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Annotation of 43BSDReno/contrib/isode-beta/h/quipu/photo.h, revision 1.1

1.1     ! root        1: /* photo.h - */
        !             2: 
        !             3: /* 
        !             4:  * $Header: /f/osi/h/quipu/RCS/photo.h,v 7.0 89/11/23 21:56:42 mrose Rel $
        !             5:  *
        !             6:  *
        !             7:  * $Log:       photo.h,v $
        !             8:  * Revision 7.0  89/11/23  21:56:42  mrose
        !             9:  * Release 6.0
        !            10:  * 
        !            11:  */
        !            12: 
        !            13: /*
        !            14:  *                               NOTICE
        !            15:  *
        !            16:  *    Acquisition, use, and distribution of this module and related
        !            17:  *    materials are subject to the restrictions of a license agreement.
        !            18:  *    Consult the Preface in the User's Manual for the full terms of
        !            19:  *    this agreement.
        !            20:  *
        !            21:  */
        !            22: 
        !            23: 
        !            24: typedef  struct {
        !            25:                char length;            /* number of bits in the pattern  */
        !            26:                short pattern;          /* the bit pattern
        !            27:                                                     (starting at bit 13) */
        !            28:                } code_word;
        !            29: 
        !            30: typedef struct {
        !            31:                code_word  make,        /* make up code */
        !            32:                                        /* if make.length  = 0  then there
        !            33:                                                         is no make up code */
        !            34:                           term;        /* terminal code */
        !            35:                } full_code;
        !            36: 
        !            37: typedef struct {
        !            38:                unsigned char pos;     /* pointer into the string */
        !            39:                int   * run_top;       /* run length pointer */
        !            40:                int   * run_pos;       /* pointer to above */
        !            41:                unsigned char mask;    /* mask to get at one bit of the string */
        !            42:                char  * dbuf_top;
        !            43:                char  * dbuf;
        !            44:                } bit_string;
        !            45: 
        !            46: typedef struct {
        !            47:                char  r_type;           /* descibes type of run */
        !            48:                int   run_length;       /* a run_length         */
        !            49:                } run_type;
        !            50: 
        !            51: 
        !            52: typedef struct nd {
        !            53:                char n_type;            /* describe the type of node */
        !            54:                struct nd * one;        /* one branch */
        !            55:                struct nd * zero;       /* zero branch */
        !            56:                int     value;          /* value arrived at */
        !            57:               } node ;
        !            58: 
        !            59: 
        !            60: /* now some constant definitions */
        !            61: #define MSB_MASK 010000  /* octal. Mask to get at first bit
        !            62:                                                of code_word  pattern  */
        !            63: #define BIT_MASK 0x80     /* i.e. set bit 8 of a char */
        !            64: 
        !            65: #define WHITE   0
        !            66: #define WT_TERM 0
        !            67: #define BLACK   1
        !            68: #define BL_TERM 1
        !            69: #define MAKE    2
        !            70: #define EOLN    127
        !            71: #define INTERNAL 7
        !            72: 
        !            73: #define P   1
        !            74: #define H   2
        !            75: #define V0  6
        !            76: #define VR1 7
        !            77: #define VR2 8
        !            78: #define VR3 9
        !            79: #define VL1 5
        !            80: #define VL2 4
        !            81: #define VL3 3
        !            82: 
        !            83: #define BUFLEN  75000
        !            84: #define LINEBUF 4096
        !            85: 
        !            86: #define FIXED_OFFSET 6
        !            87: 
        !            88: full_code get_code();
        !            89: char get_bit();
        !            90: node * get_node ();
        !            91: run_type next_run ();

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