晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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/******************************************************************************
*
* Copyright (c) 1994, 1995 Hewlett-Packard Company
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL HEWLETT-PACKARD COMPANY BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of the Hewlett-Packard
* Company shall not be used in advertising or otherwise to promote the
* sale, use or other dealings in this Software without prior written
* authorization from the Hewlett-Packard Company.
*
* Header file for Xlib-related DBE
*
*****************************************************************************/
#ifndef DBE_PROTO_H
#define DBE_PROTO_H
#include <X11/extensions/dbe.h>
/* Request values used in (S)ProcDbeDispatch() */
#define X_DbeGetVersion 0
#define X_DbeAllocateBackBufferName 1
#define X_DbeDeallocateBackBufferName 2
#define X_DbeSwapBuffers 3
#define X_DbeBeginIdiom 4
#define X_DbeEndIdiom 5
#define X_DbeGetVisualInfo 6
#define X_DbeGetBackBufferAttributes 7
typedef CARD8 xDbeSwapAction;
typedef CARD32 xDbeBackBuffer;
/* TYPEDEFS */
/* Protocol data types */
typedef struct
{
CARD32 window; /* window */
xDbeSwapAction swapAction; /* swap action */
CARD8 pad1; /* unused */
CARD16 pad2;
} xDbeSwapInfo;
typedef struct
{
CARD32 visualID; /* associated visual */
CARD8 depth; /* depth of visual */
CARD8 perfLevel; /* performance level hint */
CARD16 pad1;
} xDbeVisInfo;
#define sz_xDbeVisInfo 8
typedef struct
{
CARD32 n; /* number of visual info items in list */
} xDbeScreenVisInfo; /* followed by n xDbeVisInfo items */
typedef struct
{
CARD32 window; /* window */
} xDbeBufferAttributes;
/* Requests and replies */
typedef struct
{
CARD8 reqType; /* major-opcode: always codes->major_opcode */
CARD8 dbeReqType; /* minor-opcode: always X_DbeGetVersion (0) */
CARD16 length; /* request length: (2) */
CARD8 majorVersion; /* client-major-version */
CARD8 minorVersion; /* client-minor-version */
CARD16 unused; /* unused */
} xDbeGetVersionReq;
#define sz_xDbeGetVersionReq 8
typedef struct
{
BYTE type; /* Reply: X_Reply (1) */
CARD8 unused; /* unused */
CARD16 sequenceNumber; /* sequence number */
CARD32 length; /* reply length: (0) */
CARD8 majorVersion; /* server-major-version */
CARD8 minorVersion; /* server-minor-version */
CARD16 pad1; /* unused */
CARD32 pad2;
CARD32 pad3;
CARD32 pad4;
CARD32 pad5;
CARD32 pad6;
} xDbeGetVersionReply;
#define sz_xDbeGetVersionReply 32
typedef struct
{
CARD8 reqType; /* major-opcode: codes->major_opcode */
CARD8 dbeReqType; /* X_DbeAllocateBackBufferName (1) */
CARD16 length; /* request length: (4) */
CARD32 window; /* window */
xDbeBackBuffer buffer; /* back buffer name */
xDbeSwapAction swapAction; /* swap action hint */
CARD8 pad1; /* unused */
CARD16 pad2;
} xDbeAllocateBackBufferNameReq;
#define sz_xDbeAllocateBackBufferNameReq 16
typedef struct
{
CARD8 reqType; /* major-opcode: codes->major_opcode */
CARD8 dbeReqType; /* X_DbeDeallocateBackBufferName (2) */
CARD16 length; /* request length: (2) */
xDbeBackBuffer buffer; /* back buffer name */
} xDbeDeallocateBackBufferNameReq;
#define sz_xDbeDeallocateBackBufferNameReq 8
typedef struct
{
CARD8 reqType; /* major-opcode: always codes->major_opcode */
CARD8 dbeReqType; /* minor-opcode: always X_DbeSwapBuffers (3) */
CARD16 length; /* request length: (2+2n) */
CARD32 n; /* n, number of window/swap action pairs */
} xDbeSwapBuffersReq; /* followed by n window/swap action pairs */
#define sz_xDbeSwapBuffersReq 8
typedef struct
{
CARD8 reqType; /* major-opcode: always codes->major_opcode */
CARD8 dbeReqType; /* minor-opcode: always X_DbeBeginIdom (4) */
CARD16 length; /* request length: (1) */
} xDbeBeginIdiomReq;
#define sz_xDbeBeginIdiomReq 4
typedef struct
{
CARD8 reqType; /* major-opcode: always codes->major_opcode */
CARD8 dbeReqType; /* minor-opcode: always X_DbeEndIdom (5) */
CARD16 length; /* request length: (1) */
} xDbeEndIdiomReq;
#define sz_xDbeEndIdiomReq 4
typedef struct
{
CARD8 reqType; /* always codes->major_opcode */
CARD8 dbeReqType; /* always X_DbeGetVisualInfo (6) */
CARD16 length; /* request length: (2+n) */
CARD32 n; /* n, number of drawables in list */
} xDbeGetVisualInfoReq; /* followed by n drawables */
#define sz_xDbeGetVisualInfoReq 8
typedef struct
{
BYTE type; /* Reply: X_Reply (1) */
CARD8 unused; /* unused */
CARD16 sequenceNumber; /* sequence number */
CARD32 length; /* reply length */
CARD32 m; /* m, number of visual infos in list */
CARD32 pad1; /* unused */
CARD32 pad2;
CARD32 pad3;
CARD32 pad4;
CARD32 pad5;
} xDbeGetVisualInfoReply; /* followed by m visual infos */
#define sz_xDbeGetVisualInfoReply 32
typedef struct
{
CARD8 reqType; /* always codes->major_opcode */
CARD8 dbeReqType; /* X_DbeGetBackBufferAttributes (7) */
CARD16 length; /* request length: (2) */
xDbeBackBuffer buffer; /* back buffer name */
} xDbeGetBackBufferAttributesReq;
#define sz_xDbeGetBackBufferAttributesReq 8
typedef struct
{
BYTE type; /* Reply: X_Reply (1) */
CARD8 unused; /* unused */
CARD16 sequenceNumber; /* sequence number */
CARD32 length; /* reply length: (0) */
CARD32 attributes; /* attributes */
CARD32 pad1; /* unused */
CARD32 pad2;
CARD32 pad3;
CARD32 pad4;
CARD32 pad5;
} xDbeGetBackBufferAttributesReply;
#define sz_xDbeGetBackBufferAttributesReply 32
#endif /* DBE_PROTO_H */