table of contents
other versions
other sections
field(3FORM) | field(3FORM) |
NAME¶
form_field - make and break connections between fields and formsSYNOPSIS¶
#include <form.h>DESCRIPTION¶
The function set_form_fields changes the field pointer array of the given form. The array must be terminated by a NULL. The function form_fields returns the field array of the given form. The function field_count returns the count of fields in form. The function move_field moves the given field (which must be disconnected) to a specified location on the screen.RETURN VALUE¶
The function form_fields returns a pointer (which may be NULL). It does not set errno. The function field_count returns ERR if the form parameter is NULL. The functions set_form_fields and move_field return one of the following codes on error:- E_OK
- The routine succeeded.
- E_BAD_ARGUMENT
- Routine detected an incorrect or out-of-range argument.
- E_CONNECTED
- The field is already connected to a form.
- E_POSTED
- The form is already posted.
- E_SYSTEM_ERROR
- System error occurred (see errno).