form_post(3X)                                       form_post(3X)

NAME
       form_post  -  write or erase forms from associated subwin-
       dows

SYNOPSIS
       #include <form.h>
       int post_form(FORM *form);
       int unpost_form(FORM *form);

DESCRIPTION
       The function post_form displays a form to  its  associated
       subwindow.   To trigger physical display of the subwindow,
       use  refresh  or  some  equivalent  curses  routine   (the
       implicit  doupdate  triggered  by  an curses input request
       will do).

       The function unpost_form erases form from  its  associated
       subwindow.

RETURN VALUE
       These routines return one of the following:

       E_OK The routine succeeded.

       E_SYSTEM_ERROR
            System error occurred (see errno).

       E_BAD_ARGUMENT
            Routine  detected  an incorrect or out-of-range argu-
            ment.

       E_POSTED
            The form has already been posted.

       E_BAD_STATE
            Routine was called from an initialization or termina-
            tion function.

       E_NO_ROOM
            Form is too large for its window.

       E_NOT_POSTED
            The form has not been posted.

       E_NOT_CONNECTED
            No items are connected to the form.

SEE ALSO
       curses(3X), form(3X).

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.

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