{"id":178,"date":"2021-03-30T09:28:23","date_gmt":"2021-03-30T01:28:23","guid":{"rendered":"https:\/\/blogs.gongqilin.cn\/?p=178"},"modified":"2021-03-30T19:58:00","modified_gmt":"2021-03-30T11:58:00","slug":"c-c%e4%b8%a4%e4%b8%aa%e6%95%b0%e7%bb%84%e4%b9%8b%e9%97%b4%e5%8f%af%e4%bb%a5%e7%9b%b4%e6%8e%a5%e8%b5%8b%e5%80%bc%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/blogs.gongqilin.cn\/?p=178","title":{"rendered":"C\/C++\u4e24\u4e2a\u6570\u7ec4\u4e4b\u95f4\u53ef\u4ee5\u76f4\u63a5\u8d4b\u503c\u5417\uff1f"},"content":{"rendered":"<p>\u60f3\u5c41\u5403\u5462\uff0c\u5f53\u7136\u4e0d\u53ef\u4ee5\uff01<\/p>\n<p>\u4f46\u662f\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5176\u4ed6\u7684\u9014\u5f84\u5b9e\u73b0\uff0c\u9996\u5148\u6211\u4eec\u77e5\u9053\u7ed3\u6784\u4f53\u662f\u53ef\u4ee5\u76f4\u63a5\u8d4b\u503c\u64cd\u4f5c\u7684\uff08\u53ef\u4ee5\u53bb\u770b\u7f16\u8bd1\u597d\u7684\u6c47\u7f16\u4ee3\u7801\uff0c\u5176\u4e2d\u7ed3\u6784\u4f53\u8d4b\u503c\u91c7\u7528\u662f\u7c7b\u4f3c\u4e8ememcpy\u8fd9\u79cd\u5f62\u5f0f\uff0c\u800c\u4e0d\u662f\u9010\u4e2a\u5b57\u6bb5\u7684\u62f7\u8d1d\u3002\uff09\u4e0d\u7ba1\u662f\u7b80\u5355\u7684\u6570\u636e\u7c7b\u578b\u5982int\u3001float\u7b49\u6216\u8005\u6570\u7ec4\u3001\u6307\u9488\u3001\u7ed3\u6784\u4f53\u7b49\u8fd9\u4e9b\u590d\u6742\u6570\u636e\u7c7b\u578b\uff0c\u53ea\u8981\u4e24\u4e2a\u7ed3\u6784\u4f53\u7c7b\u578b\u76f8\u540c\uff0c\u5c31\u53ef\u4ee5\u5b9e\u73b0\u8d4b\u503c\u3002\u4f46\u662f\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u7ed3\u6784\u4f53\u5728\u8d4b\u503c\u7684\u65f6\u5019\u53ea\u662f\u7b80\u5355\u7684\u6d45\u62f7\u8d1d\uff0c\u5982\u679c\u7ed3\u6784\u4f53\u5185\u90e8\u51fa\u73b0\u4e86\u6307\u9488\uff0c\u5047\u8bbe\u6709<\/p>\n<pre class=\"prettyprint linenums\">struct A{\r\n    int k;\r\n    int *pk;\r\n}a1,a2;\r\n<\/pre>\n<p>\u8fd9\u4e2a\u65f6\u5019\u521d\u59cb\u5316a1\u540e\uff0c\u4f7f\u7528a2=a1,a2\u548ca1\u4e2dpk\u6307\u9488\u90fd\u4f1a\u6307\u5411\u6211\u4eec\u7533\u8bf7\u7684\u540c\u4e00\u5757\u5185\u5b58\u533a\u57df\uff0c\u5047\u8bbe\u8fd9\u4e2a\u65f6\u5019\u91ca\u653e\u4e86a1\u7684pk\u6307\u9488\u7684\u5185\u5b58\uff0c\u90a3\u4e48a2\u7684pk\u6307\u9488\u5c31\u53d8\u6210\u4e86\u4e86\u91ce\u6307\u9488\u3002<\/p>\n<blockquote><p><a href=\"https:\/\/zhuanlan.zhihu.com\/p\/144221994\" rel=\"nofollow\">https:\/\/zhuanlan.zhihu.com\/p\/144221994<\/a><\/p><\/blockquote>\n<p>\u6570\u7ec4\u76f8\u6bd4\u4e8e\u7ed3\u6784\u677f\u5c31\u5982\u540c\u4e8c\u7b49\u516c\u6c11\u4e00\u822c\uff1a<\/p>\n<ul>\n<li>\u4e0d\u80fd\u76f4\u63a5\u8d4b\u503c<\/li>\n<li>\u6570\u7ec4\u4f5c\u4e3a\u4e00\u4e2a\u51fd\u6570\u7684\u53c2\u6570\u4f20\u9012\u65f6\uff0c\u9000\u5316\u6210\u4e00\u4e2a\u6307\u9488\uff0c\u7ed3\u6784\u4f53\u53ef\u4ee5\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570<\/li>\n<li>\u6570\u7ec4\u4e0d\u80fd\u4f5c\u4e3a\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff0c\u4f46\u662f\u7ed3\u6784\u4f53\u53ef\u4ee5<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>\u63d2\u53e5\u5634\uff1a<a href=\"https:\/\/blogs.gongqilin.cn\/?p=184\">\u5728C++\u4e2d\u5f15\u5165\u4e86\u5141\u8bb8\u7528\u6237\u91cd\u8f7d\u7ed3\u6784\u4f53\u8d4b\u503c\u64cd\u4f5c\u8fd0\u7b97<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u60f3\u5c41\u5403\u5462\uff0c\u5f53\u7136\u4e0d\u53ef\u4ee5\uff01 \u4f46\u662f\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5176\u4ed6\u7684\u9014\u5f84\u5b9e\u73b0\uff0c\u9996\u5148\u6211\u4eec\u77e5\u9053\u7ed3\u6784\u4f53\u662f\u53ef\u4ee5\u76f4\u63a5\u8d4b\u503c\u64cd\u4f5c\u7684\uff08\u53ef\u4ee5\u53bb\u770b\u7f16\u8bd1\u597d [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[8,9],"class_list":["post-178","post","type-post","status-publish","format-standard","hentry","category-c","tag-c","tag-stm32"],"_links":{"self":[{"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=\/wp\/v2\/posts\/178","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=178"}],"version-history":[{"count":6,"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=\/wp\/v2\/posts\/178\/revisions"}],"predecessor-version":[{"id":191,"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=\/wp\/v2\/posts\/178\/revisions\/191"}],"wp:attachment":[{"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.gongqilin.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}