#include <Files.h>

typedef struct FCBPBRec { Size Offset Description

struct QElem * qLink; 4 0 Address of next queue element

(0=last)

short qType; 2 4 Always ioQType (2)

short ioTrap; 2 6 (used internally by File Manager)

Ptr ioCmdAddr; 4 8 (used internally by File Manager)

ProcPtr ioCompletion; 4 12 Completion routine address (see

Async I/O)

OSErr ioResult; 2 16 Error code (0=no error, 1=not done

yet)

StringPtr ioNamePtr; 4 18 Address of p-string of current

filename

short ioVRefNum; 2 22 Volume, drive, or working directory

(0=all)

short ioRefNum; 2 24 File reference number (from

short filler; 2 26 ( unused)

short ioFCBIndx; 2 28 Index (or 0 if not indexing)

short Filler1; 2 30 ( unused, error in IM IV)

long ioFCBFlNm; 4 32 Unique 'hard' file number

short ioFCBFlags; 2 36 Flags (see notes)

short ioFCBStBlk; 2 38 First allocation block

long ioFCBEOF; 4 40 Logical EOF (file size, in bytes)

long ioFCBPLen; 4 44 Physical EOF

long ioFCBCrPs; 4 48 Current file position (mark)

short ioFCBVRefNum; 2 52 'Hard' volume reference number

long ioFCBClpSiz; 4 54 File clump size (minimum allocation

unit)

long ioFCBParID; 4 58 Parent's 'Hard' Directory ID

typedef FCBPBRec *FCBPBPtr;