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


   #include <form.h>
   bool data_ahead(const FORM *form);
   bool data_behind(const FORM *form);


   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).


   ncurses(3NCURSES), form(3FORM).


   The  header  file  <form.h>  automatically  includes  the  header  file


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


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


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