set_menu_format man page on FreeBSD

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menu_format(3X)						       menu_format(3X)

NAME
       menu_format - set and get menu sizes

SYNOPSIS
       #include <menu.h>
       int set_menu_format(MENU *menu, int rows, int cols);
       void menu_format(const MENU *menu, int *rows, int *cols);

DESCRIPTION
       The function set_menu_format sets the maximum display size of the given
       menu.  If this size is too small to display all menu  items,  the  menu
       will  be made scrollable. If this size is larger than the menus subwin‐
       dow and	the  subwindow	is  too	 small	to  display  all  menu	items,
       post_menu() will fail.

       The  default format is 16 rows, 1 column.  Calling set_menu_format with
       a null menu pointer will change this default.  A	 zero  row  or	column
       argument	 to  set_menu_format is interpreted as a request not to change
       the current value.

       The function menu_format returns the maximum-size constraints  for  the
       given menu into the storage addressed by rows and cols.

RETURN VALUE
       These routines returns one of the following:

       E_OK The routine succeeded.

       E_SYSTEM_ERROR
	    System error occurred (see errno).

       E_BAD_ARGUMENT
	    Routine detected an incorrect or out-of-range argument.

       E_POSTED
	    The menu is already posted.

       E_NOT_CONNECTED
	    No items are connected to the menu.

SEE ALSO
       curses(3X), menu(3X).

NOTES
       The  header  file  <menu.h>  automatically  includes  the  header  file
       <curses.h>.

PORTABILITY
       These routines emulate the System V menu library.  They were  not  sup‐
       ported on Version 7 or BSD versions.

AUTHORS
       Juergen Pfeifer.	 Manual pages and adaptation for new curses by Eric S.
       Raymond.

							       menu_format(3X)
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