set_menu_format() sets the maximum number of rows and columns of items that may be displayed at one time on a menu. If the menu contains more items than can be displayed at once, the menu will be scrollable.

menu_format() returns the maximum number of rows and columns that may be displayed at one time on menu. rows and cols are pointers to the variables used to return these values.

set_menu_format() returns one of the following:

E_OK

The routine returned successfully.

E_SYSTEM_ERROR

System error.

E_BAD_ARGUMENT

An incorrect argument was passed to the routine.

E_POSTED

The menu is already posted.

See attributes(5) for descriptions of the following attributes:

curses(3CURSES), menus(3CURSES), attributes(5)

The header <menu.h> automatically includes the headers <eti.h> and <curses.h>.