Smaller Numbers take a smaller number of bytes.
小的数值占用更小的字节。
It returns the number of bytes read, or 0 or -1.
它返回读取的字节数、0或者- 1。
It returns the number of bytes actually written, or 0 or -1.
它将返回实际写入的字节数、0或者- 1。
It's just a little block of memory in RAM, you know, that represents four bytes, 32-bits and the Number Two is currently in it.
它只是一小块内存块,它表示4个字节,32位,那个数字2就存储在里面。
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