很容易造成錯誤的程式碼

EasilyConfusedCode.c

//what's difference between FunA() and FunB()?

void FunA(void)
{
    if (condition_one)
      if (condition_two)
        foo();
      else
        bar();
}

void FunB(void)
{
    if (condition_one)
      if (condition_two)
        foo();
    else
      bar();
}