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StrCSpn

int StrCSpn(
    LPCTSTR lpStr,
    LPCTSTR lpSet
    );

Searches for the first occurrence of a substring within a string. The search method is case sensitive, and the NULL terminator is included within the search pattern match.

• Returns the index of the first character of the substring within the string if successful, or the length of the string if no match is found.

lpStr

Address of the null-terminated string to be searched.

lpSet

Address of the substring to search for.

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