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form_field(3x)

form_field(3x)                   Library calls                  form_field(3x)

NAME
       form_field - make and break connections between fields and forms

SYNOPSIS
       #include <form.h>

       int set_form_fields(FORM *form, FIELD **fields);
       FIELD **form_fields(const FORM *form);
       int field_count(const FORM *form);
       int move_field(FIELD *field, int frow, int fcol);

DESCRIPTION
       The  function  set_form_fields  changes  the field pointer array of the
       given form.  The array must be terminated by a NULL.

       The function form_fields returns the field array of the given form.

       The function field_count returns the count of fields in form.

       The function move_field moves the given field (which  must  be  discon‐
       nected) to a specified location on the screen.

RETURN VALUE
       The  function  form_fields  returns  a pointer (which may be NULL).  It
       does not set errno.

       The function field_count returns ERR if the form parameter is NULL.

       The functions set_form_fields and move_field return one of the  follow‐
       ing codes on error:

       E_OK The routine succeeded.

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

       E_CONNECTED
            The field is already connected to a form.

       E_POSTED
            The form is already posted.

       E_SYSTEM_ERROR
            System error occurred (see errno(3)).

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

       The SVr4 forms library documentation specifies  the  field_count  error
       value as -1 (which is the value of ERR).

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


ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:

       box; cbp-1 | cbp-1 l | l .  ATTRIBUTE TYPE ATTRIBUTE VALUE = Availabil‐
       ity   library/ncurses = Stability Uncommitted

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



NOTES
       Source  code  for open source software components in Oracle Solaris can
       be found at https://www.oracle.com/downloads/opensource/solaris-source-
       code-downloads.html.

       This software was built from source available at:
       https://github.com/oracle/solaris-userland

       The original community source was downloaded from:
       https://invisible-mirror.net/archives/ncurses/cur‐
       rent/ncurses-6.5-20250614.tgz

       Further information about this software can be found on the open source
       community website at https://invisible-island.net/ncurses/.

ncurses 6.5                       2024-12-28                    form_field(3x)
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