FORM_USERPTR(3CURSES) Curses Library Functions FORM_USERPTR(3CURSES)
form_userptr, set_form_userptr - associate application data with
forms
cc [ flag... ] file... -lform -lcurses [ library... ]
#include <form.h>
int set_form_userptr(FORM *form, char *ptr);
char *form_userptr(FORM *form);
Every form has an associated user pointer that can be used to store
pertinent data. set_form_userptr() sets the user pointer of form.
form_userptr() returns the user pointer of form.
form_userptr() returns NULL on error. set_form_userptr() returns one
of the following:
E_OK
The function returned successfully.
E_SYSTEM_ERROR
System error.
See attributes(7) for descriptions of the following attributes:
+---------------+-----------------+
|ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+---------------+-----------------+
|MT-Level | Unsafe |
+---------------+-----------------+
curses(3CURSES), forms(3CURSES), attributes(7)
The header <form.h> automatically includes the headers <eti.h> and
<curses.h>.
December 31, 1996 FORM_USERPTR(3CURSES)
NAME
form_userptr, set_form_userptr - associate application data with
forms
SYNOPSIS
cc [ flag... ] file... -lform -lcurses [ library... ]
#include <form.h>
int set_form_userptr(FORM *form, char *ptr);
char *form_userptr(FORM *form);
DESCRIPTION
Every form has an associated user pointer that can be used to store
pertinent data. set_form_userptr() sets the user pointer of form.
form_userptr() returns the user pointer of form.
RETURN VALUES
form_userptr() returns NULL on error. set_form_userptr() returns one
of the following:
E_OK
The function returned successfully.
E_SYSTEM_ERROR
System error.
ATTRIBUTES
See attributes(7) for descriptions of the following attributes:
+---------------+-----------------+
|ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+---------------+-----------------+
|MT-Level | Unsafe |
+---------------+-----------------+
SEE ALSO
curses(3CURSES), forms(3CURSES), attributes(7)
NOTES
The header <form.h> automatically includes the headers <eti.h> and
<curses.h>.
December 31, 1996 FORM_USERPTR(3CURSES)