form_userptr (3) ( Linux man: Библиотечные вызовы )
NAME
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
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).
