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menu_userptr

Section: Miscellaneous Library Functions (3X)
Updated:
Index Return to Main Contents
 

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

menu_userptr returns a pointer (which may be NULL). It does not set errno.

set_menu_userptr 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.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
SEE ALSO
NOTES
PORTABILITY
AUTHORS


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