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) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Michael Wallner <mike@php.net> |
+----------------------------------------------------------------------+
*/
#ifndef PHP_HASH_CRC32_H
#define PHP_HASH_CRC32_H
#include "ext/standard/basic_functions.h"
typedef struct {
uint32_t state;
} PHP_CRC32_CTX;
#define PHP_CRC32_SPEC "l."
PHP_HASH_API void PHP_CRC32Init(PHP_CRC32_CTX *context, ZEND_ATTRIBUTE_UNUSED HashTable *args);
PHP_HASH_API void PHP_CRC32Update(PHP_CRC32_CTX *context, const unsigned char *input, size_t len);
PHP_HASH_API void PHP_CRC32BUpdate(PHP_CRC32_CTX *context, const unsigned char *input, size_t len);
PHP_HASH_API void PHP_CRC32CUpdate(PHP_CRC32_CTX *context, const unsigned char *input, size_t len);
PHP_HASH_API void PHP_CRC32LEFinal(unsigned char digest[4], PHP_CRC32_CTX *context);
PHP_HASH_API void PHP_CRC32BEFinal(unsigned char digest[4], PHP_CRC32_CTX *context);
PHP_HASH_API int PHP_CRC32Copy(const php_hash_ops *ops, PHP_CRC32_CTX *orig_context, PHP_CRC32_CTX *copy_context);
#endif