StrStrI1

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

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