No error directory full disk full no such volume i/o error bad name error file not open end of file tried to postition before start of file memory full too many files open file not found write protected disk file is locked volume is locked file is busy duplicate filename file already open with write perm error in parameter list refnum error get file position error volume not online (was ejected) permission error (on file open) drive volume already online no such drive not a Mac diskette volume belongs to external fs file system rename error bad master directory block write permission error