mfsRamGetFileRC


Format:	s32 mfsRamGetFileRC(MfsDirID dirID)
Arguments:	dirID	Directory ID of file (directory)
Return value:Update counter of file (directory) (a negative value is an error)
Function:	Obtains update counter value of file (directory)
Description:	This function obtains the update counter value of the file (directory).
The update counter value is incremented when data is written to a file or when the file name or file attribute is changed.  For a directory, the update counter value is also incremented when a file or directory that belongs to it has been changed.  The maximum update counter value is 255, and the value cannot be incremented above 255

Main errors:
	MFS_ERR_NO		Normal termination
	MFS_ERR_NOTFOUND	Specified directory not found