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Annotation of 43BSD/usr.lib/libU77/test/sigtst.f, revision 1.1.1.1

1.1       root        1:        external fpe
                      2:        integer signal
                      3:        isave = signal(8, 0, 1)
                      4:        write(*,*) "1", signal(8, 0, 0)
                      5:        write(*,*) "0", signal(8, fpe, -1)
                      6:        write(*,*) "addr fpe", signal(8, 0, isave)
                      7:        write(*,*) isave, signal(8, fpe, -1)
                      8:        x = 1/x
                      9:        write(*,*) "Back again"
                     10:        z = 1/z
                     11:        write(*,*) "Saved again"
                     12:        end
                     13: 
                     14:        subroutine fpe(flag)
                     15:        call signal(8, fpe, -1)
                     16: c      call sigset()
                     17:        write(*,*) "Hi there sports fans!"
                     18:        call flush(6)
                     19:        return
                     20:        end
                     21: 
                     22:        subroutine sigset()
                     23:        external fpe
                     24:        call signal(8, fpe, -1)
                     25:        return
                     26:        end

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