cc [ flag ... ] file ... -lpanel -lcurses [ library .. ] #include <panel.h>
Each panel has a user pointer available for maintaining relevant information.
set_panel_userptr() sets the user pointer of panel to ptr.
panel_userptr() returns the user pointer of panel.
set_panel_userptr returns OK if successful, ERR otherwise.
panel_userptr returns NULL if there is no user pointer assigned to panel.
See attributes(5) for descriptions of the following attributes:
curses(3CURSES), panels(3CURSES), attributes(5)
The header <panel.h> automatically includes the header <curses.h>.
