Provided by: ncurses-doc_6.1-1ubuntu1.18.04.1_all
NAME
data_ahead, data_behind - test for off-screen data in given forms
SYNOPSIS
#include <form.h> bool data_ahead(const FORM *form); bool data_behind(const FORM *form);
DESCRIPTION
The function data_ahead tests whether there is off-screen data ahead in the given form. It returns TRUE (1) or FALSE (0). The function data_behind tests whether there is off-screen data behind in the given form. It returns TRUE (1) or FALSE (0).
SEE ALSO
ncurses(3NCURSES), form(3FORM).
NOTES
The header file <form.h> automatically includes the header file <curses.h>.
PORTABILITY
These routines emulate the System V forms library. They were not supported on Version 7 or BSD versions.
AUTHORS
Juergen Pfeifer. Manual pages and adaptation for new curses by Eric S. Raymond. data(3FORM)