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c_loc (Rev #3, changes)

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Description

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

Standard

Fortran 2003 and later

Class

(削除) Inquiry function (削除ここまで)(追記) Inquiry function (追記ここまで)

Syntax

result = c_loc(x)

Arguments

• x - Associated scalar pointer or interoperable scalar or allocated allocatable variable with target attribute.

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
 real, pointer :: a
 type(c_ptr) :: b
 if(c_associated(b, c_loc(a))) &
 stop 'b and a do not point to same target'
end subroutine association_test

See also

c_associated, c_funloc, c_f_pointer, c_f_procpointer, iso_c_binding

Revision from May 3, 2009 22:45:30 by Jason Blevins

Forward in time (to current) | Back in time (2 more) | See current | Hide changes | History | Rollback | View: Source | Linked from: Intrinsic procedures, c_associated, c_f_pointer, c_f_procpointer, c_funloc, C interoperability, iso_c_binding