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