{"id":751,"date":"2011-05-23T14:30:41","date_gmt":"2011-05-23T06:30:41","guid":{"rendered":"http:\/\/www.awaysoft.com\/taor\/?p=751"},"modified":"2011-11-09T23:49:06","modified_gmt":"2011-11-09T15:49:06","slug":"do-while0%e7%9a%84%e5%b7%a7%e5%a6%99%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/actom.me\/blog\/do-while0%e7%9a%84%e5%b7%a7%e5%a6%99%e7%94%a8%e6%b3%95.html","title":{"rendered":"do&#8230;while(0)\u7684\u5de7\u5999\u7528\u6cd5"},"content":{"rendered":"<p>\u6211\u4eec\u5728\u9700\u8981\u5bf9\u4e8e\u67d0\u4e9b\u6761\u4ef6\u8fdb\u884c\u5224\u65ad\u7684\u65f6\u5019\uff0c\u957f\u957f\u4f1a\u5199\u6210\u5982\u4e0b\u5f62\u5f0f\uff1a<br \/>\n<code><br \/>\nif (a&lt;b)<br \/>\nif (c&lt;d)<br \/>\nif (e&lt;f)<br \/>\n...<br \/>\n<\/code><br \/>\n\u5f53\u5224\u65ad\u6761\u4ef6\u975e\u5e38\u591a\u7684\u65f6\u5019\uff0c\u5c31\u663e\u5f97\u975e\u5e38\u7684\u4e0d\u723d\u4e86\uff0c\u62ec\u53f7\u4e4b\u95f4\u7684\u7ba1\u7406\uff0c\u524d\u540e\u7684\u5224\u65ad\u7b49\u7b49\uff0c\u4fee\u6539\u8d77\u6765\u4e5f\u975e\u5e38\u4e0d\u65b9\u4fbf\uff0c\u8fd9\u65f6\u5019\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528do..while(0);<br \/>\n\u8fd9\u91cc\u7684while(0)\u4fdd\u8bc1\u4e86\u4e0d\u4f1a\u8fdb\u884c\u4e0b\u6b21\u5faa\u73af\uff0c\u90a3\u4e48\uff0c\u8fd9\u548c\u6ca1\u6709\u5199\u8fd9\u4e2a\u7528\u6cd5\u6709\u5565\u533a\u522b\uff1f\u770b\u770b\u4e0b\u9762\u7684\u4ee3\u7801\u5c31\u77e5\u9053\u4e86\u3002<br \/>\n<code><br \/>\ndo{<br \/>\nif (a &gt;= b) break;<br \/>\n...<br \/>\nif (c &gt;= d) break;<br \/>\n...<br \/>\nif (e &gt;= f) break;<br \/>\n...<br \/>\n}while(0);<br \/>\n<\/code><br \/>\n\u53ef\u4ee5\u770b\u5230\uff0c\u8fd9\u6bb5\u4ee3\u7801\u548c\u4e0a\u9762\u90a3\u6bb5\u5b9e\u73b0\u529f\u80fd\u662f\u4e00\u6837\u7684\uff0c\u4f46\u662f\uff0c\u660e\u663e\u7684\u66f4\u52a0\u6709\u6761\u7406\uff0c\u5982\u679c\u9700\u8981\u66f4\u6539\u4e5f\u975e\u5e38\u65b9\u4fbf\u4e86\u3002<\/p>\n<p>PS:\u5f53\u7136\uff0cdo&#8230;while(0)\u5728C\u8bed\u8a00\u7684\u5b8f\u4e2d\u4e5f\u7528\u5f97\u6bd4\u8f83\u591a\uff0c\u7279\u522b\u662f\uff0c\u5f53\u628a\u5b8f\u4f2a\u88c5\u6210\u51fd\u6570\u7684\u65f6\u5019\uff0c\u7ecf\u5e38\u8fd9\u4e48\u4f7f\u7528\uff0c\u5728glib\u7684\u4ee3\u7801\u4e2d\u5c31\u5927\u91cf\u7528\u4e86do&#8230;while(0)\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u4eec\u5728\u9700\u8981\u5bf9\u4e8e\u67d0\u4e9b\u6761\u4ef6\u8fdb\u884c\u5224\u65ad\u7684\u65f6\u5019\uff0c\u957f\u957f\u4f1a\u5199\u6210\u5982\u4e0b\u5f62\u5f0f\uff1a if (a&lt;b &#8230; <a class=\"more-link\" href=\"https:\/\/actom.me\/blog\/do-while0%e7%9a%84%e5%b7%a7%e5%a6%99%e7%94%a8%e6%b3%95.html\">Read More &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"_links":{"self":[{"href":"https:\/\/actom.me\/blog\/wp-json\/wp\/v2\/posts\/751"}],"collection":[{"href":"https:\/\/actom.me\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/actom.me\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/actom.me\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/actom.me\/blog\/wp-json\/wp\/v2\/comments?post=751"}],"version-history":[{"count":3,"href":"https:\/\/actom.me\/blog\/wp-json\/wp\/v2\/posts\/751\/revisions"}],"predecessor-version":[{"id":753,"href":"https:\/\/actom.me\/blog\/wp-json\/wp\/v2\/posts\/751\/revisions\/753"}],"wp:attachment":[{"href":"https:\/\/actom.me\/blog\/wp-json\/wp\/v2\/media?parent=751"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/actom.me\/blog\/wp-json\/wp\/v2\/categories?post=751"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/actom.me\/blog\/wp-json\/wp\/v2\/tags?post=751"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}