# mfsRamResizeFile

    Format:	s32 mfsRamResizeFile(MfsDirID dirID, s32 size)
    Arguments:	dirID		Directory ID of file
    	size		File size
    Return value:Error
    Function:	Changes file size
    Description:	This function changes the size of the file specified by dirID.  The file is either enlarged or a portion of the file is truncated depending on the value of size and the initial size of the file.
    When the file is enlarged, the new area data is undefined.  When the file is truncated, the data following the new end of the file is lost.

    Main errors:
    	MFS_ERR_NO	Normal termination
    	MFS_ERR_NOTFOUND Specified directory not found
    	MFS_ERR_PROTECT	Write protected
    			The file attribute is write protected, or the volume attribute is write protected, or the parent directory is write protected.