Function Dbg1

util/system/backtrace_ut.cpp:10–13

using PFunc = int (*)(void**, size_t);

int Dbg1(void** buf, size_t len) {
    volatile int ret = (int)BackTrace(buf, len);
    return ret;
}

int Dbg2(void** buf, size_t len) {
    volatile int ret = (int)BackTrace(buf, len);