mitem_new
Section: Miscellaneous Library Functions (3X)
Updated:
Page Index
NAME
new_item,
free_item - create and destroy menu items
SYNOPSIS
#include <menu.h>
ITEM *new_item(const char *name, const char *description);
int free_item(ITEM *item);
DESCRIPTION
The function
new_item allocates a new item and initializes it from the
name and
description pointers.
Please notice that the item stores
only the pointers to the name and description.
Those pointers must be valid
during the lifetime of the item.
So you should be very careful with names
or descriptions allocated on the stack of some routines.
The function
free_item de-allocates an item.
Please notice that it
is the responsibility of the application to release the memory for the
name or the description of the item.
RETURN VALUE
The function
new_item returns
NULL on error.
It sets errno according to the function's failure:
- E_BAD_ARGUMENT
-
Routine detected an incorrect or out-of-range argument.
- E_SYSTEM_ERROR
-
System error occurred, e.g., malloc failure.
The function free_item returns one of the following:
- E_OK
-
The routine succeeded.
- E_BAD_ARGUMENT
-
Routine detected an incorrect or out-of-range argument.
- E_CONNECTED
-
Item is connected to a menu.
- E_SYSTEM_ERROR
-
System error occurred (see errno(3)).
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 supported on
Version 7 or BSD versions.
AUTHORS
Juergen Pfeifer.
Manual pages and adaptation for new curses by Eric S. Raymond.