On Saturday, 6 April 2019 at 19:31:15 UTC, Robert M. Münch wrote: > I have a C interface that uses a parameter of type intptr_t. > Wondering if size_t is the correct D equivalent? I suppose, ptrdiff_t is. https://dlang.org/spec/type.html#ptrdiff_t https://dlang.org/spec/portability.html#32_to_64bit