Appendix B Error handling method

 Cause  The CD block has caused a read error.
 Action  If a read error occurs in GFS_NwExecOne, GFS_NwExecServer, the function value
  returns GFS_ERR_CDRD, but if the server function is called as is, recovery processing is performed. Complete
  Return-only access returns GFS_ERR_CDRD and does not perform recovery processing. This place
If  , please read the file again.
  If read errors occur frequently, check the CD-ROM hardware and media.
 Please . 

 Cause  CD-ROM is not set.
 Action  Please insert a CD-ROM and try again. 

 Cause  A disc that is not a CD-ROM is loaded.
 Action  Please insert the correct CD-ROM and try again. 

 Cause  The contents of the directory management structure are invalid.
 Action  Before calling GFS_Init and GFS_LoadDir, set a value for each member of the directory management structure.
  Make sure that you have not forgotten to set it or that an invalid value has been set. 

 Cause  The value of the maximum number of open is invalid.
 Solution  Check whether the maximum open number specified by calling GFS_Init exceeds the range of 1 to 24
Please  . 

 Cause  The specified file is not a directory.
 Action  Check the correspondence between the file identifier and the file. 

 Cause  An attempt was made to use a CD block file system even though it was not declared.
 Solution  If using the CD block file system, the directory management area address is NULL.
Please specify   and call GFS_Init.
  If you do not use the CD block file system, specify NULL in GFS_LoadDir and GFS_SetDir.
 Do not specify . 

 Cause  File name cannot be handled in the current directory.
 Action  Specify a directory management area with GFS_DIR_BL_TYPE set to GFS_DIRTBL_TYPE,
Call   Init or GFS_LoadDir. 

 Cause  The specified file name does not exist.
 Action  Check if the current directory setting or file name is specified correctly.