char	Edirnotempty[]	= "directory not empty on deletion";char	Eexists[]	= "file already exists";char	Enonexist[]	= "file does not exist";char	Eisdir[]	= "is a directory";char	Enotdir[]	= "not a directory";char	Eperm[]		= "permission denied";char	Erofs[]		= "read only filesystem";