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form_field_new(3x)

form_field_new(3x)               Library calls              form_field_new(3x)

NAME
       new_field,  dup_field, link_field, free_field - create and destroy form
       fields

SYNOPSIS
       #include <form.h>

       FIELD *new_field(int height, int width,
                        int toprow, int leftcol,
                        int offscreen, int nbuffers);
       FIELD *dup_field(FIELD *field, int toprow, int leftcol);
       FIELD *link_field(FIELD *field, int toprow, int leftcol);
       int free_field(FIELD *field);

DESCRIPTION
       The function new_field allocates a new field and  initializes  it  from
       the  parameters  given: height, width, row of upper-left corner, column
       of upper-left corner, number off-screen rows, and number of  additional
       working buffers.

       The  function dup_field duplicates a field at a new location.  Most at‐
       tributes (including current contents,  size,  validation  type,  buffer
       count,  growth  threshold,  justification,  foreground, background, pad
       character, options, and user pointer) are copied.  Field status and the
       field page bit are not copied.

       The function link_field acts like dup_field, but the new  field  shares
       buffers with its parent.  Attribute data is separate.

       The function free_field de-allocates storage associated with a field.

RETURN VALUE
       The  functions  new_field,  dup_field, link_field return NULL on error.
       They set errno according to their success:

       E_OK The routine succeeded.

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

       E_SYSTEM_ERROR
            System error occurred, e.g., malloc failure.

       The function free_field returns one of the following:

       E_OK The routine succeeded.

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

       E_CONNECTED
            field is connected.

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

       It  may be unwise to count on the set of attributes copied by dup_field
       being portable; the System V forms library documents are not  very  ex‐
       plicit about what gets copied and what does not.

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_new(3x)
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