204   sqlite3_vfs *pVfs;             /* Parent VFS */  member
697   sqlite3_vfs *pVfs,  in jtOpen()  argument
708   rc = sqlite3OsOpen(g.pVfs, zName, p->pReal, flags, pOutFlags);  in jtOpen()
733 static int jtDelete(sqlite3_vfs *pVfs, const char *zPath, int dirSync){  in jtDelete()  argument
743   return sqlite3OsDelete(g.pVfs, zPath, dirSync);  in jtDelete()
751   sqlite3_vfs *pVfs,   in jtAccess()  argument
756   return sqlite3OsAccess(g.pVfs, zPath, flags, pResOut);  in jtAccess()
765   sqlite3_vfs *pVfs,   in jtFullPathname()  argument
770   return sqlite3OsFullPathname(g.pVfs, zPath, nOut, zOut);  in jtFullPathname()
776 static void *jtDlOpen(sqlite3_vfs *pVfs, const char *zPath){  in jtDlOpen()  argument
777   return g.pVfs->xDlOpen(g.pVfs, zPath);  in jtDlOpen()
785 static void jtDlError(sqlite3_vfs *pVfs, int nByte, char *zErrMsg){  in jtDlError()  argument
786   g.pVfs->xDlError(g.pVfs, nByte, zErrMsg);  in jtDlError()
792 static void (*jtDlSym(sqlite3_vfs *pVfs, void *p, const char *zSym))(void){  in jtDlSym()  argument
793   return g.pVfs->xDlSym(g.pVfs, p, zSym);  in jtDlSym()
799 static void jtDlClose(sqlite3_vfs *pVfs, void *pHandle){  in jtDlClose()  argument
800   g.pVfs->xDlClose(g.pVfs, pHandle);  in jtDlClose()
807 static int jtRandomness(sqlite3_vfs *pVfs, int nByte, char *zBufOut){  in jtRandomness()  argument
808   return sqlite3OsRandomness(g.pVfs, nByte, zBufOut);  in jtRandomness()
815 static int jtSleep(sqlite3_vfs *pVfs, int nMicro){  in jtSleep()  argument
816   return sqlite3OsSleep(g.pVfs, nMicro);  in jtSleep()
822 static int jtCurrentTime(sqlite3_vfs *pVfs, double *pTimeOut){  in jtCurrentTime()  argument
823   return g.pVfs->xCurrentTime(g.pVfs, pTimeOut);  in jtCurrentTime()
828 static int jtCurrentTimeInt64(sqlite3_vfs *pVfs, sqlite3_int64 *pTimeOut){  in jtCurrentTimeInt64()  argument
829   return g.pVfs->xCurrentTimeInt64(g.pVfs, pTimeOut);  in jtCurrentTimeInt64()
832 static int jtGetLastError(sqlite3_vfs *pVfs, int n, char *z){  in jtGetLastError()  argument
833   return g.pVfs->xGetLastError(g.pVfs, n, z);  in jtGetLastError()
848   g.pVfs = sqlite3_vfs_find(zWrap);  in jt_register()
849   if( g.pVfs==0 ){  in jt_register()
852   jt_vfs.szOsFile = sizeof(jt_file) + g.pVfs->szOsFile;  in jt_register()
853   if( g.pVfs->iVersion==1 ){  in jt_register()
855   }else if( g.pVfs->xCurrentTimeInt64==0 ){  in jt_register()