{"id":781,"date":"2011-09-14T11:58:42","date_gmt":"2011-09-14T03:58:42","guid":{"rendered":"http:\/\/115.29.108.60\/?p=781"},"modified":"2011-10-13T15:04:42","modified_gmt":"2011-10-13T07:04:42","slug":"32bit-or-64bit","status":"publish","type":"post","link":"http:\/\/115.29.108.60\/?p=781","title":{"rendered":"32bit Or 64bit"},"content":{"rendered":"

\u4e00\u76f4\u6bd4\u8f83\u56f0\u60d1\u8de8\u5e73\u53f0\u4ee5\u53ca\u8de832bit\/64bit\u8fb9\u754c\u7684\u7f16\u7a0b\u95ee\u9898\uff0c\u4e3b\u8981\u662f\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684sizeof\u5927\u5c0f\u95ee\u9898\u3002<\/p>\n

\u6bd4\u8f83\u786e\u5b9a\u7684\u662f(unsigned) char\/(unsigned) short\u57fa\u672c\u90fd\u662f1byte\/2byte\u3002\u867d\u7136int\u3001long\u90fd\u662f\u5185\u7f6e\u7c7b\u578b\uff0c\u4f46\u5f52\u6839\u7ed3\u5e95\u8fd8\u662f\u5f97\u770b\u7f16\u8bd1\u5668\u7684\u5b9e\u73b0\uff1a32bit\u4e0b\u4e00\u822c\u90fd\u662f4byte\uff0c64bit\u4e0b\u5c31\u53ef\u80fd\u6709\u591a\u79cd\u60c5\u51b5\u4e86\uff0844\u300148\u300188\u7b49\uff09\u3002\u4f46\u65e0\u8bba\u600e\u6837\u7f16\u8bd1\u5668\u90fd\u77e5\u9053\u5b83\u4eec\u7684\u786e\u5207\u5927\u5c0f\uff0c\u6709\u95ee\u9898\u8fd8\u662f\u6c42\u52a9\u7f16\u8bd1\u5668\u5427\u3002<\/p>\n

32bit\/64bit\u6700\u5927\u7684\u533a\u522b\u5c31\u662f\u6307\u9488\u5927\u5c0f\uff0c\u80af\u5b9a\u662f4byte\u548c8byte\u4e86\uff0c\u56e0\u6b64Windows SDK\u7684\u5934\u6587\u4ef6\u901a\u8fc7\u662f\u5426\u5b9a\u4e49\u4e86_WIN64\u5b8f\u6765\u786e\u5b9aINT_PTR\u7b49\u81ea\u5b9a\u4e49PTR\u7c7b\u578b\u7684\u5927\u5c0f\uff08_int64 or int\uff09\u3002<\/p>\n

\u5982\u4f55\u8de8\u5e73\u53f0\uff0c\u5f53\u7136\u662f\u5b8f\u548ctypedef\u4e86\u3002typedef\u65f6\u52a0\u4e0a\u7c7b\u578b\u540d\u79f0\u53ca\u4f4d\u6570\uff0c\u8fd9\u6837\u6e05\u6670\u660e\u4e86\uff0c\u5982typedef unsigned char uint8\u7b49\u3002\u81f3\u4e8etypedef unsigned int\u662fuint32\u8fd8\u662fuint64\u4f30\u8ba1\u8fd8\u5f97\u770b\u5177\u4f53\u7684\u73af\u5883\u4e86\u3002<\/p>\n

\u9644\u4e0a\u4e00\u7bc7\u53c2\u8003\u8d44\u6599\uff1ahttp:\/\/blog.csdn.net\/tangl_99\/article\/details\/1963762<\/a><\/p>\n

\u8de8\u5e73\u53f0C\/C++\u6570\u636e\u7c7b\u578b\u5b9a\u4e49<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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