{"id":8736,"date":"2024-05-31T22:39:06","date_gmt":"2024-05-31T13:39:06","guid":{"rendered":"http:\/\/hdmr.org\/d\/?p=8736#"},"modified":"2024-05-31T22:39:06","modified_gmt":"2024-05-31T13:39:06","slug":"wp-8736","status":"publish","type":"post","link":"https:\/\/hdmr.org\/d\/wp-8736","title":{"rendered":"\u30d0\u30a4\u30c8\u30aa\u30fc\u30c0\u30fc\u306b\u60a9\u3080"},"content":{"rendered":"<p>\u53e4\u3044\u30de\u30a4\u30b3\u30f3\u3067\u4f7f\u3063\u3066\u3044\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u79fb\u690d\u3059\u308b\u306b\u5f53\u305f\u3063\u3066\u3001<\/p>\n<p>\u30d0\u30a4\u30c8\u30aa\u30fc\u30c0\u30fc\u3092\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u3093\u3060\u308d\u3046\u3068\u3044\u3046\u8a71\u3092\u3057\u3066\u3044\u305f\u3002<\/p>\n<p>\u65b0\u3057\u3044\u30de\u30a4\u30b3\u30f3\u306f\u30d0\u30a4\u30c8\u30aa\u30fc\u30c0\u30fc\u304c\u5909\u308f\u308b\u306e\u306f\u78ba\u5b9a\u3057\u3066\u3044\u3066\u3001<\/p>\n<p>\u5916\u90e8\u3068\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u5f93\u6765\u306e\u30d0\u30a4\u30c8\u30aa\u30fc\u30c0\u30fc\u3067\u3042\u308b\u3068\u3044\u3046\u306e\u3082\u6c7a\u307e\u3063\u3066\u3044\u308b\u3002<\/p>\n<p>\u3069\u3053\u3067\u30d0\u30a4\u30c8\u30aa\u30fc\u30c0\u30fc\u3092\u5207\u308a\u66ff\u3048\u308b\u304b\u3068\u3044\u3046\u554f\u984c\u3067\u3042\u308b\u3002<\/p>\n<p>\u3068\u3044\u3046\u306e\u3082\u30de\u30a4\u30b3\u30f3\u306b\u3064\u306a\u304c\u308b\u30d0\u30b9\u90e8\u5206\u306f\u3042\u308b\u7a0b\u5ea6\u81ea\u7531\u5ea6\u304c\u3042\u308b\u304b\u3089\u3067\u3042\u308b\u3002<\/p>\n<hr>\n<p>\u30d0\u30a4\u30c8\u30aa\u30fc\u30c0\u30fc\u3068\u3044\u3046\u30682\u30d0\u30a4\u30c8\u4ee5\u4e0a\u306e\u6570\u5024\u3092\u30e1\u30e2\u30ea\u4e0a\u306b\u3069\u3046\u4e26\u3079\u308b\u304b\u3068\u3044\u3046\u8a71\u3067\u3042\u308b\u3002<\/p>\n<p>0x1234\u3068\u3044\u3046\u6570\u5024\u3092\u30e1\u30e2\u30ea\u4e0a\u306b{12 34}\u3068\u4e26\u3079\u308b\u306e\u304c\u30d3\u30c3\u30b0\u30a8\u30f3\u30c7\u30a3\u30a2\u30f3\u3001<\/p>\n<p>{34 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30}\u3068\u9001\u4fe1\u3057\u3066\u3001<\/p>\n<p>\u53d7\u4fe1\u3057\u305f\u5074\u306f\u5c4a\u3044\u305f\u9806\u756a\u306b\u30e1\u30e2\u30ea\u306b\u683c\u7d0d\u3057\u3066\u305d\u306e\u30c7\u30fc\u30bf\u30924byte\u306e\u6574\u6570\u3068\u3057\u3066\u89e3\u91c8\u3059\u308b\u3068\u3001<\/p>\n<p>\u30d3\u30c3\u30b0\u30a8\u30f3\u30c7\u30a3\u30a2\u30f3\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u306f0x1230\u3068\u89e3\u91c8\u3067\u304d\u308b\u304c\u3001<\/p>\n<p>\u30ea\u30c8\u30eb\u30a8\u30f3\u30c7\u30a3\u30a2\u30f3\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u306f0x3012\u3068\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3053\u308c\u3067\u306f\u3044\u3051\u306a\u3044\u3068\u3002<\/p>\n<p>\u306a\u306e\u3067\u5b9f\u969b\u306b\u306f\u8aad\u307f\u51fa\u3057\u5f8c\u306b\u30d3\u30c3\u30c8\u9806\u3092\u5165\u308c\u63db\u3048\u305f\u308a(ex. 0x3012\u21920x1234)<\/p>\n<p>\u30e1\u30e2\u30ea\u306e\u9806\u756a\u3092\u5165\u308c\u63db\u3048\u3066\u304b\u3089\u8aad\u3093\u3060\u308a(ex. {12 30}\u2192{30 12}\u3068\u5165\u308c\u63db\u3048\u3066\u304b\u3089\u30ea\u30fc\u30c9\u3059\u308b\u30680x1230)\u3001<\/p>\n<p>\u305d\u3046\u3044\u3046\u5909\u63db\u51e6\u7406\u3092\u631f\u307e\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u304f\u306a\u308b\u308f\u3051\u3067\u3042\u308b\u3002<\/p>\n<hr>\n<p>\u3068\u306f\u3044\u3048\u3001\u5916\u90e8\u3068\u306e\u3084\u308a\u3068\u308a\u3067\u3082\u3001\u305d\u3046\u3044\u3046\u5909\u63db\u304c\u5fc5\u305a\u3057\u3082\u5fc5\u8981\u3068\u3082\u8a00\u3048\u306a\u3044\u3068\u3053\u308d\u306f\u3042\u308b\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u30d0\u30b9\u306b\u63a5\u7d9a\u3055\u308c\u308b\u30da\u30ea\u30d5\u30a7\u30e9\u30eb\u306e\u5185\u90e8\u30ec\u30b8\u30b9\u30bf\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3001<\/p>\n<p>32bit\u5e45\u306e\u30d0\u30b9\u3067\u3001\u5fc5\u305a4byte\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3044\u3046\u7d04\u675f\u3082\u3042\u308b\u306e\u3067\u3001<\/p>\n<p>\u30ec\u30b8\u30b9\u30bf\u306b0x80000000\u3092\u30e9\u30a4\u30c8\u3059\u308c\u3070\u3001\u30ec\u30b8\u30b9\u30bf\u306eMSB\u304c\u30bb\u30c3\u30c8\u3055\u308c\u308b\u3002<\/p>\n<p>\u3053\u3046\u3044\u3046\u4f5c\u308a\u306b\u3059\u308b\u65b9\u304c\u81ea\u7136\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3046\u3002<\/p>\n<hr>\n<p>\u554f\u984c\u304c\u8d77\u304d\u3084\u3059\u3044\u306e\u306f\u3001\u30c7\u30fc\u30bf\u306e\u9806\u756a\u304c\u6c7a\u307e\u3063\u3066\u3044\u308b\u5834\u5408\u3068\u3001\u30e1\u30e2\u30ea\u3092\u5171\u6709\u3059\u308b\u5834\u5408\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3046\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u306e\u9806\u756a\u304c\u6c7a\u307e\u3063\u3066\u3044\u308b\u3068\u3044\u3046\u306e\u306f\u5192\u982d\u306b\u66f8\u3044\u305f\u4f8b\u306e\u901a\u308a\u3067\u3042\u308b\u3002<\/p>\n<p>\u5c4a\u3044\u305f\u9806\u306b\u524d\u304b\u3089\u66f8\u304f\u3001\u524d\u306b\u66f8\u3044\u3066\u3042\u308b\u30c7\u30fc\u30bf\u304b\u3089\u9806\u756a\u306b\u9001\u308b\u3068\u3044\u3046\u306e\u306f\u3001\u305d\u3046\u306a\u3089\u3056\u308b\u3092\u5f97\u306a\u3044\u3002<\/p>\n<p>\u30e1\u30e2\u30ea\u3092\u5171\u6709\u3059\u308b\u5834\u5408\u3082\u3001\u30d3\u30c3\u30af\u30a8\u30f3\u30c7\u30a3\u30a2\u30f3\u306e\u30b7\u30b9\u30c6\u30e0\u30670x12345678\u3092\u66f8\u3044\u3066\u3001<\/p>\n<p>\u30ea\u30c8\u30eb\u30a8\u30f3\u30c7\u30a3\u30a2\u30f3\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u8aad\u3081\u30700x78563412\u3068\u306a\u308b\u306e\u306f\u5f53\u7136\u3067\u3042\u308b\u3002<\/p>\n<hr>\n<p>\u305f\u3060\u3001\u56de\u907f\u7b56\u304c\u306a\u3044\u3068\u3082\u8a00\u3048\u306a\u3044\u3068\u3053\u308d\u306f\u3042\u308b\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u306e\u9806\u756a\u304c\u6c7a\u307e\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u5f8c\u308d\u304b\u3089\u66f8\u304f\u3001\u5f8c\u308d\u304b\u3089\u9001\u308b\u3068\u3044\u3046\u65b9\u6cd5\u304c<\/p>\n<p><a href=\"http:\/\/tanehp.ec-net.jp\/heppoko-lab\/prog\/zakki\/byteorder\/byteorder.html\">\u30d0\u30a4\u30c8\u30aa\u30fc\u30c0\u30fc\u306e\u96d1\u8a18 (\u3078\u3063\u307d\u3053\u5b9f\u9a13\u5ba4)<\/a><\/p>\n<p>Intel\u306f\u30e1\u30e2\u30ea\u69cb\u9020\u3092\u56f3\u793a\u3059\u308b\u3068\u304d\u306b\u3001\u53f3\u4e0b\u3092\u6700\u4e0b\u4f4d\u30a2\u30c9\u30ec\u30b9\u3068\u3057\u3066\u3001<\/p>\n<p>\u53f3\u304b\u3089\u5de6\u306b\u30d0\u30a4\u30c8\u3092\u4e26\u3079\u3066\u3001\u4e0a\u306e\u884c\u306b\u9032\u3093\u3067\u3044\u304f\u3068\u3044\u3046\u66f8\u304d\u65b9\u3092\u3057\u3066\u3044\u308b\u3089\u3057\u3044\u3002<\/p>\n<p>\u3053\u306e\u65b9\u6cd5\u3067\u30e1\u30e2\u30ea\u30c0\u30f3\u30d7\u3092\u8868\u793a\u3059\u308b\u3068\u3042\u307e\u308a\u9055\u548c\u611f\u306a\u304f\u8aad\u3081\u307e\u3059\u306d\u3068\u3042\u308b\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u30a2\u30c9\u30ec\u30b9\u3092\u6e1b\u3089\u3059\u65b9\u5411\u306b\u4f7f\u3063\u3066\u884c\u304f\u3068\u3044\u3046\u8003\u3048\u306f1\u3064\u3042\u308b\u3002<\/p>\n<hr>\n<p>\u30e1\u30e2\u30ea\u3092\u5171\u6709\u3059\u308b\u5834\u5408\u3082\u5fc5\u305a32bit\u5e45\u3067\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u304b\u7d04\u675f\u3057\u3066\u3001<\/p>\n<p>\u7d50\u7dda\u6642\u306b\u5165\u308c\u63db\u3048\u3066\u304a\u3051\u3070\u305d\u308c\u306f\u305d\u308c\u3067\u3046\u307e\u304f\u3044\u304d\u305d\u3046\u306a\u6c17\u304c\u3059\u308b\u3002<\/p>\n<p>\u5171\u6709\u30e1\u30e2\u30ea\u306e\u5b9f\u30c7\u30fc\u30bf\u306f\u30d3\u30c3\u30af\u30a8\u30f3\u30c7\u30a3\u30a2\u30f3\u3067\u683c\u7d0d\u3055\u308c\u3066\u3044\u3066\u3001<\/p>\n<p>\u5fc5\u305a4byte\u5358\u4f4d\u3067\u30ea\u30fc\u30c9\/\u30e9\u30a4\u30c8\u3057\u306632bit\u5e45\u306e\u30d0\u30b9\u3068\u3084\u308a\u3068\u308a\u3059\u308b\u3002<\/p>\n<p>\u5171\u6709\u30e1\u30e2\u30ea\u4e0a\u306b{12 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