sync code with last improvements from OpenBSD
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xserver/include/dixstruct.h
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xserver/include/dixstruct.h
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/***********************************************************
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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#ifndef DIXSTRUCT_H
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#define DIXSTRUCT_H
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#include "client.h"
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#include "dix.h"
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#include "resource.h"
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#include "cursor.h"
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#include "gc.h"
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#include "pixmap.h"
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#include "privates.h"
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#include <X11/Xmd.h>
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/*
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* direct-mapped hash table, used by resource manager to store
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* translation from client ids to server addresses.
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*/
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extern _X_EXPORT CallbackListPtr ClientStateCallback;
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typedef struct {
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ClientPtr client;
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xConnSetupPrefix *prefix;
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xConnSetup *setup;
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} NewClientInfoRec;
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typedef void (*ReplySwapPtr) (ClientPtr /* pClient */ ,
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int /* size */ ,
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void * /* pbuf */ );
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extern _X_EXPORT void
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ReplyNotSwappd(ClientPtr /* pClient */ ,
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int /* size */ ,
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void * /* pbuf */ ) _X_NORETURN;
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typedef enum { ClientStateInitial,
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ClientStateRunning,
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ClientStateRetained,
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ClientStateGone
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} ClientState;
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typedef struct _saveSet {
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struct _Window *windowPtr;
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Bool toRoot;
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Bool map;
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} SaveSetElt;
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#define SaveSetWindow(ss) ((ss).windowPtr)
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#define SaveSetToRoot(ss) ((ss).toRoot)
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#define SaveSetShouldMap(ss) ((ss).map)
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#define SaveSetAssignWindow(ss,w) ((ss).windowPtr = (w))
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#define SaveSetAssignToRoot(ss,tr) ((ss).toRoot = (tr))
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#define SaveSetAssignMap(ss,m) ((ss).map = (m))
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typedef struct _Client {
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void *requestBuffer;
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void *osPrivate; /* for OS layer, including scheduler */
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struct xorg_list ready; /* List of clients ready to run */
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struct xorg_list output_pending; /* List of clients with output queued */
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Mask clientAsMask;
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short index;
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unsigned char majorOp, minorOp;
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unsigned int swapped:1;
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unsigned int local:1;
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unsigned int big_requests:1; /* supports large requests */
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unsigned int clientGone:1;
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unsigned int closeDownMode:2;
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unsigned int clientState:2;
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signed char smart_priority;
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short noClientException; /* this client died or needs to be killed */
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int priority;
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ReplySwapPtr pSwapReplyFunc;
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XID errorValue;
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int sequence;
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int ignoreCount; /* count for Attend/IgnoreClient */
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int numSaved;
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SaveSetElt *saveSet;
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int (**requestVector) (ClientPtr /* pClient */ );
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CARD32 req_len; /* length of current request */
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unsigned int replyBytesRemaining;
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PrivateRec *devPrivates;
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unsigned short mapNotifyMask;
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unsigned short newKeyboardNotifyMask;
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unsigned char xkbClientFlags;
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KeyCode minKC, maxKC;
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int smart_start_tick;
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int smart_stop_tick;
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DeviceIntPtr clientPtr;
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ClientIdPtr clientIds;
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int req_fds;
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} ClientRec;
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static inline void
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SetReqFds(ClientPtr client, int req_fds) {
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if (client->req_fds != 0 && req_fds != client->req_fds)
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LogMessage(X_ERROR, "Mismatching number of request fds %d != %d\n", req_fds, client->req_fds);
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client->req_fds = req_fds;
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}
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/*
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* Scheduling interface
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*/
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extern long SmartScheduleTime;
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extern long SmartScheduleInterval;
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extern long SmartScheduleSlice;
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extern long SmartScheduleMaxSlice;
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#ifdef HAVE_SETITIMER
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extern Bool SmartScheduleSignalEnable;
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#else
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#define SmartScheduleSignalEnable FALSE
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#endif
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extern void SmartScheduleStartTimer(void);
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extern void SmartScheduleStopTimer(void);
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/* Client has requests queued or data on the network */
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void mark_client_ready(ClientPtr client);
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/*
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* Client has requests queued or data on the network, but awaits a
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* server grab release
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*/
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void mark_client_saved_ready(ClientPtr client);
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/* Client has no requests queued and no data on network */
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void mark_client_not_ready(ClientPtr client);
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static inline Bool client_is_ready(ClientPtr client)
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{
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return !xorg_list_is_empty(&client->ready);
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}
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Bool
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clients_are_ready(void);
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extern struct xorg_list output_pending_clients;
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static inline void
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output_pending_mark(ClientPtr client)
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{
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if (!client->clientGone && xorg_list_is_empty(&client->output_pending))
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xorg_list_append(&client->output_pending, &output_pending_clients);
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}
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static inline void
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output_pending_clear(ClientPtr client)
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{
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xorg_list_del(&client->output_pending);
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}
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static inline Bool any_output_pending(void) {
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return !xorg_list_is_empty(&output_pending_clients);
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}
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#define SMART_MAX_PRIORITY (20)
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#define SMART_MIN_PRIORITY (-20)
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extern void SmartScheduleInit(void);
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/* This prototype is used pervasively in Xext, dix */
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#define DISPATCH_PROC(func) int func(ClientPtr /* client */)
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typedef struct _WorkQueue {
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struct _WorkQueue *next;
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Bool (*function) (ClientPtr /* pClient */ ,
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void * /* closure */
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);
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ClientPtr client;
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void *closure;
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} WorkQueueRec;
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extern _X_EXPORT TimeStamp currentTime;
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extern _X_EXPORT int
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CompareTimeStamps(TimeStamp /*a */ ,
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TimeStamp /*b */ );
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extern _X_EXPORT TimeStamp
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ClientTimeToServerTime(CARD32 /*c */ );
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typedef struct _CallbackRec {
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CallbackProcPtr proc;
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void *data;
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Bool deleted;
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struct _CallbackRec *next;
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} CallbackRec, *CallbackPtr;
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typedef struct _CallbackList {
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int inCallback;
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Bool deleted;
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int numDeleted;
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CallbackPtr list;
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} CallbackListRec;
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/* proc vectors */
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extern int (*InitialVector[3]) (ClientPtr /*client */ );
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extern _X_EXPORT int (*ProcVector[256]) (ClientPtr /*client */ );
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extern _X_EXPORT int (*SwappedProcVector[256]) (ClientPtr /*client */ );
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extern ReplySwapPtr ReplySwapVector[256];
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extern _X_EXPORT int
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ProcBadRequest(ClientPtr /*client */ );
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#endif /* DIXSTRUCT_H */
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