StrStrI3

#include <stdio.h>
#include <shlwapi.h>

int main() {
    wchar_t haystack[] = L"TutorialsPoint";
    wchar_t needle[] = L"Point";
    wchar_t* ret;
    ret = StrStrIW(haystack, needle);
    printf("The Substring Is: %ls\n", ret);
    printf("Press To Enter Continue ... ");
    (void)getchar();
    return 0;
}