{"id":40043,"date":"2023-12-11T14:49:34","date_gmt":"2023-12-11T06:49:34","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=40043"},"modified":"2023-12-11T14:49:34","modified_gmt":"2023-12-11T06:49:34","slug":"ifndef%e3%80%81extern%e7%9a%84%e7%94%a8%e6%b3%95%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/ifndef%e3%80%81extern%e7%9a%84%e7%94%a8%e6%b3%95%ef%bc%9f\/","title":{"rendered":"ifndef\u3001extern\u7684\u7528\u6cd5\uff1f"},"content":{"rendered":"<p>&#8220;`&#8221;                    \u6761\u4ef6\u6307\u793a\u7b26#ifndef \u7684\u6700\u4e3b\u8981\u76ee\u7684\u662f\u9632\u6b62<a href=\"\"http:\/\/baike.baidu.com\/view\/668911.htm\"\">\u5934\u6587\u4ef6<\/a>\u7684\u91cd\u590d\u5305\u542b\u548c\u7f16\u8bd1\u3002<\/p>\n<p>extern\u4fee\u9970\u53d8\u91cf\u7684\u58f0\u660e\u3002<\/p>\n<p>\u5982\u679c\u6587\u4ef6a.c\u9700\u8981\u5f15\u7528b.c\u4e2d\u53d8\u91cfint v\uff0c\u5c31\u53ef\u4ee5\u5728a.c\u4e2d\u58f0\u660eextern int v\uff0c\u7136\u540e\u5c31\u53ef\u4ee5\u5f15\u7528\u53d8\u91cfv\u3002<\/p>\n<p>\u8fd9\u91cc\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u88ab\u5f15\u7528\u7684\u53d8\u91cfv\u7684\u94fe\u63a5\u5c5e\u6027\u5fc5\u987b\u662f\u5916\u94fe\u63a5\uff08external\uff09\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4a.c\u8981\u5f15\u7528\u5230v\uff0c\u4e0d\u53ea\u662f\u53d6\u51b3\u4e8e\u5728a.c\u4e2d\u58f0\u660eextern int v\uff0c\u8fd8\u53d6\u51b3\u4e8e\u53d8\u91cfv\u672c\u8eab\u662f\u80fd\u591f\u88ab\u5f15\u7528\u5230\u7684\u3002<\/p>\n<p>&lt;pre&gt;&lt;code&gt;            &quot;&#8220;`<br \/>\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;`&#8221; \u6761\u4ef6\u6307\u793a\u7b26#ifndef \u7684\u6700\u4e3b\u8981\u76ee\u7684\u662f\u9632\u6b62\u5934\u6587\u4ef6\u7684\u91cd\u590d\u5305\u542b\u548c\u7f16\u8bd1\u3002 exte [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-40043","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/40043","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=40043"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/40043\/revisions"}],"predecessor-version":[{"id":40044,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/40043\/revisions\/40044"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=40043"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=40043"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=40043"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}