4 typedef __SIZE_TYPE__
size_t;
5 typedef __PTRDIFF_TYPE__ ssize_t
;
6 typedef __WCHAR_TYPE__
wchar_t;
7 typedef __PTRDIFF_TYPE__
ptrdiff_t;
8 typedef __PTRDIFF_TYPE__
intptr_t;
9 typedef __SIZE_TYPE__
uintptr_t;
11 #if __STDC_VERSION__ >= 201112L
12 typedef union { long long __ll
; long double __ld
; } max_align_t
;
16 #define NULL ((void*)0)
20 #define offsetof(type, field) ((size_t)&((type *)0)->field)
22 #if defined __i386__ || defined __x86_64__
23 void *alloca(size_t size
);
28 /* Older glibc require a wint_t from <stddef.h> (when requested
29 by __need_wint_t, as otherwise stddef.h isn't allowed to
30 define this type). Note that this must be outside the normal
31 _STDDEF_H guard, so that it works even when we've included the file
32 already (without requiring wint_t). Some other libs define _WINT_T
33 if they've already provided that type, so we can use that as guard.
34 TCC defines __WINT_TYPE__ for us. */
35 #if defined (__need_wint_t)
38 typedef __WINT_TYPE__
wint_t;