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form_field_userptr(3X)                                                                form_field_userptr(3X)



NAME
       form_field_userptr - associate application data with a form field

SYNOPSIS
       #include <form.h>
       int set_field_userptr(FIELD *field, void*userptr);
       void *field_userptr(const FIELD *field);

DESCRIPTION
       Every  form  field has a field that can be used to hold application-specific data (that is, the form-driver formdriver
       driver code leaves it alone).  These functions get and set that field.

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

       The function set_field_userptr returns E_OK (success).

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  ver-sions. versions.
       sions.

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

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



                                                                                      form_field_userptr(3X)

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