// -*- C++ -*-
//===--------------------------- cstring ----------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCUDACXX_CSTRING
#define _LIBCUDACXX_CSTRING

/*
    cstring synopsis

Macros:

    NULL

namespace std
{

Types:

    size_t

void* memcpy(void* restrict s1, const void* restrict s2, size_t n);
void* memmove(void* s1, const void* s2, size_t n);
char* strcpy (char* restrict s1, const char* restrict s2);
char* strncpy(char* restrict s1, const char* restrict s2, size_t n);
char* strcat (char* restrict s1, const char* restrict s2);
char* strncat(char* restrict s1, const char* restrict s2, size_t n);
int memcmp(const void* s1, const void* s2, size_t n);
int strcmp (const char* s1, const char* s2);
int strncmp(const char* s1, const char* s2, size_t n);
int strcoll(const char* s1, const char* s2);
size_t strxfrm(char* restrict s1, const char* restrict s2, size_t n);
const void* memchr(const void* s, int c, size_t n);
      void* memchr(      void* s, int c, size_t n);
const char* strchr(const char* s, int c);
      char* strchr(      char* s, int c);
size_t strcspn(const char* s1, const char* s2);
const char* strpbrk(const char* s1, const char* s2);
      char* strpbrk(      char* s1, const char* s2);
const char* strrchr(const char* s, int c);
      char* strrchr(      char* s, int c);
size_t strspn(const char* s1, const char* s2);
const char* strstr(const char* s1, const char* s2);
      char* strstr(      char* s1, const char* s2);
char* strtok(char* restrict s1, const char* restrict s2);
void* memset(void* s, int c, size_t n);
char* strerror(int errnum);
size_t strlen(const char* s);

}  // std

*/

#include <cuda/std/detail/__config>

#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
#  pragma GCC system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
#  pragma clang system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
#  pragma system_header
#endif // no system header

#if defined(_CCCL_COMPILER_MSVC)
#  include <cstring>
#else // ^^^ _CCCL_COMPILER_MSVC ^^^ / vvv !_CCCL_COMPILER_MSVC vvv
#  include <cuda/std/detail/libcxx/include/string.h>
#endif // !_CCCL_COMPILER_MSVC

_LIBCUDACXX_BEGIN_NAMESPACE_STD

using ::memcpy;
using ::memset;
using ::size_t;

#ifndef _CCCL_COMPILER_NVRTC
using ::memchr;
using ::memcmp;
using ::memmove;
using ::strcat;
using ::strchr;
using ::strcmp;
using ::strcoll;
using ::strcpy;
using ::strcspn;
using ::strncat;
using ::strncmp;
using ::strncpy;
using ::strpbrk;
using ::strrchr;
using ::strspn;
using ::strstr;
using ::strxfrm;
#  ifndef _LIBCUDACXX_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS
using ::strtok;
#  endif
using ::strerror;
using ::strlen;
#endif // _CCCL_COMPILER_NVRTC

_LIBCUDACXX_END_NAMESPACE_STD

#endif // _LIBCUDACXX_CSTRING
