{"blog_title":"ganaware\u2019s blog","provider_url":"https://hatena.blog","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fganaware.hatenadiary.jp%2Fentry%2F20090731%2F1249002204\" title=\"int** \u21d2 const int** - ganaware\u2019s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"type":"rich","url":"https://ganaware.hatenadiary.jp/entry/20090731/1249002204","height":"190","author_name":"ganaware","author_url":"https://blog.hatena.ne.jp/ganaware/","published":"2009-07-31 10:03:24","blog_url":"https://ganaware.hatenadiary.jp/","categories":["C++"],"version":"1.0","provider_name":"Hatena Blog","title":"int** \u21d2 const int**","description":"http://ml.tietew.jp/cppll/cppll/article/5102 int ** \u3092 const int ** \u3078\u4ee3\u5165\u3067\u304d\u306a\u3044\u306e\u306f\u306a\u305c\u304b? \u3068\u3044\u3046\u8a71\u3002 int* pi; const int** ppci = &pi; // \u3053\u3053\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc const int ci = 0; *ppci = &ci; *pi = 3; // \u2191\u30a8\u30e9\u30fc\u304c\u8d77\u3053\u3089\u306a\u3051\u308c\u3070\u3001 // const \u306a\u306f\u305a\u306e ci \u306e\u5024\u3092\u66f8\u304d\u63db\u3048\u3067\u304d\u3066\u3057\u307e\u3046 \u3046\u3063\u304b\u308a\u4f3c\u305f\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u30b3\u30f3\u30d1\u30a4\u30e9\u306b\u6012\u3089\u308c\u305f\u7d4c\u9a13\u304c\u4f55\u5ea6\u3082\u3042\u308b\u306e\u3067\u3001\u81ea\u5206\u7684\u306b\u306f\u30dd\u30a4\u30f3\u30bf\u306e\u30dd\u30a4\u30f3\u30bf\u306f\u306a\u3093\u3068\u306a\u304f\u82e6\u624b\u3067\u3059\u3002 d.y.d.B ** \u3092 A\u2026"}