form_page(3)form_page(3)NAMEform_page - set and get form page number
SYNOPSIS
#include <form.h>
int set_current_field(FORM *form, FIELD *field);
FIELD *current_field(const FORM *);
int set_form_page(FORM *form, int n);
int form_page(const FORM *form);
int field_index(const FIELD *field);
DESCRIPTION
The function set_current field sets the current field of
the given form; current_field returns the current field of
the given form.
The function set_form_page sets the form's page number
(goes to page n of the form).
The function form_page returns the form's current page
number.
The function field_index returns the index of the field in
the field array of the form it is connected to. It returns
ERR if the argument is the null pointer or the field is
not connected.
RETURN VALUE
Except for form_page, each routine returns one of the fol-
lowing:
E_OK The routine succeeded.
E_SYSTEM_ERROR
System error occurred (see errno).
E_BAD_ARGUMENT
Routine detected an incorrect or out-of-range argu-
ment.
E_BAD_STATE
Routine was called from an initialization or termina-
tion function.
E_INVALID_FIELD
Contents of a field are not valid.
E_REQUEST_DENIED
The form driver could not process the request.
SEE ALSOcurses(3), form(3X).
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form_page(3)form_page(3)NOTES
The header file <form.h> automatically includes the header
file <curses.h>.
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.
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