data_ahead, data_behind - test for off-screen data in given forms

       Juergen Pfeifer.  Manual pages and adaptation for new curses by Eric S. Raymond.

       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).

data_ahead, data_behind - test for off-screen data in given forms

       These routines emulate the System V forms library.  They were not supported on Version 7 or BSD versions.

ncurses(3NCURSES), form(3FORM)

ncurses 6.5                                        2024-03-16                                        data(3FORM)

#include<form.h>booldata_ahead(constFORM*form);booldata_behind(constFORM*form);