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      1 // -*- C++ -*-
      2 //===--------------------------- cstring ----------------------------------===//
      3 //
      4 //                     The LLVM Compiler Infrastructure
      5 //
      6 // This file is distributed under the University of Illinois Open Source
      7 // License. See LICENSE.TXT for details.
      8 //
      9 //===----------------------------------------------------------------------===//
     10 
     11 #ifndef _LIBCPP_CSTRING
     12 #define _LIBCPP_CSTRING
     13 
     14 /*
     15     cstring synopsis
     16 
     17 Macros:
     18 
     19     NULL
     20 
     21 namespace std
     22 {
     23 
     24 Types:
     25 
     26     size_t
     27 
     28 void* memcpy(void* restrict s1, const void* restrict s2, size_t n);
     29 void* memmove(void* s1, const void* s2, size_t n);
     30 char* strcpy (char* restrict s1, const char* restrict s2);
     31 char* strncpy(char* restrict s1, const char* restrict s2, size_t n);
     32 char* strcat (char* restrict s1, const char* restrict s2);
     33 char* strncat(char* restrict s1, const char* restrict s2, size_t n);
     34 int memcmp(const void* s1, const void* s2, size_t n);
     35 int strcmp (const char* s1, const char* s2);
     36 int strncmp(const char* s1, const char* s2, size_t n);
     37 int strcoll(const char* s1, const char* s2);
     38 size_t strxfrm(char* restrict s1, const char* restrict s2, size_t n);
     39 const void* memchr(const void* s, int c, size_t n);
     40       void* memchr(      void* s, int c, size_t n);
     41 const char* strchr(const char* s, int c);
     42       char* strchr(      char* s, int c);
     43 size_t strcspn(const char* s1, const char* s2);
     44 const char* strpbrk(const char* s1, const char* s2);
     45       char* strpbrk(      char* s1, const char* s2);
     46 const char* strrchr(const char* s, int c);
     47       char* strrchr(      char* s, int c);
     48 size_t strspn(const char* s1, const char* s2);
     49 const char* strstr(const char* s1, const char* s2);
     50       char* strstr(      char* s1, const char* s2);
     51 char* strtok(char* restrict s1, const char* restrict s2);
     52 void* memset(void* s, int c, size_t n);
     53 char* strerror(int errnum);
     54 size_t strlen(const char* s);
     55 
     56 }  // std
     57 
     58 */
     59 
     60 #include <__config>
     61 #include <string.h>
     62 
     63 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
     64 #pragma GCC system_header
     65 #endif
     66 
     67 _LIBCPP_BEGIN_NAMESPACE_STD
     68 
     69 using ::size_t;
     70 using ::memcpy;
     71 using ::memmove;
     72 using ::strcpy;
     73 using ::strncpy;
     74 using ::strcat;
     75 using ::strncat;
     76 using ::memcmp;
     77 using ::strcmp;
     78 using ::strncmp;
     79 using ::strcoll;
     80 using ::strxfrm;
     81 
     82 using ::memchr;
     83 
     84 using ::strchr;
     85 
     86 using ::strcspn;
     87 
     88 using ::strpbrk;
     89 
     90 using ::strrchr;
     91 
     92 using ::strspn;
     93 
     94 using ::strstr;
     95 
     96 // MSVCRT, GNU libc and its derivates already have the correct prototype in <string.h> #ifdef __cplusplus
     97 #if !defined(__GLIBC__) && !defined(_LIBCPP_MSVCRT) && !defined(__sun__) && !defined(_STRING_H_CPLUSPLUS_98_CONFORMANCE_)
     98 inline _LIBCPP_INLINE_VISIBILITY       char* strchr(      char* __s, int __c) {return ::strchr(__s, __c);}
     99 inline _LIBCPP_INLINE_VISIBILITY       char* strpbrk(      char* __s1, const char* __s2) {return ::strpbrk(__s1, __s2);}
    100 inline _LIBCPP_INLINE_VISIBILITY       char* strrchr(      char* __s, int __c) {return ::strrchr(__s, __c);}
    101 inline _LIBCPP_INLINE_VISIBILITY       void* memchr(      void* __s, int __c, size_t __n) {return ::memchr(__s, __c, __n);}
    102 inline _LIBCPP_INLINE_VISIBILITY       char* strstr(      char* __s1, const char* __s2) {return ::strstr(__s1, __s2);}
    103 #endif
    104 
    105 #ifndef _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS
    106 using ::strtok;
    107 #endif
    108 using ::memset;
    109 using ::strerror;
    110 using ::strlen;
    111 
    112 _LIBCPP_END_NAMESPACE_STD
    113 
    114 #endif  // _LIBCPP_CSTRING
    115