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OpenDarwin 7.2.1 - man page for menu_userptr (opendarwin section 3x)

menu_userptr(3X)										     menu_userptr(3X)

NAME
menu_userptr - associate application data with a menu item
SYNOPSIS
#include <menu.h> int set_menu_userptr(MENU *menu, void *userptr); void *menu_userptr(const MENU *menu);
DESCRIPTION
Every menu and 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 the menu user pointer field.
RETURN VALUE
Except for menu_userptr (which returns NULL on error), each function returns one of the following: E_OK The routine succeeded. E_SYSTEM_ERROR System error occurred (see errno).
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 should be a void pointer. We leave it as a char pointer for SVr4 compatibility.
AUTHORS
Juergen Pfeifer. Manual pages and adaptation for new curses by Eric S. Raymond. menu_userptr(3X)


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