uptime

来自「C实现的MUD,对大家基本入门网络游戏很有帮助!」· 代码 · 共 20 行

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          uptime() - return the number of seconds elapsed since the
          last driver reboot

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          int uptime( void );

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          This function returns the number of seconds since the last
          driver reboot.

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          time(3), ctime(3), localtime(3), time_expression(3)

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