NAME¶
form_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 following:
  - E_OK
 
  - The routine succeeded.
 
  - E_BAD_ARGUMENT
 
  - Routine detected an incorrect or out-of-range argument.
 
  - E_BAD_STATE
 
  - Routine was called from an initialization or termination function.
 
  - E_INVALID_FIELD
 
  - Contents of a field are not valid.
 
  - E_REQUEST_DENIED
 
  - The form driver could not process the request.
 
  - E_SYSTEM_ERROR
 
  - System error occurred (see errno).
 
SEE ALSO¶
ncurses(3NCURSES), 
form(3FORM).
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.