/*++

Copyright (c) 2024-2025, Quinn Stephens.
Provided under the BSD 3-Clause license.

Module Name:

   stddef.h

Abstract:

   Provides standard types and definitions.

--*/

#pragma once

#ifndef _STDDEF_H
#define _STDDEF_H 1

#ifdef __cplusplus
extern "C" {
#endif

#ifndef NULL
#if defined(__cplusplus) && __cplusplus >= 201103L
#define NULL nullptr
#elif defined(__cplusplus)
#define NULL 0
#else
#define NULL ((void*)0)
#endif
#endif

#ifndef _SIZE_T_DEFINED
#define _SIZE_T_DEFINED
#ifdef _WIN64
typedef unsigned __int64 size_t;
#else
typedef unsigned int size_t;
#endif
#endif

#ifndef _PTRDIFF_T_DEFINED
#define _PTRDIFF_T_DEFINED
#ifdef _WIN64
typedef __int64 ptrdiff_t;
#else
typedef long int ptrdiff_t;
#endif
#endif

#ifndef _WCHAR_T_DEFINED
#define _WCHAR_T_DEFINED
typedef unsigned short wchar_t;
#endif

#define offsetof(type, member) __builtin_offsetof(type, member)

#ifdef __cplusplus
}
#endif

#endif /* !_STDDEF_H */