subroutine f1 (n, *, i) integer n, i if (i .ne. 42) STOP 1 entry e1 (n, *) if (n .eq. 1) return 1 if (n .eq. 2) return return entry e2 (n, i, *, *, *) if (i .ne. 46) STOP 2 if (n .ge. 4) return return n entry e3 (n, i) if ((i .ne. 48) .or. (n .ne. 61)) STOP 3 end subroutine program alt_return implicit none call f1 (1, *10, 42) 20 continue STOP 4 10 continue call f1 (2, *20, 42) call f1 (3, *20, 42) call e1 (2, *20) call e1 (1, *30) STOP 5 30 continue call e2 (1, 46, *40, *20, *20) STOP 6 40 continue call e2 (2, 46, *20, *50, *20) STOP 7 50 continue call e2 (3, 46, *20, *20, *60) STOP 8 60 continue call e2 (4, 46, *20, *20, *20) call e3 (61, 48) end program