format  Sint32 CDC_GetFileScope (Sint32 * fid, Sint32 * infnum, Bool * drend)
 Input  None
 Output  fid: First file identifier held
:  infnum: Number of stored file information
:  drend: Last directory record retention flag
 Function value  Returns an error code.
 Function  Returns the range of file information currently held by the CD block. 

 
  (1) Last directory record retention flag  

現在 の Current retention file information range is the last directory record in the directory block.
Notify if it contains. This allows you to determine if there are subsequent directory records. 

constant name	description
TRUE	Holds the last directory record.
FALSE	The last directory record is not retained.

  Remarks  Since you and your parent directory are always retained, they are not included in the number of file information. 

 format  Sint32 CDC_TgetFileInfo (Sint32 fid, CdcFile * file)
 Input  fid: File identifier (CDC_NUL_FID: Indicates all file information)
 Output  file: File information
 Function value  Returns an error code.
 Function  Get file information (12 bytes) by specifying a file identifier from the range of retained file information
 .
  If CDC_NUL_FID is specified as the file identifier, all file information held by the CD block
 Get  information (up to 254 excluding yourself and parents). 

 Note: Immediately after issuing the Read File (CDC_ReadFile) command, the command is overwritten.
Please be sure to leave at least 16.7ms to prevent it. 

 Example  CdcFile file; / * Secure one file information storage area * /
  ret = CDC_TgetFileInfo (fid, & file); 

:  CdcFile allfile [254]; / ​​* Secure all file information storage area * /
:  ret = CDC_TgetFileInfo (CDC_NUL_FID, allfile);