1.5 Designator classes
pointer-value-address
Open generic function
Summary
Returns a pointer of the same type as a C-typed pointer that points to the object offset into the C-typed pointer.
Signature
pointer-value-address C-typed-pointer #key index => object
Arguments
- c-typed-pointer
- An instance of
<C-statically-typed-pointer> - index
- An instance of
<integer>.
Values
- object
- An instance of
<object>.
Library
c-ffi
Module
c-ffi
Description
Returns a pointer of the same type as C-typed-pointer that points to the indexth object offset into C-typed-pointer. The following expression is guaranteed to be true:
pointer-value(C-typed-pointer, index: i) = pointer-value (pointer-value-address(C-typed-pointer, index: i))