s <span class="emphasis"><em>fixedsize_stack</em></span>
        which models the <span class="emphasis"><em>stack-allocator concept</em></span>. In contrast
        to <span class="emphasis"><em>protected_fixedsize_stack</em></span> it does not append a guard
        page at the end of each stack. The memory is simply managed by <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">malloc</span><span class="special">()</span></code> and <cod