wptr &= 0x0f
时间: 2023-10-23 11:31:14 浏览: 43
wptr &= 0x0f 是一个位运算符,用来将wptr与0x0f进行按位与操作。按位与操作会将wptr的二进制表示的低四位保留下来,而高四位则被置为0。这样可以确保wptr的值只包含低四位的数据。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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