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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DIR:/opt/alt/openssl/include/openssl/
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Current File : //opt/alt/openssl/include/openssl/comp.h
#ifndef HEADER_COMP_H
# define HEADER_COMP_H

# include <openssl/crypto.h>

# ifdef OPENSSL_NO_COMP
#  error COMP is disabled.
# endif

#ifdef  __cplusplus
extern "C" {
#endif

typedef struct comp_ctx_st COMP_CTX;

struct comp_method_st {
    int type;                   /* NID for compression library */
    const char *name;           /* A text string to identify the library */
    int (*init) (COMP_CTX *ctx);
    void (*finish) (COMP_CTX *ctx);
    int (*compress) (COMP_CTX *ctx,
                     unsigned char *out, unsigned int olen,
                     unsigned char *in, unsigned int ilen);
    int (*expand) (COMP_CTX *ctx,
                   unsigned char *out, unsigned int olen,
                   unsigned char *in, unsigned int ilen);
    /*
     * The following two do NOTHING, but are kept for backward compatibility
     */
    long (*ctrl) (void);
    long (*callback_ctrl) (void);
};

struct comp_ctx_st {
    COMP_METHOD *meth;
    unsigned long compress_in;
    unsigned long compress_out;
    unsigned long expand_in;
    unsigned long expand_out;
    CRYPTO_EX_DATA ex_data;
};

COMP_CTX *COMP_CTX_new(COMP_METHOD *meth);
void COMP_CTX_free(COMP_CTX *ctx);
int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,
                        unsigned char *in, int ilen);
int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,
                      unsigned char *in, int ilen);
COMP_METHOD *COMP_rle(void);
COMP_METHOD *COMP_zlib(void);
void COMP_zlib_cleanup(void);

# ifdef HEADER_BIO_H
#  ifdef ZLIB
BIO_METHOD *BIO_f_zlib(void);
#  endif
# endif

/* BEGIN ERROR CODES */
/*
 * The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */
void ERR_load_COMP_strings(void);

/* Error codes for the COMP functions. */

/* Function codes. */
# define COMP_F_BIO_ZLIB_FLUSH                            99
# define COMP_F_BIO_ZLIB_NEW                              100
# define COMP_F_BIO_ZLIB_READ                             101
# define COMP_F_BIO_ZLIB_WRITE                            102

/* Reason codes. */
# define COMP_R_ZLIB_DEFLATE_ERROR                        99
# define COMP_R_ZLIB_INFLATE_ERROR                        100
# define COMP_R_ZLIB_NOT_SUPPORTED                        101

#ifdef  __cplusplus
}
#endif
#endif