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form_userptr(3x)

form_userptr(3x)                 Library calls                form_userptr(3x)

NAME
       set_form_userptr, form_userptr - associate application data with a form
       item

SYNOPSIS
       #include <form.h>

       int set_form_userptr(FORM *form, void *userptr);
       void* form_userptr(const FORM *form);

DESCRIPTION
       Every form and every form item has a field that can be used to hold ap‐
       plication-specific  data  (that  is,  the  form-driver  code  leaves it
       alone).  These functions get and set the form user pointer field.

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

       The function set_form_userptr returns E_OK (success).

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

       The user pointer is a void pointer.  We chose not to leave it as a char
       pointer for SVr4 compatibility.

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_userptr(3x)
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