set_field_userptr, field_userptr - associate application data with a form field

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

       Every form field 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 that field.

set_field_userptr, field_userptr - associate application data with a form field

       These routines emulate the System V forms library.  They were not supported 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.

       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).

ncurses(3NCURSES), form(3FORM)

ncurses 6.5                                        2024-12-28                               field_userptr(3FORM)

#include<form.h>intset_field_userptr(FIELD*field,void*userptr);void*field_userptr(constFIELD*field);