-
- # set environement value for this symbol
- meth environ=(v: String) do to_s.to_cstring.set_environ(v.to_cstring, 1)
-
- # set default environement value for this symbol
- meth environ_default=(v: String) do to_s.to_cstring.set_environ(v.to_cstring, 0)
-
- # Unset the environement value of this symbol
- meth unset do to_s.to_cstring.unset_environ