{"id":88805,"date":"2024-03-21T10:18:17","date_gmt":"2024-03-21T01:18:17","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%aesizeof%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/"},"modified":"2024-04-06T01:05:51","modified_gmt":"2024-04-05T16:05:51","slug":"c%e8%a8%80%e8%aa%9e%e3%81%aesizeof%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%aesizeof%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/","title":{"rendered":"C\u8a00\u8a9e\u306esizeof\u95a2\u6570\u306e\u4f7f\u3044\u65b9"},"content":{"rendered":"

sizeof\u95a2\u6570\u306f\u5909\u6570\u3084\u578b\u306e\u30d0\u30a4\u30c8\u5358\u4f4d\u306e\u5927\u304d\u3055\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002C \u8a00\u8a9e\u3067\u306f\u3001sizeof \u95a2\u6570\u306b\u306f 2 \u3064\u306e\u4f7f\u7528\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

    \n
  1. \u5909\u6570\u306e\u5927\u304d\u3055\u3092\u5f97\u308b\uff1a<\/li>\n
  2. int x;
    \nsize_t size = sizeof(x);
    \nprintf(“x\u306e\u30b5\u30a4\u30ba\u306f %zu \u3067\u3059\\n”, size);<\/li>\n
  3. \u578b\u30b5\u30a4\u30ba\u306e\u53d6\u5f97\uff1a<\/li>\n
  4. int\u578b\u306e\u30b5\u30a4\u30ba\u306f\uff1a\uff05zu
    \nfloat\u578b\u30b5\u30a4\u30ba\u306f\uff1a\uff05zu
    \nchar\u578b\u30b5\u30a4\u30ba\u306f\uff1a\uff05zu<\/li>\n<\/ol>\n

    \u7559\u610f\u4e8b\u9805\uff1a<\/p>\n

      \n
    1. sizeof\u95a2\u6570\u306f\u30d0\u30a4\u30c8\u5358\u4f4d\u306e\u30b5\u30a4\u30ba\u3092\u8fd4\u3059\u305f\u3081\u3001%zu\u5f62\u5f0f\u4fee\u98fe\u5b50\u3092\u4f7f\u7528\u3057\u3066\u51fa\u529b\u3057\u307e\u3059\u3002<\/li>\n
    2. sizeof() \u95a2\u6570\u306f size_t \u578b\u306e\u7b26\u53f7\u306a\u3057\u6574\u6570\u8fd4\u3057\u307e\u3059\u3002<\/li>\n
    3. sizeof \u95a2\u6570\u306f\u3001\u57fa\u672c\u30c7\u30fc\u30bf\u578b\u3001\u69cb\u9020\u4f53\u3084\u5171\u7528\u4f53\u306a\u3069\u306e\u30ab\u30b9\u30bf\u30e0\u30c7\u30fc\u30bf\u578b\u3001\u914d\u5217\u306a\u3069\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n

      \u914d\u5217\u540d\u3092 sizeof \u95a2\u6570\u306b\u6e21\u3057\u305f\u5834\u5408\u3001\u914d\u5217\u5168\u4f53\u306e\u30b5\u30a4\u30ba\u304c\u5f97\u3089\u308c\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u914d\u5217\u3092\u6307\u3059\u30dd\u30a4\u30f3\u30bf\u306e\u30b5\u30a4\u30ba\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      sizeof\u95a2\u6570\u306f\u5909\u6570\u3084\u578b\u306e\u30d0\u30a4\u30c8\u5358\u4f4d\u306e\u5927\u304d\u3055\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002C \u8a00\u8a9e\u3067\u306f\u3001sizeof \u95a2\u6570\u306b\u306f 2 \u3064\u306e\u4f7f\u7528\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002 \u5909\u6570\u306e\u5927\u304d\u3055\u3092\u5f97\u308b\uff1a int x; size_t size = sizeof(x […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-88805","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nC\u8a00\u8a9e\u306esizeof\u95a2\u6570\u306e\u4f7f\u3044\u65b9 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/c\u8a00\u8a9e\u306esizeof\u95a2\u6570\u306e\u4f7f\u3044\u65b9\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u8a00\u8a9e\u306esizeof\u95a2\u6570\u306e\u4f7f\u3044\u65b9\" \/>\n<meta property=\"og:description\" content=\"sizeof\u95a2\u6570\u306f\u5909\u6570\u3084\u578b\u306e\u30d0\u30a4\u30c8\u5358\u4f4d\u306e\u5927\u304d\u3055\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002C \u8a00\u8a9e\u3067\u306f\u3001sizeof \u95a2\u6570\u306b\u306f 2 \u3064\u306e\u4f7f\u7528\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002 \u5909\u6570\u306e\u5927\u304d\u3055\u3092\u5f97\u308b\uff1a int x; 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