/* *   Z M O D E M . H     Manifest constants for ZMODEM *    application to application file transfer protocol *    Copyright 1993 Omen Technology Inc All Rights Reserved */#define ZPAD '*'	/* 052 Padding character begins frames */#define ZDLE 030	/* Ctrl-X Zmodem escape - `ala BISYNC DLE */#define ZDLEE (ZDLE^0100)	/* Escaped ZDLE as transmitted */#define ZBIN 'A'	/* Binary frame indicator (CRC-16) */#define ZHEX 'B'	/* HEX frame indicator */#define ZBIN32 'C'	/* Binary frame with 32 bit FCS */#define ZBINR32 'D'	/* RLE packed Binary frame with 32 bit FCS */#define ZVBIN 'a'	/* Binary frame indicator (CRC-16) */#define ZVHEX 'b'	/* HEX frame indicator */#define ZVBIN32 'c'	/* Binary frame with 32 bit FCS */#define ZVBINR32 'd'	/* RLE packed Binary frame with 32 bit FCS */#define ZRESC	0176	/* RLE flag/escape character */#define ZMAXHLEN 16	/* Max header information length  NEVER CHANGE */#define ZMAXSPLEN 1024	/* Max subpacket length  NEVER CHANGE *//* Frame types (see array "frametypes" in zm.c) */#define ZRQINIT	0	/* Request receive init */#define ZRINIT	1	/* Receive init */#define ZSINIT 2	/* Send init sequence (optional) */#define ZACK 3		/* ACK to above */#define ZFILE 4		/* File name from sender */#define ZSKIP 5		/* To sender: skip this file */#define ZNAK 6		/* Last packet was garbled */#define ZABORT 7	/* Abort batch transfers */#define ZFIN 8		/* Finish session */#define ZRPOS 9		/* Resume data trans at this position */#define ZDATA 10	/* Data packet(s) follow */#define ZEOF 11		/* End of file */#define ZFERR 12	/* Fatal Read or Write error Detected */#define ZCRC 13		/* Request for file CRC and response */#define ZCHALLENGE 14	/* Receiver's Challenge */#define ZCOMPL 15	/* Request is complete */#define ZCAN 16		/* Other end canned session with CAN*5 */#define ZFREECNT 17	/* Request for free bytes on filesystem */#define ZCOMMAND 18	/* Command from sending program */#define ZSTDERR 19	/* Output to standard error, data follows *//* ZDLE sequences */#define ZCRCE 'h'	/* CRC next, frame ends, header packet follows */#define ZCRCG 'i'	/* CRC next, frame continues nonstop */#define ZCRCQ 'j'	/* CRC next, frame continues, ZACK expected */#define ZCRCW 'k'	/* CRC next, ZACK expected, end of frame */#define ZRUB0 'l'	/* Translate to rubout 0177 */#define ZRUB1 'm'	/* Translate to rubout 0377 *//* zdlread return values (internal) *//* -1 is general error, -2 is timeout */#define GOTOR 0400#define GOTCRCE (ZCRCE|GOTOR)	/* ZDLE-ZCRCE received */#define GOTCRCG (ZCRCG|GOTOR)	/* ZDLE-ZCRCG received */#define GOTCRCQ (ZCRCQ|GOTOR)	/* ZDLE-ZCRCQ received */#define GOTCRCW (ZCRCW|GOTOR)	/* ZDLE-ZCRCW received */#define GOTCAN	(GOTOR|030)	/* CAN*5 seen *//* Byte positions within header array */#define ZF0	3	/* First flags byte */#define ZF1	2#define ZF2	1#define ZF3	0#define ZP0	0	/* Low order 8 bits of position */#define ZP1	1#define ZP2	2#define ZP3	3	/* High order 8 bits of file position *//* Bit Masks for ZRINIT flags byte ZF0 */#define CANFDX	01	/* Rx can send and receive true FDX */#define CANOVIO	02	/* Rx can receive data during disk I/O */#define CANBRK	04	/* Rx can send a break signal */#define CANRLE	010	/* Receiver can decode RLE */#define CANLZW	020	/* Receiver can uncompress */#define CANFC32	040	/* Receiver can use 32 bit Frame Check */#define ESCCTL 0100	/* Receiver expects ctl chars to be escaped */#define ESC8   0200	/* Receiver expects 8th bit to be escaped *//* Bit Masks for ZRINIT flags byte ZF1 */#define CANVHDR	01	/* Variable headers OK *//* Parameters for ZSINIT frame */#define ZATTNLEN 32	/* Max length of attention string */#define ALTCOFF ZF1	/* Offset to alternate canit string, 0 if not used *//* Bit Masks for ZSINIT flags byte ZF0 */#define TESCCTL 0100	/* Transmitter expects ctl chars to be escaped */#define TESC8   0200	/* Transmitter expects 8th bit to be escaped *//* Parameters for ZFILE frame *//* Conversion options one of these in ZF0 */#define ZCBIN	1	/* Binary transfer - inhibit conversion */#define ZCNL	2	/* Convert NL to local end of line convention */#define ZCRESUM	3	/* Resume interrupted file transfer *//* Management include options, one of these ored in ZF1 */#define ZMSKNOLOC	0200	/* Skip file if not present at rx *//* Management options, one of these ored in ZF1 */#define ZMMASK	037	/* Mask for the choices below */#define ZMNEWL	1	/* Transfer if source newer or longer */#define ZMCRC	2	/* Transfer if different file CRC or length */#define ZMAPND	3	/* Append contents to existing file (if any) */#define ZMCLOB	4	/* Replace existing file */#define ZMNEW	5	/* Transfer if source newer */	/* Number 5 is alive ... */#define ZMDIFF	6	/* Transfer if dates or lengths different */#define ZMPROT	7	/* Protect destination file */#define ZMCHNG	8	/* Change filename if destination exists *//* Transport options, one of these in ZF2 */#define ZTLZW	1	/* Lempel-Ziv compression */#define ZTRLE	3	/* Run Length encoding *//* Extended options for ZF3, bit encoded */#define ZXSPARS	64	/* Encoding for sparse file operations */#define ZCANVHDR	01	/* Variable headers OK *//* Receiver window size override */#define ZRWOVR 4	/* byte position for receive window override/256 *//* Parameters for ZCOMMAND frame ZF0 (otherwise 0) */#define ZCACK1	1	/* Acknowledge, then do command */long rclhdr();/* Globals used by ZMODEM functions */extern Rxframeind;	/* ZBIN ZBIN32, or ZHEX type of frame */extern Rxtype;		/* Type of header received */extern Rxcount;		/* Count of data bytes received */extern Rxtimeout;	/* Tenths of seconds to wait for something */extern long Rxpos;	/* Received file position */extern long Txpos;	/* Transmitted file position */extern Txfcs32;		/* TURE means send binary frames with 32 bit FCS */extern Crc32t;		/* Display flag indicating 32 bit CRC being sent */extern Crc32;		/* Display flag indicating 32 bit CRC being received */extern Znulls;		/* Number of nulls to send at beginning of ZDATA hdr */extern char Attn[ZATTNLEN+1];	/* Attention string rx sends to tx on err */extern char *Altcan;	/* Alternate canit string *//* End of zmodem.h */