Files
vlibc/include/stddef.h
T

46 lines
1.2 KiB
C

#ifndef VLIBC_STDDEF_H
#define VLIBC_STDDEF_H
/*
* vlibc — <stddef.h>.
*
* Self-contained definitions of the common C types and macros (C23). Every
* definition here is derived from compiler builtins, so this header never
* borrows from a system header.
*
* The compatibility profile is exposed by include/vlibc/features.h; it is
* included here so consumers always see the configured VLIBC_LEVEL.
*/
#include <vlibc/features.h>
/* Integer type of the result of the sizeof operator. */
typedef __SIZE_TYPE__ size_t;
/* Signed integer type of the difference of two pointers. */
typedef __PTRDIFF_TYPE__ ptrdiff_t;
/* Wide character type. */
typedef __WCHAR_TYPE__ wchar_t;
/* Type of the null pointer constant nullptr (C23). */
typedef typeof(nullptr) nullptr_t;
/* Null pointer constant. */
#define NULL ((void *)0)
/* Offset in bytes of a member from the start of its enclosing object. */
#define offsetof(type, m) __builtin_offsetof(type, m)
/*
* An object type whose alignment is as great as that of any supported
* fundamental type; suitable as the storage type for aligned allocation.
*/
typedef struct
{
long long vll;
long double vld;
} max_align_t;
#endif /* VLIBC_STDDEF_H */