extern std::bitset<32> cache_item[MAX_CACHE_LINE]
时间: 2024-05-30 13:16:25 浏览: 145
EXTMEM.zip_LPC2478_extern memory _zip
This line declares an array of 32-bit bitsets named "cache_item" with MAX_CACHE_LINE elements. The "extern" keyword indicates that the variable is declared elsewhere and will be defined in another source file. This line simply declares the existence of the variable, allowing other source files to access it.
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