2 //===--------------------------- cstdlib ----------------------------------===//
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
102 #ifndef _LIBCPP_HAS_NO_LONG_LONG
104 #endif // _LIBCPP_HAS_NO_LONG_LONG
108 #ifndef _LIBCPP_HAS_NO_LONG_LONG
110 #endif // _LIBCPP_HAS_NO_LONG_LONG
115 #ifndef _LIBCPP_HAS_NO_LONG_LONG
117 #endif // _LIBCPP_HAS_NO_LONG_LONG
119 #ifndef _LIBCPP_HAS_NO_LONG_LONG
121 #endif // _LIBCPP_HAS_NO_LONG_LONG
132 #ifndef _LIBCPP_WINDOWS_STORE_APP
140 #ifndef _LIBCPP_HAS_NO_LONG_LONG
142 #endif // _LIBCPP_HAS_NO_LONG_LONG
145 #ifndef _LIBCPP_HAS_NO_LONG_LONG
147 #endif // _LIBCPP_HAS_NO_LONG_LONG
153 #if !defined(_LIBCPP_CXX03_LANG) && defined(_LIBCPP_HAS_QUICK_EXIT)
154 using ::at_quick_exit;
157 #if _LIBCPP_STD_VER > 14 && defined(_LIBCPP_HAS_ALIGNED_ALLOC)
158 using ::aligned_alloc;
161 _LIBCPP_END_NAMESPACE_STD
163 #endif // _LIBCPP_CSTDLIB