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1//
2// strtok.cpp
3//
4// Copyright (c) Microsoft Corporation. All rights reserved.
5//
6// Defines strtok(), which tokenizes a string via repeated calls.
7//
8// strtok() considers the string to consist of a sequence of zero or more text
9// tokens separated by spans of one or more control characters. The first call,
10// with a string specified, returns a pointer to the first character of the
11// first token, and will write a null character into the string immediately
12// following the returned token. Subsequent calls with a null string argument
13// will work through the string until no tokens remain. The control string
14// may be different from call to call. When no tokens remain in the string, a
15// null pointer is returned.
16//
17#include <corecrt_internal.h>
18#include <string.h>
19
20
21
22extern "C" char* __cdecl __acrt_strtok_s_novalidation(
23 _Inout_opt_z_ char* string,
24 _In_z_ char const* control,
25 _Inout_ _Deref_prepost_opt_z_ char** context
26 );
27
28
29
30extern "C" char* __cdecl strtok(char* const string, char const* const control)
31{
32 return __acrt_strtok_s_novalidation(string, control, &__acrt_getptd()->_strtok_token);
33}