data_ahead(3form)

data_ahead3form

Test for off-screen data in given forms

Part of data(3form).

Usage

#include <form.h>

bool data_ahead(const FORM *form); bool data_behind(const FORM *form);

Overview

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).

Portability

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

Releases

12 releases since Debian 3.0 (Woody); the text changed 8 times.

  1. 3.0
  2. 3.1
  3. 4.0–6.0
  4. 7–8
  5. 9
  6. 10
  7. 11
  8. 12
  9. 13

Authors

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

From ncurses-doc 6.5+20250216-2 in Debian 13 (Trixie). Parsed by carta from the page's man source.