mirror of http://192.168.1.51:8099/lmh188/twain3.0
244 lines
8.1 KiB
C
244 lines
8.1 KiB
C
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/*++
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Copyright (c) 1989 Microsoft Corporation
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Module Name:
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NodeType.h
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Abstract:
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This module defines all of the node type codes used in the RDBSS.
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Every major data structure in the file system is assigned a node
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type code that is. This code is the first CSHORT in the structure and is
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followed by a CSHORT containing the size, in bytes, of the structure.
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Author:
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Revision History:
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--*/
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#ifndef _NODETYPE_INCLUDED_
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#define _NODETYPE_INCLUDED_
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typedef USHORT NODE_TYPE_CODE;
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typedef NODE_TYPE_CODE *PNODE_TYPE_CODE;
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typedef CSHORT NODE_BYTE_SIZE;
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//
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// So all records start with
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//
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// typedef struct _RECORD_NAME {
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// NODE_TYPE_CODE NodeTypeCode;
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// NODE_BYTE_SIZE NodeByteSize;
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// :
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// } RECORD_NAME, *PRECORD_NAME;
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//
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#ifndef NodeType
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#define NodeType(Ptr) (*((PNODE_TYPE_CODE)(Ptr)))
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#endif
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typedef struct _NODE_TYPE_CODE_AND_SIZE_NO_REFCOUNT {
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NODE_TYPE_CODE NodeTypeCode;
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NODE_BYTE_SIZE NodeByteSize;
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} NODE_TYPE_CODE_AND_SIZE_NO_REFCOUNT;
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#ifdef __cplusplus
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typedef struct _NODE_TYPE_CODE_AND_SIZE : public NODE_TYPE_CODE_AND_SIZE_NO_REFCOUNT {
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#else // !__cplusplus
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typedef struct _NODE_TYPE_CODE_AND_SIZE {
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NODE_TYPE_CODE_AND_SIZE_NO_REFCOUNT;
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#endif // __cplusplus
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//
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// this is for guys with reference counts....not everyone has one
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//
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__volatile ULONG NodeReferenceCount;
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} NODE_TYPE_CODE_AND_SIZE, *PNODE_TYPE_AND_SIZE;
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#define ZeroAndInitializeNodeType(Ptr,TType,Size) {\
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RtlZeroMemory( Ptr, Size ); \
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((NODE_TYPE_CODE_AND_SIZE *)(Ptr))->NodeTypeCode = TType; \
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((NODE_TYPE_CODE_AND_SIZE *)(Ptr))->NodeByteSize = (CSHORT)Size; \
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}
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//
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// N O D E T Y P E S
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//
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//
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// 0xeb00 was selected as being far from the other codes
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// 0xec00 was added so that we could encode the structure type in the code.
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//
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#define NTC_UNDEFINED ((NODE_TYPE_CODE)0x0000)
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#define RDBSS_STORAGE_NTC(x) (0xec00+(x))
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//
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// these are here to ensure that we don't use any of the old cairo storage types.
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//
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#define StorageTypeDirectory (@@@)
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#define StorageTypeFile (@@@)
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typedef enum _RX_FILE_TYPE {
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FileTypeNotYetKnown = 0,
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FileTypeDirectory = 2,
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FileTypeFile = 3
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} RX_FILE_TYPE;
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//
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// according to markz, i should plan on the number of STORAGE_NTCs growing to bytesize!!
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//
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#define RDBSS_NTC_STORAGE_TYPE_UNKNOWN ((NODE_TYPE_CODE)0xec00)
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#define RDBSS_NTC_STORAGE_TYPE_DIRECTORY ((NODE_TYPE_CODE)0xec02)
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#define RDBSS_NTC_STORAGE_TYPE_FILE ((NODE_TYPE_CODE)0xec03)
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#define RDBSS_NTC_OPENTARGETDIR_FCB ((NODE_TYPE_CODE)0xecff) // must be an fcb type and not the same
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#define RDBSS_NTC_IPC_SHARE ((NODE_TYPE_CODE)0xecfe)
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#define RDBSS_NTC_MAILSLOT ((NODE_TYPE_CODE)0xecfd)
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#define RDBSS_NTC_SPOOLFILE ((NODE_TYPE_CODE)0xecfc)
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#define RDBSS_NTC_SRVCALL ((NODE_TYPE_CODE)0xeb10)
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#define RDBSS_NTC_NETROOT ((NODE_TYPE_CODE)0xeb11)
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#define RDBSS_NTC_V_NETROOT ((NODE_TYPE_CODE)0xeb12)
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//
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// Local filesystems sometimes need volume opens. these are not yet
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// implemented but we reserve the nodetype now.
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//
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#define RDBSS_NTC_VOLUME_FCB ((NODE_TYPE_CODE)0xeb1f)
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#define RDBSS_NTC_SRVOPEN ((NODE_TYPE_CODE)0xeb1c)
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#define RDBSS_NTC_INTERNAL_SRVOPEN ((NODE_TYPE_CODE)0xeb1d)
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#define RDBSS_NTC_DEVICE_FCB ((NODE_TYPE_CODE)0xeb9a)
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#define RDBSS_NTC_DATA_HEADER ((NODE_TYPE_CODE)0xeb00)
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#define RDBSS_NTC_VCB ((NODE_TYPE_CODE)0xeb01)
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#define RDBSS_NTC_FOBX ((NODE_TYPE_CODE)0xeb07)
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#define RDBSS_NTC_RX_CONTEXT ((NODE_TYPE_CODE)0xeb08)
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#define RDBSS_NTC_PREFIX_TABLE ((NODE_TYPE_CODE)0xeb0d)
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#define RDBSS_NTC_PREFIX_ENTRY ((NODE_TYPE_CODE)0xeb0e)
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#define RDBSS_NTC_FCB_TABLE ((NODE_TYPE_CODE)0xeb09)
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#define RDBSS_NTC_FCB_TABLE_ENTRY ((NODE_TYPE_CODE)0xeb0a)
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#define RDBSS_NTC_RXCE_TRANSPORT ((NODE_TYPE_CODE)0xeb71)
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#define RDBSS_NTC_RXCE_ADDRESS ((NODE_TYPE_CODE)0xeb72)
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#define RDBSS_NTC_RXCE_CONNECTION ((NODE_TYPE_CODE)0xeb73)
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#define RDBSS_NTC_RXCE_VC ((NODE_TYPE_CODE)0xeb74)
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#define RDBSS_NTC_NONPAGED_FCB ((NODE_TYPE_CODE)0xebfd)
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#define RDBSS_NTC_COMMON_DISPATCH ((NODE_TYPE_CODE)0xebfe)
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#define RDBSS_NTC_MINIRDR_DISPATCH ((NODE_TYPE_CODE)0xebff)
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typedef USHORT RDBSS_STORAGE_TYPE_CODES;
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#define RDBSS_NTC_FCB RDBSS_NTC_STORAGE_TYPE_FILE
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#define NodeTypeIsFcb( FCB ) \
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((((NodeType(FCB) & 0xff00) == RDBSS_NTC_STORAGE_TYPE_UNKNOWN)) || ((NodeType( FCB ) & 0xfff0) == 0xeb90))
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//
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// a mask to alter the type of a data structure once it is marked for scavenging so
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// that subsequent tests will fail.
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//
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#define RX_SCAVENGER_MASK (0x1000)
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//
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// The following definitions are used to generate meaningful blue bugcheck
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// screens. On a bugcheck the file system can output 4 ulongs of useful
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// information. The first ulong will have encoded the line number of the
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// bugcheck call in the low order 16 bits. The high order bits can be whatever
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// the caller wants. In the wrapper, we actually define file identifiers as well.
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// However, the system also displays quire a but of the backtrace; this shows
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// the .sys file of the caller and it is frequently the case that the linenumber
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// is completely disambiguating.
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//
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//
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// Each individual wrapper file that calls bugcheck has defined at the
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// start of the file a constant called BugCheckFileId with one of the
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// RDBSS_BUG_CHECK_ values defined below and then use RxBugCheck to bugcheck
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// the system.
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//
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typedef enum _RDBSS_BUG_CHECK_CODES {
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RDBSS_BUG_CHECK_FCBSTRUC = 0xfcb00000,
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RDBSS_BUG_CHECK_CACHESUP = 0xca550000,
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RDBSS_BUG_CHECK_CLEANUP = 0xc1ee0000,
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RDBSS_BUG_CHECK_CLOSE = 0xc10e0000,
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RDBSS_BUG_CHECK_NTEXCEPT = 0xbaad0000,
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} RDBSS_BUG_CHECK_CODES;
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// we overload on the original redirector's bugcheck code using the stack
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// backtrace to differentiate among consumers
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#define RDBSS_FILE_SYSTEM RDR_FILE_SYSTEM
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#define RxBugCheck(A,B,C) { \
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KeBugCheckEx(RDBSS_FILE_SYSTEM, \
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BugCheckFileId | ((ULONG)(__LINE__)), \
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A, B, C ); \
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}
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//
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// In this module we'll also define some globally known constants
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//
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#define UCHAR_NUL 0x00
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#define UCHAR_SOH 0x01
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#define UCHAR_STX 0x02
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#define UCHAR_ETX 0x03
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#define UCHAR_EOT 0x04
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#define UCHAR_ENQ 0x05
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#define UCHAR_ACK 0x06
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#define UCHAR_BEL 0x07
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#define UCHAR_BS 0x08
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#define UCHAR_HT 0x09
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#define UCHAR_LF 0x0a
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#define UCHAR_VT 0x0b
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#define UCHAR_FF 0x0c
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#define UCHAR_CR 0x0d
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#define UCHAR_SO 0x0e
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#define UCHAR_SI 0x0f
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#define UCHAR_DLE 0x10
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#define UCHAR_DC1 0x11
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#define UCHAR_DC2 0x12
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#define UCHAR_DC3 0x13
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#define UCHAR_DC4 0x14
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#define UCHAR_NAK 0x15
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#define UCHAR_SYN 0x16
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#define UCHAR_ETB 0x17
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#define UCHAR_CAN 0x18
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#define UCHAR_EM 0x19
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#define UCHAR_SUB 0x1a
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#define UCHAR_ESC 0x1b
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#define UCHAR_FS 0x1c
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#define UCHAR_GS 0x1d
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#define UCHAR_RS 0x1e
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#define UCHAR_US 0x1f
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#define UCHAR_SP 0x20
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#endif // _NODETYPE_INCLUDED_
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