It seems to be a convention to define a C-language macro called “LONGLONG” for 64-bit values.The word”long” is Chinese for “dragon”, so “longlong” is the nickname of nearly every Chinese boy born in 2000 (since the year 2000 was the Chinese “year of the golden Dragon”). The name “longlong” uses 64 bits, but could be shortened to use just 32 bits by simply typing in the Chinese: ??

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