Manual Pages for UNIX Operating System command usage for man item_userptr

Miscellaneous Library Functions                 mitem_userptr(3X)



NAME
     mitem_userptr - associate application data with a menu item

SYNOPSIS
     #include 
     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  automatically includes  the  header
     file .

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.



















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