void foo()
{
if(myBoolean) {
#ifdef DEBUG
printf("ACK");
#endif
}
return true;
}

void foo2()
{
    if (m_errno == ERR_NONE) {
        function1(variables);
        function2(variables);
    } else {
        function1(variables);
    }
    //MyComment1
    //MyComment2
}

void foo3()
{
    if (statement)
        if (statement) {
            condition;
            return true;
        }
    return false;
}
