cc [ flag ... ] file ... -lform -lcurses [ library .. ] #include <form.h>
data_ahead() returns TRUE (1) if the current field has more off-screen data ahead; otherwise it returns FALSE (0).
data_behind() returns TRUE (1) if the current field has more off-screen data behind; otherwise it returns FALSE (0).
See attributes(5) for descriptions of the following attributes:
curses(3CURSES), forms(3CURSES), attributes(5)
The header <form.h> automatically includes the headers <eti.h> and <curses.h>.