9.52. C_LOC

9.52 C_LOC — Obtain the C address of an object

Description:
C_LOC(X) determines the C address of the argument.
Standard:
Fortran 2003 and later
Class:
Inquiry function
Syntax:
RESULT = C_LOC(X)
Arguments:
X Shall have either the POINTER or TARGET attribute. It shall not be a coindexed object. It shall either be a variable with interoperable type and kind type parameters, or be a scalar, nonpolymorphic variable with no length type parameters.
Return value:
The return value is of type C_PTR and contains the C address of the argument.
Example:
subroutine association_test(a,b)
  use iso_c_binding, only: c_associated, c_loc, c_ptr
  implicit none