table of contents
| new(3MENU) | new(3MENU) |
NAME¶
new_menu, free_menu - create and destroy menusSYNOPSIS¶
#include <menu.h>MENU *new_menu(ITEM **items);
int free_menu(MENU *menu);
DESCRIPTION¶
The function new_menu creates a new menu connected to a specified item pointer array (which must be NULL-terminated).The function free_menu disconnects menu from its item array and frees the storage allocated for the menu.
RETURN VALUE¶
The function new_menu returns NULL on error. It sets errno according to the function's failure:- E_NOT_CONNECTED
- No items are connected to the menu.
- E_SYSTEM_ERROR
- System error occurred, e.g., malloc failure.
The function free_menu 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 has already been posted.