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CentOS 7.0 - man page for item_userptr (centos section 3x)

mitem_userptr(3X)										    mitem_userptr(3X)

NAME
mitem_userptr - associate application data with a menu item
SYNOPSIS
#include <menu.h> int set_item_userptr(ITEM *item, void *userptr); void *item_userptr(const ITEM *item);
DESCRIPTION
Every menu item has a field that can be used to hold application-specific data (that is, the menu-driver code leaves it alone). These functions get and set that field.
RETURN VALUE
The function item_userptr returns a pointer (possibly NULL). It does not set errno. The set_item_userptr always returns E_OK (success).
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. The user pointer is a void pointer. We chose not to leave it as a char pointer for SVr4 compatibility.
AUTHORS
Juergen Pfeifer. Manual pages and adaptation for new curses by Eric S. Raymond. mitem_userptr(3X)


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