mark_strings_unknown
add_function_hook("sprintf", &mark_strings_unknown, INT_PTR(0));
add_function_hook("snprintf", &mark_strings_unknown, INT_PTR(0));
add_function_hook("strcpy", &mark_strings_unknown, INT_PTR(0));
add_function_hook("strncpy", &mark_strings_unknown, INT_PTR(0));
add_function_hook("strlcpy", &mark_strings_unknown, INT_PTR(0));
add_function_hook("strscpy", &mark_strings_unknown, INT_PTR(0));