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userptr(3FORM)                                                  userptr(3FORM)

NAME
       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
       application-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).

SEE ALSO
       ncurses(3NCURSES), form(3FORM).

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 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.

                                                                userptr(3FORM)
 

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Quelle: http://www.trinler.net/de/service/doc/linux/man.html?command=form_userptr
Gedruckt am: 15.12.2017 22:37 GMT+0100 (2017-12-15T22:37:11+01:00)