form_opts_on3x
Set and get form options
Part of form_opts(3x).
Usage
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:
E_OK-
The routine succeeded.
E_SYSTEM_ERROR-
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.