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312 lines
10 KiB
C
312 lines
10 KiB
C
/*EASE$$$ READ ONLY COPY of file ÒBootGlobals.hÓ
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** 1.0 PWD 10/30/1989 Adding to EASE
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** END EASE MODIFICATION HISTORY */
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extern void myListener(); /* These are asm lang. code */
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extern QElemPtr DeQReqBuf(QHdr *quePtr,QElemPtr aptr);
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extern void processQueue();
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extern void processVBL();
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extern void delayMilSec(short);
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extern void readUserRecord();
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extern void sendUserRecord();
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extern void closeUserRecord();
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extern void readImage();
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extern void writeImage();
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extern void closeImage();
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extern void writeUserRecord();
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extern void sendUpdateReply();
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typedef char block[disksector];
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typedef struct
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{
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char serverName[34]; /* server name to boot off of */
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char serverZone[34]; /* and the zone it lives in */
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char serverVol[34]; /* and the volume name */
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short serverAuthMeth; /* authentication method to use (none, clear txt, rand) */
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int sysDirID, /* the dir id of the blessed folder there */
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userDirID; /* and of the user folder */
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}OlduserRecord;
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// This defines the portion of a user record which should
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// be stored on disk by the boot server.
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typedef struct
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{
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long finderInfo[8]; // blessed folder dir id, startup folder dir id etc...
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char bootBlocks[135]; // see Inside Mac V-135
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}store;
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// This defines a user record.
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// Some of these fields can be determined on the fly by the boot server,
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// while others are stored on disk by the boot server
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typedef struct
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{
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char serverName[serverNameLength]; // server name to boot off of
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char serverZone[zoneNameLength]; // and the zone it lives in
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char serverVol[volNameLength]; // the volume name
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short serverAuthMeth; // authentication method to use (none, clear txt, rand)
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long sharedSysDirID; // dir id of shared system folder
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long userDirID; // dir id of the user's private system folder
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store storeage // fields to be stored on disk for the user
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}userRecord;
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// This defines the user-record reply sent to workstations.
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typedef struct
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{
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char Command; /* record reply command */
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char pversion; /* version of boot protocol spoken by requestor */
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short osID; /* type and version of os */
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long userData; /* time stamp goes here */
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short blockSize; /* number of bytes per block */
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short imageID; /* image ID */
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short result; /* error codes */
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long imageSize; /* size of image in blocks */
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userRecord userRec; /* the user's "boot blocks" */
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}UserRecReply;
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// This defines the user-record-update reply sent to workstations.
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typedef struct
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{
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char Command; /* record update command */
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char pversion; /* version of boot protocol spoken by requestor */
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short result; /* results of update */
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long userData; /* stamp goes here */
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}UserUpdateReply;
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// This defines the image reply sent to workstations.
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typedef struct
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{
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char Command; /* type of request this is */
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char pversion; /* version of this protocol */
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short imageID; /* ? */
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short blockNum; /* block number of this image */
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block data; /* the actual block of data */
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}ImageReply;
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typedef struct
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{
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char Command; /* type of request this is */
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char pversion; /* version of this protocol */
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short imageID; /* ? */
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short result; /* error field */
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}ImageDone;
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typedef struct
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{
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short osID; /* type and version of os */
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long userData; /* time stamp goes here */
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char userName[userNameLength]; /* key to finding thier record */
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}urr; // User Record Req
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typedef struct
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{
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short imageID; /* the image being requested */
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char section; /* "section" of the image the bitmap refers to */
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char flags; /* bit 0 means to send entire image */
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short replyDelay; /* minimum needed inter-packet delay in milliseconds */
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char bitmap[bitmapsize]; /* bitmap of the section of the image requested */
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Boolean done; /* true when bitmap clear */
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Boolean ORflag; /* used by server when replying: notes if bitmap has been ORed */
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unsigned short lastblk; /* " ": an index used to tell what blk was last sent */
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}bir; // Boot Image Req
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typedef struct
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{
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short osID; /* type and version of os */
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long userData; /* time stamp goes here */
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char userName[userNameLength]; /* key to finding thier record */
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userRecord userRec; /* the user's "boot blocks" */
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}uru; // user record update request
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// This defines the structure of queue element that are designed to hold
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// all request (of all boot protocol types) received from workstations.
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typedef struct
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{
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QElem *qLink; /* all request are placed in a queue */
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short qType; /* not used */
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unsigned short netnum; /* the network this request comes from */
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unsigned char node; /* the node this request comes from */
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char Command; /* type of request this is */
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char pversion; /* version of boot protocol spoken by requestor */
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char filler;
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union{
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urr urr; /* user record request */
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bir bir; /* boot image request */
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uru uru; /* user record update request */
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}reqtype;
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}requestBuf;
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typedef struct {
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short os;
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short version;
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short imageSize;
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short delay;
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}bootRez;
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// An array of the following will keep info about
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// each os we support handy.
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typedef struct
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{
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long imageSize; /* # of blocks in the image */
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short fileRefNum, /* images kept open at all times, store file ref num here */
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imageVersion, /* version of this image */
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delay; /* server suggested minimum inter-packet delay */
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}oosDataRec;
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// An linked-list of the following will keep info about
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// each os we support handy.
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typedef struct
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{
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long link; /* for the linked list */
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long imageSize; /* # of blocks in the image */
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short fileRefNum, /* images kept open at all times, store file ref num here */
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imageVersion, /* version of this image */
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delay; /* server suggested minimum inter-packet delay */
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}osDataRec;
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typedef struct
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{
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long Next; /* this is just a portion of the tStatRec Record taken */
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long Filler0; /* from the AppleShare file server code. Server needs */
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short VersionID; /* it to get a ptr to the server name string. */
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short MaxVolCount;
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long Last;
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short numSessions;
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short currReqs;
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StringPtr SrvrNamePtr; /* we need this when we register ourselves */
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} serverinfo;
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// we define our own vbl record so that we can carry
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// around a ptr to our server globals
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typedef struct
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{
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VBLTask standard; // this is the normal vbl record
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Ptr globalsPtr; // here we will carry a ptr to our globals
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}myVBLTask;
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/*
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Global variables.
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*/
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typedef struct
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{
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requestBuf *gbufptr;
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requestBuf *gcurrentReqPtr; // all asynch calls use this to get at current request buffer
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QHdr gFreeLst; // a queue of free buffers
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QHdr gUserRecReq; // a queue of user-record requests
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QHdr gImageReq; // a queue of boot-image request
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QHdr gUserUpdateReq; // a queue of user-record-update requests
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short gintlevel; // flag to control asynch processing (keep only one outstanding at a time)
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UserRecReply gmyUserRecReply;
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ImageReply gmyImageReply;
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UserUpdateReply gmyUserUpdateReply;
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ImageDone gmyImageDone;
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ParamBlockRec gPBrec; // this is for making asynch file calls (8 bytes)
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MPPParamBlock gmyddpWrite; // for ddp write
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AddrBlock gmydestAddr; // ditto
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char gmyheader[18]; // ditto
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char gmywds[600]; // ditto
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HParamBlockRec gmyHPB;
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MPPPBPtr gddppbptr;
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MPPPBPtr gnamepbptr;
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OSErr gerrCode;
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short gmyNode;
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short gmyNet;
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short gworkLoad;
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myVBLTask *gVBL; // ptr to VBLTask in the system heap
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long gsleepstart;
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EntityPtr gntePtr;
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ProcPtr gioprocessQueue;
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#if false
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ProcPtr gioprocessVBL;
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ProcPtr gioimageDone;
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ProcPtr gioreadUserRecord;
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ProcPtr giosendUserRecord;
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ProcPtr giocloseUserRecord;
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ProcPtr gioopenImage;
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ProcPtr gioreadImage;
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ProcPtr giowriteImage;
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ProcPtr giocloseImage;
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#endif
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SysEnvRec gworld;
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oosDataRec gosData[osMax];
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osDataRec gosData // root of linked list
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Boolean gDoneFlag; // TRUE when File/Quit choosen
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TEHandle gTextH; // The TextEdit handle
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Boolean gHaltFlag; // true if halted, false otherwise
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Boolean gWindFlag; // true if showing, false otherwise
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char gafname[200];
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} Globals,*GlobalsPtr;
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extern GlobalsPtr GetGPtr(); // returns ptr to above Globals
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/*
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Global variables.
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*/
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#define bufptr GetGPtr()->gbufptr
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#define intlevel GetGPtr()->gintlevel
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#define myHPB GetGPtr()->gmyHPB
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#define myHPBptr GetGPtr()->gmyHPBptr
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#define ddppbptr GetGPtr()->gddppbptr
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#define namepbptr GetGPtr()->gnamepbptr
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#define FreeLst GetGPtr()->gFreeLst
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#define UserRecReq GetGPtr()->gUserRecReq
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#define ImageReq GetGPtr()->gImageReq
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#define UserUpdateReq GetGPtr()->gUserUpdateReq
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#define errCode GetGPtr()->gerrCode
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#define PBrec GetGPtr()->gPBrec
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#define myddpWrite GetGPtr()->gmyddpWrite
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#define myUserRecReply GetGPtr()->gmyUserRecReply
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#define myImageReply GetGPtr()->gmyImageReply
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#define myImageDone GetGPtr()->gmyImageDone
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#define myUserUpdateReply GetGPtr()->gmyUserUpdateReply
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#define mydestAddr GetGPtr()->gmydestAddr
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#define myheader GetGPtr()->gmyheader
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#define mywds GetGPtr()->gmywds
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#define currentReqPtr GetGPtr()->gcurrentReqPtr
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#define ioprocessQueue GetGPtr()->gioprocessQueue
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#define ioprocessVBL GetGPtr()->gioprocessVBL
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#define ioimageDone GetGPtr()->gioimageDone
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#define myNode GetGPtr()->gmyNode
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#define myNet GetGPtr()->gmyNet
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#define workLoad GetGPtr()->gworkLoad
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#define VBL GetGPtr()->gVBL
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#define sleepstart GetGPtr()->gsleepstart
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#define ntePtr GetGPtr()->gntePtr
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#define ioreadUserRecord GetGPtr()->gioreadUserRecord
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#define iosendUserRecord GetGPtr()->giosendUserRecord
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#define iocloseUserRecord GetGPtr()->giocloseUserRecord
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#define world GetGPtr()->gworld
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#define ioopenImage GetGPtr()->gioopenImage
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#define ioreadImage GetGPtr()->gioreadImage
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#define iowriteImage GetGPtr()->giowriteImage
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#define iocloseImage GetGPtr()->giocloseImage
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#define osData GetGPtr()->gosData
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#define DoneFlag GetGPtr()->gDoneFlag
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#define TextH GetGPtr()->gTextH
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#define HaltFlag GetGPtr()->gHaltFlag
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#define WindFlag GetGPtr()->gWindFlag
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#define afname GetGPtr()->gafname
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