form_new
Section: Miscellaneous Library Functions (3X)
Updated:
Page Index
NAME
new_form,
free_form - create and destroy forms
SYNOPSIS
#include <form.h>
FORM *new_form(FIELD **fields);
int free_form(FORM *form);
DESCRIPTION
The function
new_form creates a new form connected to a specified field
pointer array (which must be
NULL-terminated).
The function free_form disconnects form from its field array
and frees the storage allocated for the form.
RETURN VALUE
The function
new_form returns
NULL on error.
It sets errno according to the function's success:
- E_OK
-
The routine succeeded.
- E_BAD_ARGUMENT
-
Routine detected an incorrect or out-of-range argument.
- E_CONNECTED
-
The field is already connected to a form.
- E_SYSTEM_ERROR
-
System error occurred, e.g., malloc failure.
The function free_form returns one of the following:
- E_OK
-
The routine succeeded.
- E_BAD_ARGUMENT
-
Routine detected an incorrect or out-of-range argument.
- E_POSTED
-
The form has already been posted.
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 versions.
AUTHORS
Juergen Pfeifer.
Manual pages and adaptation for new curses by Eric S. Raymond.