2 //===--------------------------- cstring ----------------------------------===//
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_CSTRING
11 #define _LIBCPP_CSTRING
27 void* memcpy(void* restrict s1, const void* restrict s2, size_t n);
28 void* memmove(void* s1, const void* s2, size_t n);
29 char* strcpy (char* restrict s1, const char* restrict s2);
30 char* strncpy(char* restrict s1, const char* restrict s2, size_t n);
31 char* strcat (char* restrict s1, const char* restrict s2);
32 char* strncat(char* restrict s1, const char* restrict s2, size_t n);
33 int memcmp(const void* s1, const void* s2, size_t n);
34 int strcmp (const char* s1, const char* s2);
35 int strncmp(const char* s1, const char* s2, size_t n);
36 int strcoll(const char* s1, const char* s2);
37 size_t strxfrm(char* restrict s1, const char* restrict s2, size_t n);
38 const void* memchr(const void* s, int c, size_t n);
39 void* memchr( void* s, int c, size_t n);
40 const char* strchr(const char* s, int c);
41 char* strchr( char* s, int c);
42 size_t strcspn(const char* s1, const char* s2);
43 const char* strpbrk(const char* s1, const char* s2);
44 char* strpbrk( char* s1, const char* s2);
45 const char* strrchr(const char* s, int c);
46 char* strrchr( char* s, int c);
47 size_t strspn(const char* s1, const char* s2);
48 const char* strstr(const char* s1, const char* s2);
49 char* strstr( char* s1, const char* s2);
50 char* strtok(char* restrict s1, const char* restrict s2);
51 void* memset(void* s, int c, size_t n);
52 char* strerror(int errnum);
53 size_t strlen(const char* s);
62 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
63 #pragma GCC system_header
66 _LIBCPP_BEGIN_NAMESPACE_STD
87 #ifndef _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS
94 _LIBCPP_END_NAMESPACE_STD
96 #endif // _LIBCPP_CSTRING