# mfsRomGetFileSize
mfsRamGetFileSize

    Format:	s32 mfsRomGetFileSize(MfsDirID dirID)
    	s32 mfsRamGetFileSize(MfsDirID dirID)
    Arguments:	dirID	Directory ID of file
    Return value:File size (a negative value is an error)
    Function:	Obtains file size
    Description:	This function obtains and returns the size of the file specified by dirID.

    Main errors:
    	MFS_ERR_NO		Normal termination
    	MFS_ERR_NOTFOUND	Specified directory not found