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std::wcsspn

STD：：Wcsspn

Defined in header ​​
size_t wcsspn( const wchar_t* dest, const wchar_t* src ​​

返回所指向的宽字符串的最大初始段的长度。dest，它只包含在宽字符串中所指向的字符。src...

参数

dest-pointer to the null-terminated wide string to be analyzed
src-pointer to the null-terminated wide string that contains the characters to search for

返回值

所指向的最大初始段的长度，该段仅包含来自宽字符串的字符。src...

例

另见

wcscspnreturns the length of the maximum initial segment that consists of only the wide not found in another wide string (function)
wcspbrkfinds the first location of any wide character in one wide string, in another wide string (function)

c Wcsspn文档

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