{⟦
  org ↦ ⟦
    eolang ↦ ⟦
      sys ↦ ⟦
        getenv(name) ↦ ⟦
          φ ↦ Φ̇.sys.os.is-windows.if(
            Φ̇.sys.win32(
              "GetEnvironmentVariable", Φ̇.tuple(Φ̇.tuple(Φ̇.tuple.empty, ξ.name), 512)
            ),
            Φ̇.sys.posix("getenv", Φ̇.tuple(Φ̇.tuple.empty, ξ.name))
          ).output
        ⟧,
        λ ⤍ Package
      ⟧,
      λ ⤍ Package
    ⟧,
    λ ⤍ Package
  ⟧
⟧}