free_form3form
Create and destroy forms
Part of new(3form).
Usage
FORM *new_form(FIELD
**fields);
int
free_form(FORM
*form);
Overview
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.
Portability
These routines emulate the System V forms library. They were not supported on Version 7 or BSD versions.
History
- Debian 13 (Trixie): the text shown here
- Debian 12 (Bookworm)
- Debian 11 (Bullseye)
- Debian 10 (Buster)
- Debian 9 (Stretch)
- Debian 8 (Jessie) to Debian 7 (Wheezy)
- Debian 6.0 (Squeeze) to Debian 5.0 (Lenny)
- Debian 4.0 (Etch)
- Debian 3.1 (Sarge)
- Debian 3.0 (Woody)