}
	defer f.Close()
	defer func() {
		if pkg == "main" && !lib.Main {
			Exitf("%s: not package main", lib.File)
		}
	}()

	for i := 0; i < len(ARMAG); i++ {
		if c, err := f.ReadByte(); err == nil && c == ARMAG[i] {
			continue
		}

		/* load it as a regular file */
		l := f.MustSeek(0, 2)
		f.MustSeek(0, 0)
		ldobj(ctxt, f, lib, l, lib.File, lib.File)
		return
	}