llvm-project
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1// -*- C++ -*-
2//===----------------------------------------------------------------------===//
3//
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
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef _LIBCPP_CSTRING11#define _LIBCPP_CSTRING12
13/*
14cstring synopsis
15
16Macros:
17
18NULL
19
20namespace std
21{
22
23Types:
24
25size_t
26
27void* memcpy(void* restrict s1, const void* restrict s2, size_t n);
28void* memmove(void* s1, const void* s2, size_t n);
29char* strcpy (char* restrict s1, const char* restrict s2);
30char* strncpy(char* restrict s1, const char* restrict s2, size_t n);
31char* strcat (char* restrict s1, const char* restrict s2);
32char* strncat(char* restrict s1, const char* restrict s2, size_t n);
33int memcmp(const void* s1, const void* s2, size_t n);
34int strcmp (const char* s1, const char* s2);
35int strncmp(const char* s1, const char* s2, size_t n);
36int strcoll(const char* s1, const char* s2);
37size_t strxfrm(char* restrict s1, const char* restrict s2, size_t n);
38const void* memchr(const void* s, int c, size_t n);
39void* memchr( void* s, int c, size_t n);
40const char* strchr(const char* s, int c);
41char* strchr( char* s, int c);
42size_t strcspn(const char* s1, const char* s2);
43const char* strpbrk(const char* s1, const char* s2);
44char* strpbrk( char* s1, const char* s2);
45const char* strrchr(const char* s, int c);
46char* strrchr( char* s, int c);
47size_t strspn(const char* s1, const char* s2);
48const char* strstr(const char* s1, const char* s2);
49char* strstr( char* s1, const char* s2);
50char* strtok(char* restrict s1, const char* restrict s2);
51void* memset(void* s, int c, size_t n);
52char* strerror(int errnum);
53size_t strlen(const char* s);
54
55} // std
56
57*/
58
59#include <__config>60#include <__type_traits/is_constant_evaluated.h>61
62#include <string.h>63
64#ifndef _LIBCPP_STRING_H65# error <cstring> tried including <string.h> but didn't find libc++'s <string.h> header. \66This usually means that your header search paths are not configured properly. \67The header search paths should contain the C++ Standard Library headers before \68any C Standard Library, and you are probably using compiler flags that make that \69not be the case.70#endif71
72#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)73# pragma GCC system_header74#endif75
76_LIBCPP_BEGIN_NAMESPACE_STD
77
78using ::size_t _LIBCPP_USING_IF_EXISTS;79using ::memcpy _LIBCPP_USING_IF_EXISTS;80using ::memmove _LIBCPP_USING_IF_EXISTS;81using ::strcpy _LIBCPP_USING_IF_EXISTS;82using ::strncpy _LIBCPP_USING_IF_EXISTS;83using ::strcat _LIBCPP_USING_IF_EXISTS;84using ::strncat _LIBCPP_USING_IF_EXISTS;85using ::memcmp _LIBCPP_USING_IF_EXISTS;86using ::strcmp _LIBCPP_USING_IF_EXISTS;87using ::strncmp _LIBCPP_USING_IF_EXISTS;88using ::strcoll _LIBCPP_USING_IF_EXISTS;89using ::strxfrm _LIBCPP_USING_IF_EXISTS;90using ::memchr _LIBCPP_USING_IF_EXISTS;91using ::strchr _LIBCPP_USING_IF_EXISTS;92using ::strcspn _LIBCPP_USING_IF_EXISTS;93using ::strpbrk _LIBCPP_USING_IF_EXISTS;94using ::strrchr _LIBCPP_USING_IF_EXISTS;95using ::strspn _LIBCPP_USING_IF_EXISTS;96using ::strstr _LIBCPP_USING_IF_EXISTS;97using ::strtok _LIBCPP_USING_IF_EXISTS;98using ::memset _LIBCPP_USING_IF_EXISTS;99using ::strerror _LIBCPP_USING_IF_EXISTS;100using ::strlen _LIBCPP_USING_IF_EXISTS;101
102_LIBCPP_END_NAMESPACE_STD
103
104#endif // _LIBCPP_CSTRING105