new_form, free_form - create and destroy forms
Contents
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.
Name
new_form, free_form - create and destroy forms
Portability
These routines emulate the System V forms library. They were not supported on Version 7 or BSD versions.
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
ncurses(3NCURSES), form(3FORM) ncurses 6.5 2024-12-28 new(3FORM)
Synopsis
#include<form.h>FORM*new_form(FIELD**fields);intfree_form(FORM*form);
