <STRONG><A HREF="menu_pattern.3x.html">menu_pattern(3x)</A></STRONG>
</PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
<STRONG>set_menu_pattern</STRONG>, <STRONG>menu_pattern</STRONG> - set and get a menu's pattern buffer
</PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
<STRONG>#include</STRONG> <STRONG><menu.h></STRONG>
<STRONG>int</STRONG> <STRONG>set_menu_pattern(MENU</STRONG> <STRONG>*</STRONG><EM>menu</EM><STRONG>,</STRONG> <STRONG>const</STRONG> <STRONG>char</STRONG> <STRONG>*</STRONG><EM>pattern</EM><STRONG>);</STRONG>
<STRONG>char</STRONG> <STRONG>*menu_pattern(const</STRONG> <STRONG>MENU</STRONG> <STRONG>*</STRONG><EM>menu</EM><STRONG>);</STRONG>
</PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
Every menu has an associated pattern match buffer. As input events
that are printable characters come in, they are appended to this match
buffer and tested for a match, as described in <STRONG><A HREF="menu_driver.3x.html">menu_driver(3x)</A></STRONG>.
The function <STRONG>set_menu_pattern</STRONG> sets the pattern buffer for the given
menu and tries to find the first matching item. If it succeeds, that
item becomes current; if not, the current item does not change.
The function <STRONG>menu_pattern</STRONG> returns the pattern buffer of the given <EM>menu</EM>.
</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
The function <STRONG>menu_pattern</STRONG> returns a pointer, which is <EM>NULL</EM> if the <EM>menu</EM>
parameter is <EM>NULL</EM>. Otherwise, it is a pointer to a string which is
empty if no pattern has been set. It does not set <STRONG>errno</STRONG>.
The function <STRONG>set_menu_pattern</STRONG> may return the following error codes:
<STRONG>E_OK</STRONG> The routine succeeded.
<STRONG>E_BAD_ARGUMENT</STRONG>
Routine detected an incorrect or out-of-range argument.
<STRONG>E_BAD_STATE</STRONG>
Routine was called from an initialization or termination function.
<STRONG>E_NOT_CONNECTED</STRONG>
No items are connected to menu.
<STRONG>E_NO_MATCH</STRONG>
Character failed to match.
<STRONG>E_SYSTEM_ERROR</STRONG>
System error occurred (see <STRONG>errno(3)</STRONG>).
</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
These routines emulate the System V menu library. They were not
supported on Version 7 or BSD versions.
</PRE><H2><a name="h2-AUTHORS">AUTHORS</a></H2><PRE>
Juergen Pfeifer. Manual pages and adaptation for new curses by Eric S.
Raymond.
</PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
<STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="menu.3x.html">menu(3x)</A></STRONG>
ncurses 6.6 2024-12-28 <STRONG><A HREF="menu_pattern.3x.html">menu_pattern(3x)</A></STRONG>
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