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! { dg-do run }

! { dg-additional-sources c_funloc_tests_3_funcs.c }

! This testcase tests c_funloc and c_funptr from iso_c_binding.  It uses

! functions defined in c_funloc_tests_3_funcs.c.

module c_funloc_tests_3

 implicit none

contains

  function ffunc(j) bind(c)

    use iso_c_binding, only: c_funptr, c_int

    integer(c_int)        :: ffunc

    integer(c_int), value :: j

    ffunc = -17*j

  end function ffunc

end module c_funloc_tests_3

program main

  use iso_c_binding, only: c_funptr, c_funloc

  use c_funloc_tests_3, only: ffunc

  implicit none

  interface

    function returnFunc() bind(c,name="returnFunc")

       use iso_c_binding, only: c_funptr

       type(c_funptr) :: returnFunc

    end function returnFunc

    subroutine callFunc(func,pass,compare) bind(c,name="callFunc")

       use iso_c_binding, only: c_funptr, c_int

       type(c_funptr), value :: func

       integer(c_int), value :: pass,compare

    end subroutine callFunc

  end interface

  type(c_funptr) :: p

  p = returnFunc()

  call callFunc(p, 13,3*13)

  p = c_funloc(ffunc)

  call callFunc(p, 21,-17*21)

end program main

! { dg-final { cleanup-modules "c_funloc_tests_3" } }