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page(3form)


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.

                                                               page(3FORM)



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