set_menu_userptr(), menu_userptr() - associate application data with a menu item
int set_menu_userptr(MENU *menu, char *userptr); char menu_userptr(MENU *menu);
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.
The function menu_userptr(3) returns NULL
The function set_menu_userptr(3) returns one of the following:
The header file <menu.h> automatically includes the header file <curses.h>.
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.