201 lines
7.7 KiB
Plaintext
201 lines
7.7 KiB
Plaintext
'\" t
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.\"***************************************************************************
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.\" Copyright (c) 1998,2002 Free Software Foundation, Inc. *
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.\" *
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.\" Permission is hereby granted, free of charge, to any person obtaining a *
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.\" copy of this software and associated documentation files (the *
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.\" "Software"), to deal in the Software without restriction, including *
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.\" without limitation the rights to use, copy, modify, merge, publish, *
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.\" distribute, distribute with modifications, sublicense, and/or sell *
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.\" copies of the Software, and to permit persons to whom the Software is *
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.\" furnished to do so, subject to the following conditions: *
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.\" *
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.\" The above copyright notice and this permission notice shall be included *
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.\" in all copies or substantial portions of the Software. *
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.\" *
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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.\" *
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.\" Except as contained in this notice, the name(s) of the above copyright *
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.\" holders shall not be used in advertising or otherwise to promote the *
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.\" sale, use or other dealings in this Software without prior written *
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.\" authorization. *
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.\"***************************************************************************
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.\"
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.\" $Id: form.3x,v 1.15 2002/01/19 22:48:05 tom Exp $
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.TH form 3X ""
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.SH NAME
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\fBform\fR - curses extension for programming forms
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.SH SYNOPSIS
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\fB#include <form.h>\fR
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.br
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.SH DESCRIPTION
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The \fBform\fR library provides terminal-independent facilities for composing
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form screens on character-cell terminals. The library includes: field
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routines, which create and modify form fields; and form routines, which group
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fields into forms, display forms on the screen, and handle interaction with the
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user.
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The \fBform\fR library uses the \fBcurses\fR libraries, and a curses
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initialization routine such as \fBinitscr\fR must be called before using any of
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these functions. To use the \fBform\fR library, link with the options
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\fB-lform -lcurses\fR.
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.SS Current Default Values for Field Attributes
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The \fBform\fR library maintains a default value for field attributes. You
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can get or set this default by calling the appropriate \fBset_\fR
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or retrieval
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routine with a \fBNULL\fR field pointer. Changing this default with a
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\fBset_\fR function affects future field creations, but does not change the
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rendering of fields already created.
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.SS Routine Name Index
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The following table lists each \fBform\fR routine and the name of
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the manual page on which it is described.
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.TS
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l l
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l l .
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\fBcurses\fR Routine Name Manual Page Name
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=
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current_field \fBform_page\fR(3X)
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data_ahead \fBform_data\fR(3X)
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data_behind \fBform_data\fR(3X)
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dup_field \fBform_field_new\fR(3X)
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dynamic_fieldinfo \fBform_field_info\fR(3X)
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field_arg \fBform_field_validation\fR(3X)
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field_back \fBform_field_attributes\fR(3X)
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field_buffer \fBform_field_buffer\fR(3X)
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field_count \fBform_field\fR(3X)
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field_fore \fBform_field_attributes\fR(3X)
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field_index \fBform_page\fR(3X)
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field_info \fBform_field_info\fR(3X)
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field_init \fBform_hook\fR(3X)
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field_just \fBform_field_just\fR(3X)
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field_opts \fBform_field_opts\fR(3X)
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field_opts_off \fBform_field_opts\fR(3X)
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field_opts_on \fBform_field_opts\fR(3X)
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field_pad \fBform_field_attributes\fR(3X)
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field_status \fBform_field_buffer\fR(3X)
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field_term \fBform_hook\fR(3X)
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field_type \fBform_field_validation\fR(3X)
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field_userptr \fBform_field_userptr\fR(3X)
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form_driver \fBform_driver\fR(3X)
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form_fields \fBform_field\fR(3X)
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form_init \fBform_hook\fR(3X)
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form_opts \fBform_opts\fR(3X)
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form_opts_off \fBform_opts\fR(3X)
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form_opts_on \fBform_opts\fR(3X)
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form_page \fBform_page\fR(3X)
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form_request_by_name \fBform_requestname\fR(3X)
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form_request_name \fBform_requestname\fR(3X)
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form_sub \fBform_win\fR(3X)
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form_term \fBform_hook\fR(3X)
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form_userptr \fBform_userptr\fR(3X)
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form_win \fBform_win\fR(3X)
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free_field \fBform_field_new\fR(3X)
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free_form \fBform_new\fR(3X)
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link_field \fBform_field_new\fR(3X)
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link_fieldtype \fBform_fieldtype\fR(3X)
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move_field \fBform_field\fR(3X)
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new_field \fBform_field_new\fR(3X)
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new_form \fBform_new\fR(3X)
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new_page \fBform_new_page\fR(3X)
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pos_form_cursor \fBform_cursor\fR(3X)
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post_form \fBform_post\fR(3X)
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scale_form \fBform_win\fR(3X)
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set_current_field \fBform_page\fR(3X)
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set_field_back \fBform_field_attributes\fR(3X)
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set_field_buffer \fBform_field_buffer\fR(3X)
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set_field_fore \fBform_field_attributes\fR(3X)
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set_field_init \fBform_hook\fR(3X)
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set_field_just \fBform_field_just\fR(3X)
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set_field_opts \fBform_field_opts\fR(3X)
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set_field_pad \fBform_field_attributes\fR(3X)
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set_field_status \fBform_field_buffer\fR(3X)
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set_field_term \fBform_hook\fR(3X)
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set_field_type \fBform_field_validation\fR(3X)
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set_field_userptr \fBform_field_userptr\fR(3X)
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set_fieldtype_arg \fBform_fieldtype\fR(3X)
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set_fieldtype_choice \fBform_fieldtype\fR(3X)
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set_form_fields \fBform_field\fR(3X)
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set_form_init \fBform_hook\fR(3X)
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set_form_opts \fBform_field_opts\fR(3X)
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set_form_page \fBform_page\fR(3X)
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set_form_sub \fBform_win\fR(3X)
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set_form_term \fBform_hook\fR(3X)
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set_form_userptr \fBform_userptr\fR(3X)
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set_form_win \fBform_win\fR(3X)
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set_max_field \fBform_field_buffer\fR(3X)
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set_new_page \fBform_new_page\fR(3X)
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unpost_form \fBform_post\fR(3X)
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.TE
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.SH RETURN VALUE
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Routines that return pointers return \fBNULL\fR on error. Routines that return
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an integer return one of the following error codes:
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.TP 5
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\fBE_OK\fR
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The routine succeeded.
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.TP 5
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\fBE_CONNECTED\fR
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The field is already connected to a form.
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.TP 5
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\fBE_SYSTEM_ERROR\fR
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System error occurred (see \fBerrno\fR).
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.TP 5
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\fBE_BAD_ARGUMENT\fR
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Routine detected an incorrect or out-of-range argument.
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.TP 5
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\fBE_POSTED\fR
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The form is already posted.
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.TP 5
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\fBE_BAD_STATE\fR
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Routine was called from an initialization or termination function.
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.TP 5
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\fBE_NO_ROOM\fR
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Form is too large for its window.
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.TP 5
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\fBE_NOT_POSTED\fR
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The form has not been posted.
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.TP 5
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\fBE_UNKNOWN_COMMAND\fR
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The form driver code saw an unknown request code.
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.TP 5
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\fBE_INVALID_FIELD\fR
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Contents of a field are not valid.
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.TP 5
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\fBE_NOT_CONNECTED\fR
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No fields are connected to the form.
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.TP 5
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\fBE_REQUEST_DENIED\fR
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The form driver could not process the request.
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.SH SEE ALSO
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\fBcurses\fR(3X) and related pages whose names begin "form_" for detailed
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descriptions of the entry points.
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.SH NOTES
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The header file \fB<form.h>\fR automatically includes the header files
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\fB<curses.h>\fR and \fB<eti.h>\fR.
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In your library list, libform.a should be before libncurses.a; that is,
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you want to say `-lform -lncurses', not the other way around (which would
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give you a link error using GNU \fBld\fR(1) and many other linkers).
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.SH PORTABILITY
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These routines emulate the System V forms library. They were not supported on
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Version 7 or BSD versions.
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.SH AUTHORS
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Juergen Pfeifer. Manual pages and adaptation for ncurses by Eric
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S. Raymond.
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.\"#
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.\"# The following sets edit modes for GNU EMACS
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.\"# Local Variables:
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.\"# mode:nroff
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.\"# fill-column:79
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.\"# End:
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