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form(3FORM)                                                        form(3FORM)

NAME
       form - curses extension for programming forms

SYNOPSIS
       #include <form.h>

DESCRIPTION
       The form library provides terminal-independent facilities for composing
       form screens on character-cell terminals.  The library includes:  field
       routines, which create and modify form fields; and form routines, which
       group fields into forms, display forms on the screen, and handle inter-
       action with the user.

       The  form  library uses the curses libraries.  To use the form library,
       link with the options -lform -lcurses.

       Your program should set up the locale, e.g.,

            setlocale(LC_ALL, "");

       so that input/output processing will work.

       A curses initialization routine such as initscr must be  called  before
       using any of these functions.

   Current Default Values for Field Attributes
       The  form  library maintains a default value for field attributes.  You
       can get or  set  this  default  by  calling  the  appropriate  set_  or
       retrieval  routine  with  a  NULL field pointer.  Changing this default
       with a set_ function affects  future  field  creations,  but  does  not
       change the rendering of fields already created.

   Routine Name Index
       The  following table lists each form routine and the name of the manual
       page on which it is described.

RETURN VALUE
       Routines that return pointers return NULL on error, and  set  errno  to
       the  corresponding  error-code returned by functions returning an inte-
       ger.  Routines that return an integer return one of the following error
       codes:

       E_OK The routine succeeded.

       E_BAD_ARGUMENT
            Routine detected an incorrect or out-of-range argument.

       E_BAD_STATE
            Routine was called from an initialization or termination function.

       E_CONNECTED
            The field is already connected to a form.

       E_INVALID_FIELD
            Contents of a field are not valid.

       E_NOT_CONNECTED
            No fields are connected to the form.

       E_NOT_POSTED
            The form has not been posted.

       E_NO_ROOM
            Form is too large for its window.

       E_POSTED
            The form is already posted.

       E_REQUEST_DENIED
            The form driver could not process the request.

       E_SYSTEM_ERROR
            System error occurred (see errno).

       E_UNKNOWN_COMMAND
            The form driver code saw an unknown request code.

SEE ALSO
       ncurses(3NCURSES) and related  pages  whose  names  begin  "form_"  for
       detailed descriptions of the entry points.

NOTES
       The  header  file  <form.h>  automatically  includes  the  header files
       <curses.h> and <eti.h>.

       In your library list, libform.a should be before libncurses.a; that is,
       you  want  to  say  `-lform -lncurses', not the other way around (which
       would give you a link error using most linkers).

PORTABILITY
       These routines emulate the System V forms library.  They were not  sup-
       ported on Version 7 or BSD versions.

AUTHORS
       Juergen  Pfeifer.   Manual  pages and adaptation for ncurses by Eric S.
       Raymond.

SEE ALSO
       This describes ncurses version 5.7 (patch 20100109).

                                                                   form(3FORM)
 

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Quelle: http://www.trinler.net/de/service/doc/linux/man.html?command=form
Gedruckt am: 11.12.2017 14:06 GMT+0100 (2017-12-11T14:06:19+01:00)