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form_field - make and break connections between fields and forms |
#include <form.h> |
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 move the given field (which must be disconnected) to a specified location on the screen. |
The function form_fields returns NULL on error. The function field_count returns ERR (the general curses error return value) on error. The functions set_form_fields and move_field return one of the following codes on error: |
E_OK |
The routine succeeded. |
E_SYSTEM_ERROR |
System error occurred (see errno). |
E_BAD_ARGUMENT |
Routine detected an incorrect or out-of-range argument. |
E_POSTED |
The form is already posted. |
E_CONNECTED |
The field is already connected to a form. |
curses(3X), form(3X). |
The header file <form.h> automatically includes the header file <curses.h>. |
These routines emulate the System V forms library. They were not supported on Version 7 or BSD versions. The SVr4 forms library documentation specifies the field_count error value as -1 (which is the value of ERR). |
Juergen Pfeifer. Manual pages and adaptation for new curses by Eric S. Raymond. |