338   int fd;                         /* File descriptor open on current path */  member
423   pCur->fd = -1;  in fstreeOpen()
429   if( pCsr->fd>=0 ){  in fstreeCloseFd()
430     close(pCsr->fd);  in fstreeCloseFd()
431     pCsr->fd = -1;  in fstreeCloseFd()
460     pCsr->fd = open((const char*)sqlite3_column_text(pCsr->pStmt, 0), O_RDONLY);  in fstreeNext()
571     fstat(pCsr->fd, &sBuf);  in fstreeColumn()
580         nRead = read(pCsr->fd, aBuf, sBuf.st_mode);  in fstreeColumn()
731     int fd;  in fsColumn()  local
734     fd = open(zFile, O_RDONLY);  in fsColumn()
735     if( fd<0 ) return SQLITE_IOERR;  in fsColumn()
736     fstat(fd, &sbuf);  in fsColumn()
745         close(fd);  in fsColumn()
752     n = (int)read(fd, pCur->zBuf, sbuf.st_size);  in fsColumn()
753     close(fd);  in fsColumn()