2 //===----------------------------------------------------------------------===//
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
8 //===----------------------------------------------------------------------===//
10 #ifndef _LIBCPP_CSTDLIB
11 #define _LIBCPP_CSTDLIB
34 double atof (const char* nptr);
35 int atoi (const char* nptr);
36 long atol (const char* nptr);
37 long long atoll(const char* nptr); // C99
38 double strtod (const char* restrict nptr, char** restrict endptr);
39 float strtof (const char* restrict nptr, char** restrict endptr); // C99
40 long double strtold (const char* restrict nptr, char** restrict endptr); // C99
41 long strtol (const char* restrict nptr, char** restrict endptr, int base);
42 long long strtoll (const char* restrict nptr, char** restrict endptr, int base); // C99
43 unsigned long strtoul (const char* restrict nptr, char** restrict endptr, int base);
44 unsigned long long strtoull(const char* restrict nptr, char** restrict endptr, int base); // C99
46 void srand(unsigned int seed);
47 void* calloc(size_t nmemb, size_t size);
49 void* malloc(size_t size);
50 void* realloc(void* ptr, size_t size);
52 int atexit(void (*func)(void));
53 void exit(int status);
54 void _Exit(int status);
55 char* getenv(const char* name);
56 int system(const char* string);
57 void* bsearch(const void* key, const void* base, size_t nmemb, size_t size,
58 int (*compar)(const void *, const void *));
59 void qsort(void* base, size_t nmemb, size_t size,
60 int (*compar)(const void *, const void *));
63 long long abs(long long j); // C++0X
65 long long llabs(long long j); // C99
66 div_t div( int numer, int denom);
67 ldiv_t div( long numer, long denom);
68 lldiv_t div(long long numer, long long denom); // C++0X
69 ldiv_t ldiv( long numer, long denom);
70 lldiv_t lldiv(long long numer, long long denom); // C99
71 int mblen(const char* s, size_t n);
72 int mbtowc(wchar_t* restrict pwc, const char* restrict s, size_t n);
73 int wctomb(char* s, wchar_t wchar);
74 size_t mbstowcs(wchar_t* restrict pwcs, const char* restrict s, size_t n);
75 size_t wcstombs(char* restrict s, const wchar_t* restrict pwcs, size_t n);
76 int at_quick_exit(void (*func)(void)) // C++11
77 void quick_exit(int status); // C++11
78 void *aligned_alloc(size_t alignment, size_t size); // C11
87 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
88 #pragma GCC system_header
92 #define _LIBCPP_UNREACHABLE() __builtin_unreachable()
94 #define _LIBCPP_UNREACHABLE() _VSTD::abort()
97 _LIBCPP_BEGIN_NAMESPACE_STD
99 using ::size_t _LIBCPP_USING_IF_EXISTS;
100 using ::div_t _LIBCPP_USING_IF_EXISTS;
101 using ::ldiv_t _LIBCPP_USING_IF_EXISTS;
102 using ::lldiv_t _LIBCPP_USING_IF_EXISTS;
103 using ::atof _LIBCPP_USING_IF_EXISTS;
104 using ::atoi _LIBCPP_USING_IF_EXISTS;
105 using ::atol _LIBCPP_USING_IF_EXISTS;
106 using ::atoll _LIBCPP_USING_IF_EXISTS;
107 using ::strtod _LIBCPP_USING_IF_EXISTS;
108 using ::strtof _LIBCPP_USING_IF_EXISTS;
109 using ::strtold _LIBCPP_USING_IF_EXISTS;
110 using ::strtol _LIBCPP_USING_IF_EXISTS;
111 using ::strtoll _LIBCPP_USING_IF_EXISTS;
112 using ::strtoul _LIBCPP_USING_IF_EXISTS;
113 using ::strtoull _LIBCPP_USING_IF_EXISTS;
114 using ::rand _LIBCPP_USING_IF_EXISTS;
115 using ::srand _LIBCPP_USING_IF_EXISTS;
116 using ::calloc _LIBCPP_USING_IF_EXISTS;
117 using ::free _LIBCPP_USING_IF_EXISTS;
118 using ::malloc _LIBCPP_USING_IF_EXISTS;
119 using ::realloc _LIBCPP_USING_IF_EXISTS;
120 using ::abort _LIBCPP_USING_IF_EXISTS;
121 using ::atexit _LIBCPP_USING_IF_EXISTS;
122 using ::exit _LIBCPP_USING_IF_EXISTS;
123 using ::_Exit _LIBCPP_USING_IF_EXISTS;
124 #ifndef _LIBCPP_WINDOWS_STORE_APP
125 using ::getenv _LIBCPP_USING_IF_EXISTS;
126 using ::system _LIBCPP_USING_IF_EXISTS;
128 using ::bsearch _LIBCPP_USING_IF_EXISTS;
129 using ::qsort _LIBCPP_USING_IF_EXISTS;
130 using ::abs _LIBCPP_USING_IF_EXISTS;
131 using ::labs _LIBCPP_USING_IF_EXISTS;
132 using ::llabs _LIBCPP_USING_IF_EXISTS;
133 using ::div _LIBCPP_USING_IF_EXISTS;
134 using ::ldiv _LIBCPP_USING_IF_EXISTS;
135 using ::lldiv _LIBCPP_USING_IF_EXISTS;
136 using ::mblen _LIBCPP_USING_IF_EXISTS;
137 using ::mbtowc _LIBCPP_USING_IF_EXISTS;
138 using ::wctomb _LIBCPP_USING_IF_EXISTS;
139 using ::mbstowcs _LIBCPP_USING_IF_EXISTS;
140 using ::wcstombs _LIBCPP_USING_IF_EXISTS;
141 #if !defined(_LIBCPP_CXX03_LANG) && defined(_LIBCPP_HAS_QUICK_EXIT)
142 using ::at_quick_exit _LIBCPP_USING_IF_EXISTS;
143 using ::quick_exit _LIBCPP_USING_IF_EXISTS;
145 #if _LIBCPP_STD_VER > 14 && defined(_LIBCPP_HAS_ALIGNED_ALLOC)
146 using ::aligned_alloc _LIBCPP_USING_IF_EXISTS;
149 _LIBCPP_END_NAMESPACE_STD
151 #endif // _LIBCPP_CSTDLIB