// <cstddef> — C++ shim over the W65816 runtime's <stddef.h>.
//
// Pulls in the runtime's <stddef.h> and re-exports size_t / ptrdiff_t
// inside namespace std::.  NULL / offsetof stay as macros (per the C
// standard) and remain visible at global scope.
//
// std::nullptr_t is provided directly (it's a core-language type since
// C++11 — not something that lives in <stddef.h>).

#ifndef _W65816_CXX_CSTDDEF
#define _W65816_CXX_CSTDDEF

#include <stddef.h>

namespace std {

using ::size_t;
using ::ptrdiff_t;

using nullptr_t = decltype(nullptr);

// std::byte (C++17).  Defined as an enum class with explicit
// underlying type so the size is exactly one byte.
enum class byte : unsigned char {};

}  // namespace std

#endif  // _W65816_CXX_CSTDDEF