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。 sh-3ll

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/* GIO - GLib Input, Output and Streaming Library
 *
 * Copyright (C) 2008 Red Hat, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General
 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __G_SOCKET_ADDRESS_ENUMERATOR_H__
#define __G_SOCKET_ADDRESS_ENUMERATOR_H__

#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif

#include <gio/giotypes.h>

G_BEGIN_DECLS

#define G_TYPE_SOCKET_ADDRESS_ENUMERATOR         (g_socket_address_enumerator_get_type ())
#define G_SOCKET_ADDRESS_ENUMERATOR(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_SOCKET_ADDRESS_ENUMERATOR, GSocketAddressEnumerator))
#define G_SOCKET_ADDRESS_ENUMERATOR_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_SOCKET_ADDRESS_ENUMERATOR, GSocketAddressEnumeratorClass))
#define G_IS_SOCKET_ADDRESS_ENUMERATOR(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_SOCKET_ADDRESS_ENUMERATOR))
#define G_IS_SOCKET_ADDRESS_ENUMERATOR_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_SOCKET_ADDRESS_ENUMERATOR))
#define G_SOCKET_ADDRESS_ENUMERATOR_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_SOCKET_ADDRESS_ENUMERATOR, GSocketAddressEnumeratorClass))

/**
 * GSocketAddressEnumerator:
 *
 * Enumerator type for objects that contain or generate
 * #GSocketAddress instances.
 */
typedef struct _GSocketAddressEnumeratorClass GSocketAddressEnumeratorClass;

struct _GSocketAddressEnumerator
{
  /*< private >*/
  GObject parent_instance;
};

/**
 * GSocketAddressEnumeratorClass:
 * @next: Virtual method for g_socket_address_enumerator_next().
 * @next_async: Virtual method for g_socket_address_enumerator_next_async().
 * @next_finish: Virtual method for g_socket_address_enumerator_next_finish().
 *
 * Class structure for #GSocketAddressEnumerator.
 */
struct _GSocketAddressEnumeratorClass
{
  /*< private >*/
  GObjectClass parent_class;

  /*< public >*/
  /* Virtual Table */

  GSocketAddress * (* next)        (GSocketAddressEnumerator  *enumerator,
				    GCancellable              *cancellable,
				    GError                   **error);

  void             (* next_async)  (GSocketAddressEnumerator  *enumerator,
				    GCancellable              *cancellable,
				    GAsyncReadyCallback        callback,
				    gpointer                   user_data);
  GSocketAddress * (* next_finish) (GSocketAddressEnumerator  *enumerator,
				    GAsyncResult              *result,
				    GError                   **error);
};

GLIB_AVAILABLE_IN_ALL
GType           g_socket_address_enumerator_get_type        (void) G_GNUC_CONST;

GLIB_AVAILABLE_IN_ALL
GSocketAddress *g_socket_address_enumerator_next        (GSocketAddressEnumerator  *enumerator,
							 GCancellable              *cancellable,
							 GError                   **error);

GLIB_AVAILABLE_IN_ALL
void            g_socket_address_enumerator_next_async  (GSocketAddressEnumerator  *enumerator,
							 GCancellable              *cancellable,
							 GAsyncReadyCallback        callback,
							 gpointer                   user_data);
GLIB_AVAILABLE_IN_ALL
GSocketAddress *g_socket_address_enumerator_next_finish (GSocketAddressEnumerator  *enumerator,
							 GAsyncResult              *result,
							 GError                   **error);

G_END_DECLS


#endif /* __G_SOCKET_ADDRESS_ENUMERATOR_H__ */