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<title>DAY</title>
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<a href='../S/71.html#L30'>DAY</a> 30 kernel/mktime.c #define YEAR (365*DAY) // 1 年的秒数。
<a href='../S/71.html#L37'>DAY</a> 37 kernel/mktime.c DAY * (31),
<a href='../S/71.html#L38'>DAY</a> 38 kernel/mktime.c DAY * (31 + 29),
<a href='../S/71.html#L39'>DAY</a> 39 kernel/mktime.c DAY * (31 + 29 + 31),
<a href='../S/71.html#L40'>DAY</a> 40 kernel/mktime.c DAY * (31 + 29 + 31 + 30),
<a href='../S/71.html#L41'>DAY</a> 41 kernel/mktime.c DAY * (31 + 29 + 31 + 30 + 31),
<a href='../S/71.html#L42'>DAY</a> 42 kernel/mktime.c DAY * (31 + 29 + 31 + 30 + 31 + 30),
<a href='../S/71.html#L43'>DAY</a> 43 kernel/mktime.c DAY * (31 + 29 + 31 + 30 + 31 + 30 + 31),
<a href='../S/71.html#L44'>DAY</a> 44 kernel/mktime.c DAY * (31 + 29 + 31 + 30 + 31 + 30 + 31 + 31),
<a href='../S/71.html#L45'>DAY</a> 45 kernel/mktime.c DAY * (31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30),
<a href='../S/71.html#L46'>DAY</a> 46 kernel/mktime.c DAY * (31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31),
<a href='../S/71.html#L47'>DAY</a> 47 kernel/mktime.c DAY * (31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30)
<a href='../S/71.html#L61'>DAY</a> 61 kernel/mktime.c res = YEAR * year + DAY * ((year + 1) / 4); // 这些年经过的秒数时间 + 每个闰年时多1 天
<a href='../S/71.html#L66'>DAY</a> 66 kernel/mktime.c res -= DAY;
<a href='../S/71.html#L67'>DAY</a> 67 kernel/mktime.c res += DAY * (tm->tm_mday - 1); // 再加上本月过去的天数的秒数时间。
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