form_opts3form
Set and get form options
Part of opts(3form).
Usage
#include <form.h>
int set_form_opts(FORM *form, Field_Options opts); Field_Options form_opts(const FORM *form);
int form_opts_on(FORM *form, Field_Options opts); int form_opts_off(FORM *form, Field_Options opts);
Overview
The function set_form_opts sets all the given form's option bits (form option bits may be logically “or”-ed together).
The function form_opts_on turns on the given option bits, and leaves others alone.
The function form_opts_off turns off the given option bits, and leaves others alone.
The function form_opts returns the form's current option bits.
The following options are defined (all are on by default):
O_NL_OVERLOAD-
Overload the REQ_NEW_LINE forms driver request so that calling it at the end of a field goes to the next field.
O_BS_OVERLOAD-
Overload the REQ_DEL_PREV forms driver request so that calling it at the beginning of a field goes to the previous field.
Return value
Except for form_opts, each routine returns one of the following:
|
The routine succeeded. |
|---|---|
|
System error occurred (see errno(3)). |
Portability
These routines emulate the System V forms library. They were not supported on Version 7 or BSD versions.
Releases
12 releases since Debian 3.0 (Woody); the text changed 9 times.