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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/* Memory view object. In Python this is available as "memoryview". */
#ifndef Py_MEMORYOBJECT_H
#define Py_MEMORYOBJECT_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_LIMITED_API
PyAPI_DATA(PyTypeObject) _PyManagedBuffer_Type;
#endif
PyAPI_DATA(PyTypeObject) PyMemoryView_Type;
#define PyMemoryView_Check(op) (Py_TYPE(op) == &PyMemoryView_Type)
#ifndef Py_LIMITED_API
/* Get a pointer to the memoryview's private copy of the exporter's buffer. */
#define PyMemoryView_GET_BUFFER(op) (&((PyMemoryViewObject *)(op))->view)
/* Get a pointer to the exporting object (this may be NULL!). */
#define PyMemoryView_GET_BASE(op) (((PyMemoryViewObject *)(op))->view.obj)
#endif
PyAPI_FUNC(PyObject *) PyMemoryView_FromObject(PyObject *base);
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
PyAPI_FUNC(PyObject *) PyMemoryView_FromMemory(char *mem, Py_ssize_t size,
int flags);
#endif
#ifndef Py_LIMITED_API
PyAPI_FUNC(PyObject *) PyMemoryView_FromBuffer(Py_buffer *info);
#endif
PyAPI_FUNC(PyObject *) PyMemoryView_GetContiguous(PyObject *base,
int buffertype,
char order);
/* The structs are declared here so that macros can work, but they shouldn't
be considered public. Don't access their fields directly, use the macros
and functions instead! */
#ifndef Py_LIMITED_API
#define _Py_MANAGED_BUFFER_RELEASED 0x001 /* access to exporter blocked */
#define _Py_MANAGED_BUFFER_FREE_FORMAT 0x002 /* free format */
typedef struct {
PyObject_HEAD
int flags; /* state flags */
Py_ssize_t exports; /* number of direct memoryview exports */
Py_buffer master; /* snapshot buffer obtained from the original exporter */
} _PyManagedBufferObject;
/* memoryview state flags */
#define _Py_MEMORYVIEW_RELEASED 0x001 /* access to master buffer blocked */
#define _Py_MEMORYVIEW_C 0x002 /* C-contiguous layout */
#define _Py_MEMORYVIEW_FORTRAN 0x004 /* Fortran contiguous layout */
#define _Py_MEMORYVIEW_SCALAR 0x008 /* scalar: ndim = 0 */
#define _Py_MEMORYVIEW_PIL 0x010 /* PIL-style layout */
typedef struct {
PyObject_VAR_HEAD
_PyManagedBufferObject *mbuf; /* managed buffer */
Py_hash_t hash; /* hash value for read-only views */
int flags; /* state flags */
Py_ssize_t exports; /* number of buffer re-exports */
Py_buffer view; /* private copy of the exporter's view */
PyObject *weakreflist;
Py_ssize_t ob_array[1]; /* shape, strides, suboffsets */
} PyMemoryViewObject;
#endif
#ifdef __cplusplus
}
#endif
#endif /* !Py_MEMORYOBJECT_H */