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Annotation of gcl520h/_csb.h, revision 1.1

1.1     ! root        1: #ifndef __CSB_DOT_H
        !             2: #define __CSB_DOT_H
        !             3: 
        !             4: /*
        !             5:  * _CSB.H                5.20A  June 8, 1995
        !             6:  *
        !             7:  *  The Greenleaf Comm Library
        !             8:  *
        !             9:  *  Copyright (C) 1984-1995 Greenleaf Software Inc.  All Rights Reserved.
        !            10:  *
        !            11:  * NOTES
        !            12:  *
        !            13:  * This header file has the declarations necessary for accessing the
        !            14:  * "private" CompuServe B+transfer support routines.  Every private
        !            15:  * routine has a name that starts with an underscore.  Since the private
        !            16:  * routines are actually found in several different files, there is no
        !            17:  * way to make them truly private, but the high end user would be best
        !            18:  * off just ignoring these routines.
        !            19:  *
        !            20:  * MODIFICATIONS
        !            21:  *
        !            22:  * April 29, 1994  5.00A : Initial release
        !            23:  */
        !            24: 
        !            25: #define BPLUS_SEND_AHEAD_BUFFERS        5 /* Number of buffers before ACK */
        !            26:                                           /* is expected                  */
        !            27: #define BPLUS_DEFAULT_PACKET_SIZE       1031
        !            28: #define BPLUS_MASK_LO_RANGE             0x01
        !            29: #define BPLUS_MASK_HI_RANGE             0x10
        !            30: 
        !            31: /*
        !            32:  * CompuServe B+ quoting levels and mask
        !            33:  */
        !            34: #define BPLUS_QUOTING_LEVEL_0     0       /* No qouting level */
        !            35: #define BPLUS_QUOTING_LEVEL_1     1
        !            36: #define BPLUS_QUOTING_LEVEL_2     2
        !            37: #define BPLUS_QUOTING_LEVEL_3     3
        !            38: #define BPLUS_QUOTING_MASK        4
        !            39: 
        !            40: 
        !            41: typedef enum {
        !            42:     BPLUS_GET_DLE,
        !            43:     BPLUS_DLE_SEEN,
        !            44:     BPLUS_DLE_B_SEEN,
        !            45:     BPLUS_GET_DATA,
        !            46:     BPLUS_GET_CHECKSUM,
        !            47:     BPLUS_GET_CRC_16,
        !            48:     BPLUS_GET_CRC_32,
        !            49:     BPLUS_VERIFY_CRC,
        !            50:     BPLUS_VERIFY_CHECKSUM,
        !            51:     BPLUS_VERIFY_PACKET,
        !            52:     BPLUS_SEND_NAK,
        !            53:     BPLUS_SEND_ACK,
        !            54:     BPLUS_SEND_ENQ,
        !            55:     BPLUS_RESEND_PACKETS
        !            56: } BPLUS_ACTION;
        !            57: 
        !            58: 
        !            59: #define NORMAL_MODE      0
        !            60: #define ESCAPE_SEQ_MODE  1
        !            61: #define BPLUS_LOW_RANGE  7
        !            62: #define BPLUS_HIGH_RANGE 11
        !            63: #define BPLUS_PLUS_PACKET_SIZE  18
        !            64: 
        !            65: 
        !            66: typedef struct pending_info {
        !            67:   int seq_num;
        !            68:   int packet_size;
        !            69:   unsigned char *packet;
        !            70: } PENDING_PACKET;
        !            71: 
        !            72: typedef struct _csb_options {
        !            73:         int transfer_complete;
        !            74:         int s_seq_num;
        !            75:         int buffer_size;
        !            76:         int char_timeout;
        !            77:         int last_character;
        !            78:         int not_masked;
        !            79:         int packets_not_acked;
        !            80:         PENDING_PACKET pending[ BPLUS_SEND_AHEAD_BUFFERS ];
        !            81:         int pending_count;
        !            82:         int next_packet;
        !            83:         char check_crc;
        !            84:         int sent_enq;
        !            85:         int last_ack;
        !            86:         int quoting;
        !            87:         char mask[ 32 ];
        !            88: } _CSB_DATA;
        !            89: 
        !            90: int GF_CONV _BPTransfer( XFER *bplus );
        !            91: unsigned short int GF_CONV _CalculateBPlusCRC16( unsigned short crc,
        !            92:                                                  unsigned char c );
        !            93: 
        !            94: #endif   /* #ifdef __CSB_DOT_H */
        !            95: 

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