404 lines
8.5 KiB
C
404 lines
8.5 KiB
C
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/*-
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)api.h 8.1 (Berkeley) 6/6/93
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*/
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/*
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* This file contains header information used by the PC API routines.
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*/
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#if !defined(MSDOS)
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#define far /* For 'far *' checks */
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#endif /* !defined(MSDOS) */
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#define API_INTERRUPT_NUMBER 0x7A /* API Interrupt Number */
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/*
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* Define the gate numbers. These are returned via the Name Resolution
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* service.
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*/
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#define GATE_SESSMGR 1234
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#define GATE_KEYBOARD 5678
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#define GATE_COPY 9101
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#define GATE_OIAM 1121
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/*
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* The names which correspond to the above gate numbers.
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*/
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#define NAME_SESSMGR "SESSMGR "
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#define NAME_KEYBOARD "KEYBOARD"
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#define NAME_COPY "COPY "
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#define NAME_OIAM "OIAM "
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/*
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* Name Resolution is specified in AH.
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*/
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#define NAME_RESOLUTION 0x81
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#if defined(unix)
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/*
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* In unix, we offer a service to allow the application to keep from
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* having to poll us constantly.
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*/
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#define PS_OR_OIA_MODIFIED 0x99
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#endif /* defined(unix) */
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/*
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* Codes specified in AL for various services.
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*/
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#define QUERY_SESSION_ID 0x01
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#define QUERY_SESSION_PARAMETERS 0x02
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#define QUERY_SESSION_CURSOR 0x0b
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#define CONNECT_TO_KEYBOARD 0x01
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#define DISCONNECT_FROM_KEYBOARD 0x02
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#define WRITE_KEYSTROKE 0x04
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#define DISABLE_INPUT 0x05
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#define ENABLE_INPUT 0x06
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#define COPY_STRING 0x01
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#define READ_OIA_GROUP 0x02
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/*
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* For each service, we define the assoicated parameter blocks.
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*/
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/*
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* Supervisor Services
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*/
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typedef struct {
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char gate_name[8];
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} NameResolveParms;
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/*
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* Session Information Services
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*/
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typedef struct {
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char
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short_name,
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type,
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session_id,
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reserved,
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long_name[8];
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} NameArrayElement;
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typedef struct {
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unsigned char
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length,
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number_matching_session;
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NameArrayElement
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name_array_element; /* Variable number */
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} NameArray;
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typedef struct {
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char
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rc,
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function_id,
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option_code,
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data_code;
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NameArray far
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*name_array;
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char
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long_name[8];
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} QuerySessionIdParms;
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#define ID_OPTION_BY_NAME 0x01 /* By short (or long) name */
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#define ID_OPTION_ALL 0x00 /* All (of specified type */
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typedef struct {
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char
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rc,
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function_id,
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session_id,
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reserved,
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session_type,
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session_characteristics,
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rows,
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columns;
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char far
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*presentation_space;
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} QuerySessionParametersParms;
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#define TYPE_WSCTL 0x01 /* Work Station Control */
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#define TYPE_DFT 0x02 /* DFT Host Session */
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#define TYPE_CUT 0x03 /* CUT Host Session */
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#define TYPE_NOTEPAD 0x04 /* Notepad Session */
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#define TYPE_PC 0x05 /* Personal Computer Session */
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#define CHARACTERISTIC_EAB 0x80 /* Extended Attribute Buffer */
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#define CHARACTERISTIC_PSS 0x40 /* Program Symbols Supported */
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typedef struct {
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char
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rc,
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function_id,
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session_id,
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cursor_type,
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row_address, /* from 0 */
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column_address; /* from 0 */
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} QuerySessionCursorParms;
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#define CURSOR_INHIBITED_AUTOSCROLL 0x10
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#define CURSOR_INHIBITED 0x04
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#define CURSOR_BLINKING 0x02
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#define CURSOR_BOX 0x01
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typedef struct {
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char
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rc,
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function_id,
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session_id,
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reserved;
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short
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event_queue_id,
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input_queue_id;
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char
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intercept_options,
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first_connection_identifier;
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} ConnectToKeyboardParms;
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typedef struct {
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char
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rc,
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function_id,
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session_id,
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reserved;
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short
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connectors_task_id;
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} DisconnectFromKeyboardParms;
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typedef struct {
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unsigned char
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scancode,
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shift_state;
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} KeystrokeEntry;
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typedef struct {
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short
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length; /* Length (in bytes) of list */
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KeystrokeEntry keystrokes; /* Variable size */
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} KeystrokeList;
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typedef struct {
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char
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rc,
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function_id,
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session_id,
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reserved;
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short
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connectors_task_id;
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char
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options,
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number_of_keys_sent;
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union {
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KeystrokeEntry
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keystroke_entry;
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KeystrokeList far
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*keystroke_list;
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} keystroke_specifier;
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} WriteKeystrokeParms;
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#define OPTION_SINGLE_KEYSTROKE 0x20
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#define OPTION_MULTIPLE_KEYSTROKES 0x30
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typedef struct {
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char
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rc,
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function_id,
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session_id,
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reserved;
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short
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connectors_task_id;
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} DisableInputParms;
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typedef DisableInputParms EnableInputParms;
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typedef struct {
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char
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session_id,
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reserved;
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char far
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*buffer;
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char
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characteristics,
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session_type;
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short
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begin; /* Offset within buffer */
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} BufferDescriptor;
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typedef struct {
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char
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rc,
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function_id;
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BufferDescriptor
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source;
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short
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source_end; /* Offset within source buffer */
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BufferDescriptor
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target;
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char
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copy_mode,
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reserved;
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} CopyStringParms;
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#define COPY_MODE_7_COLOR 0x80 /* Else 4 color mode */
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#define COPY_MODE_FIELD_ATTRIBUTES 0x40 /* Else don't copy attributes */
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typedef struct {
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char
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rc,
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function_id,
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session_id,
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reserved;
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char far
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*oia_buffer;
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char
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oia_group_number;
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} ReadOiaGroupParms;
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/* If the user wants all groups, we return API_OIA_BYTES_ALL_GROUPS bytes */
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#define API_OIA_ALL_GROUPS '\377'
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#define API_OIA_BYTES_ALL_GROUPS 22 /* 22 bytes of data */
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/* API_OIA_INPUT_INHIBITED is special. It returns more than on byte of data */
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#define API_OIA_INPUT_INHIBITED 8
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#define API_OIA_LAST_LEGAL_GROUP 18 /* Highest legal number */
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#if defined(MSDOS)
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#if !defined(FP_SEG)
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#include <dos.h>
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#endif /* !defined(FP_SEG) */
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#else /* defined(MSDOS) */
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/*
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* These definitions are here to provide the descriptions of
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* some registers which are, normally, defined in <dos.h> on
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* a dos system.
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*/
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#define FP_SEG(x) ((unsigned int)(((unsigned long)(x))>>16))
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#define FP_OFF(y) ((unsigned int)(((unsigned long)(y))&0xFFFF))
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/*
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* Undo the preceeding.
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*/
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#define SEG_OFF_BACK(x,y) (((x)<<16)|(y))
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/*
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* Now, it is somewhat of a pain, but we need to keep
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* 8086 conventions about which of the "highlow"'s map
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* into which of the "words".
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*/
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#include <sys/param.h> /* Get ENDIAN from machine/endian.h */
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/* Determine endian'ess (if necessary) */
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#if !(defined(BYTE_ORDER) && defined(BIG_ENDIAN))
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#define LITTLE_ENDIAN 1234 /* least-significant byte first (vax) */
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#define BIG_ENDIAN 4321 /* most-significant byte first (IBM, net) */
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#if defined(vax) || defined(ns32000) || defined(i386) || (defined(mips)&&defined(MIPSEL))
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#define BYTE_ORDER LITTLE_ENDIAN
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#endif /* defined(vax) || defined(ns32000) */
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#if defined(sun) || defined(tahoe) || defined(ibm032) || defined(pyr) || defined(gould) || (defined(mips)&&defined(MIPSEB))
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#define BYTE_ORDER BIG_ENDIAN
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#endif /* defined(sun) || defined(tahoe) || defined(ibm032) || defined(pyr) || defined(gould) */
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#endif /* !(defined(BYTE_ORDER) && defined(BIG_ENDIAN)) */
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struct highlow {
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unsigned char
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#if BYTE_ORDER == LITTLE_ENDIAN
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al,
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ah,
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bl,
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bh,
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cl,
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ch,
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dl,
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dh;
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#endif /* BYTE_ORDER == LITTLE_ENDIAN */
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#if BYTE_ORDER == BIG_ENDIAN
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ah,
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al,
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bh,
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bl,
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ch,
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cl,
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dh,
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dl;
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#endif /* BYTE_ORDER == BIG_ENDIAN */
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};
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struct words {
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unsigned short
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ax,
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bx,
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cx,
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dx;
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unsigned short
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si,
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di;
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};
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union REGS {
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struct highlow h;
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struct words x;
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};
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struct SREGS {
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unsigned short
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cs,
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|||
|
|
ds,
|
|||
|
|
es,
|
|||
|
|
ss;
|
|||
|
|
};
|
|||
|
|
#endif /* defined(MSDOS) (else section) */
|