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new(3FORM) Library calls new(3FORM)

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:

The routine succeeded.
Routine detected an incorrect or out-of-range argument.
The field is already connected to a form.
System error occurred, e.g., malloc failure.

The function free_form returns one of the following:

The routine succeeded.
Routine detected an incorrect or out-of-range argument.
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.

AUTHORS

Juergen Pfeifer. Manual pages and adaptation for new curses by Eric S. Raymond.

SEE ALSO

ncurses(3NCURSES), form(3FORM)

2024-03-16 ncurses 6.5