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9.55 C_FUNLOC — Obtain the C address of a procedure

Description:

C_FUNLOC(x) determines the C address of the argument.

Standard:

Fortran 2003 and later

Class:

Inquiry function

Syntax:

RESULT = C_FUNLOC(x)

Arguments:
xInteroperable function or pointer to such function.
Return value:

The return value is of type C_FUNPTR and contains the C address of the argument.

Example:
module x
  use iso_c_binding
  implicit none
contains
  subroutine sub(a) bind(c)
    real(c_float) :: a
    a = sqrt(a)+5.0
  end subroutine sub
end module x
program main
  use iso_c_binding
  use x
  implicit none
  interface
    subroutine my_routine(p) bind(c,name='myC_func')
      import :: c_funptr
      type(c_funptr), intent(in) :: p
    end subroutine
  end interface
  call my_routine(c_funloc(sub))
end program main
See also:

C_ASSOCIATED, C_LOC, C_F_POINTER, C_F_PROCPOINTER