zero-length buffer 零长度缓冲器
Zero Delay Buffer 零延迟缓冲组件 ; 开发出零延迟缓冲组件
Zero Delay Buffer Mode 零延迟缓冲模式
non-zero delay buffer 非零延迟缓冲器
For the actual buffer processing, the function is perfectly capable of handling zero-sized buffers by simply returning.
对于实际的缓冲区处理，函数只需直接返回，就能够很好地处理大小为零的缓冲区。
For the buffer processing, the MFC treats a zero-size data request as a no-op, so I can go ahead and issue requests even if there is no data to read.
对于缓冲区处理，MFC 将大小为零的数据请求当作无操作来对待，所以即使没有数据可读取了，也可以继续发出请求。
Also, both functions guarantee that the destination will be NUL-terminated as long as the size is at least one (you can't put anything into a zero-length buffer).
此外，只要目标的大小至少为1，两个函数都保证目标将以NUL结尾(您不能将任何内容放入零长度的缓冲区)。
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