10 #if !defined(__STDDEF_H) || defined(__need_ptrdiff_t) || \ 11 defined(__need_size_t) || defined(__need_wchar_t) || \ 12 defined(__need_NULL) || defined(__need_wint_t) 14 #if !defined(__need_ptrdiff_t) && !defined(__need_size_t) && \ 15 !defined(__need_wchar_t) && !defined(__need_NULL) && \ 16 !defined(__need_wint_t) 18 #if !__has_feature(modules) 21 #define __need_ptrdiff_t 23 #define __need_wchar_t 25 #define __need_STDDEF_H_misc 29 #if defined(__need_ptrdiff_t) 30 #if !defined(_PTRDIFF_T) || __has_feature(modules) 32 #if !__has_feature(modules) 37 #undef __need_ptrdiff_t 40 #if defined(__need_size_t) 41 #if !defined(_SIZE_T) || __has_feature(modules) 43 #if !__has_feature(modules) 51 #if defined(__need_STDDEF_H_misc) 54 #if (defined(__STDC_WANT_LIB_EXT1__) && __STDC_WANT_LIB_EXT1__ >= 1 && \ 55 !defined(_RSIZE_T)) || __has_feature(modules) 57 #if !__has_feature(modules) 60 typedef __SIZE_TYPE__ rsize_t;
64 #if defined(__need_wchar_t) 67 #if !defined(_WCHAR_T) || __has_feature(modules) 68 #if !__has_feature(modules) 70 #if defined(_MSC_EXTENSIONS) 71 #define _WCHAR_T_DEFINED 80 #if defined(__need_NULL) 83 # if !defined(__MINGW32__) && !defined(_MSC_VER) 89 # define NULL ((void*)0) 92 #if defined(_MSC_EXTENSIONS) && defined(_NATIVE_NULLPTR_SUPPORTED) 93 namespace std {
typedef decltype(
nullptr) nullptr_t; }
94 using ::std::nullptr_t;
100 #if defined(__need_STDDEF_H_misc) 101 #if __STDC_VERSION__ >= 201112L || __cplusplus >= 201103L 104 #define offsetof(t, d) __builtin_offsetof(t, d) 105 #undef __need_STDDEF_H_misc 110 #if defined(__need_wint_t) 112 #if !defined(_WINT_T) || __has_feature(modules) 113 #if !__has_feature(modules) 116 typedef __WINT_TYPE__ wint_t;
__PTRDIFF_TYPE__ ptrdiff_t