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firstLengthByte

firstLengthByte

firstLengthByte

firstLengthByte

1

This logical OR operation will set the leftmost (most significant ) bit of firstLengthByte to 1 .

这种逻辑 OR 操作会将 firstLengthByte 的最左边（最高有效）位设置为 1 。

2

This line of code executes a bitwise OR operation between firstLengthByte and 0x80 (1000 0000 ) and stores the result in firstLengthByte.

这一行代码对 firstLengthByte 和 0x80 （10000000 ）进行按拉 OR 操作，并将结果储存到 firstLengthByte 中。

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