#include <Files.h>

typedef struct { Size Offset Description

QElemPtr qLink; 0 4 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 or working directory

reference

short filler1; 2 24 (not used)

short ioWDIndex; 2 26 Index (for indexed searches)

long ioWDProcID; 4 28 Working dir user ref (app's signature

or 0)

short ioWDVRefNum; 2 32 Volume in which working dir is

located

short filler2[7]; 14 34 (not used)

long ioWDDirID; 4 48 Working directory's directory ID

typedef WDPBRec *WDPBPtr;