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      1 /**
      2  * D header file for C99.
      3  *
      4  * $(C_HEADER_DESCRIPTION pubs.opengroup.org/onlinepubs/009695399/basedefs/_string.h.html, _string.h)
      5  *
      6  * Copyright: Copyright Sean Kelly 2005 - 2009.
      7  * License: Distributed under the
      8  *      $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0).
      9  *    (See accompanying file LICENSE)
     10  * Authors:   Sean Kelly
     11  * Source:    $(DRUNTIMESRC core/stdc/_string.d)
     12  * Standards: ISO/IEC 9899:1999 (E)
     13  */
     14 
     15 module core.stdc.string;
     16 
     17 version (OSX)
     18     version = Darwin;
     19 else version (iOS)
     20     version = Darwin;
     21 else version (TVOS)
     22     version = Darwin;
     23 else version (WatchOS)
     24     version = Darwin;
     25 
     26 // Those libs don't expose the mandated C interface
     27 version (CRuntime_Glibc)
     28     version = ReturnStrerrorR;
     29 else version (CRuntime_UClibc)
     30     version = ReturnStrerrorR;
     31 
     32 extern (C):
     33 @system:
     34 nothrow:
     35 @nogc:
     36 
     37 ///
     38 inout(void)* memchr(return scope inout void* s, int c, size_t n) pure;
     39 ///
     40 int   memcmp(scope const void* s1, scope const void* s2, size_t n) pure;
     41 ///
     42 void* memcpy(return scope void* s1, scope const void* s2, size_t n) pure;
     43 version (Windows)
     44 {
     45     ///
     46     int memicmp(scope const char* s1, scope const char* s2, size_t n);
     47 }
     48 ///
     49 void* memmove(return scope void* s1, scope const void* s2, size_t n) pure;
     50 ///
     51 void* memset(return scope void* s, int c, size_t n) pure;
     52 
     53 ///
     54 char*  strcat(return scope char* s1, scope const char* s2) pure;
     55 ///
     56 inout(char)*  strchr(return scope inout(char)* s, int c) pure;
     57 ///
     58 int    strcmp(scope const char* s1, scope const char* s2) pure;
     59 ///
     60 int    strcoll(scope const char* s1, scope const char* s2);
     61 ///
     62 char*  strcpy(return scope char* s1, scope const char* s2) pure;
     63 ///
     64 size_t strcspn(scope const char* s1, scope const char* s2) pure;
     65 ///
     66 char*  strdup(scope const char *s);
     67 ///
     68 char*  strerror(int errnum);
     69 // This `strerror_r` definition is not following the POSIX standard
     70 version (ReturnStrerrorR)
     71 {
     72     ///
     73     const(char)* strerror_r(int errnum, return scope char* buf, size_t buflen);
     74 }
     75 // This one is
     76 else
     77 {
     78     int strerror_r(int errnum, scope char* buf, size_t buflen);
     79 }
     80 ///
     81 size_t strlen(scope const char* s) pure;
     82 ///
     83 char*  strncat(return scope char* s1, scope const char* s2, size_t n) pure;
     84 ///
     85 int    strncmp(scope const char* s1, scope const char* s2, size_t n) pure;
     86 ///
     87 char*  strncpy(return scope char* s1, scope const char* s2, size_t n) pure;
     88 ///
     89 inout(char)*  strpbrk(return scope inout(char)* s1, scope const char* s2) pure;
     90 ///
     91 inout(char)*  strrchr(return scope inout(char)* s, int c) pure;
     92 ///
     93 size_t strspn(scope const char* s1, scope const char* s2) pure;
     94 ///
     95 inout(char)*  strstr(return scope inout(char)* s1, scope const char* s2) pure;
     96 ///
     97 char*  strtok(return scope char* s1, scope const char* s2);
     98 ///
     99 size_t strxfrm(scope char* s1, scope const char* s2, size_t n);
    100