{"id":118,"date":"2010-05-25T00:39:07","date_gmt":"2010-05-24T16:39:07","guid":{"rendered":"http:\/\/nick.workao.org\/?p=118"},"modified":"2010-05-25T00:39:08","modified_gmt":"2010-05-24T16:39:08","slug":"c%e8%af%ad%e8%a8%80%e7%9a%84%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b%e5%92%8c%e5%8f%96%e5%80%bc%e8%8c%83%e5%9b%b4","status":"publish","type":"post","link":"http:\/\/nick.txtcc.com\/index.php\/scm\/118","title":{"rendered":"C\u8bed\u8a00\u7684\u6570\u636e\u7c7b\u578b\u548c\u53d6\u503c\u8303\u56f4"},"content":{"rendered":"<p>C\u8bed\u8a00\u6709\u4e94\u79cd\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff1a\u5b57\u7b26\u3001\u6574\u578b\u3001\u5355\u7cbe\u5ea6\u5b9e\u578b\u3001\u53cc\u7cbe\u5ea6\u5b9e\u578b\u548c\u7a7a\u7c7b\u578b\u3002\u5c3d\u7ba1\u8fd9\u51e0\u79cd\u7c7b\u578b\u6570\u636e\u7684\u957f\u5ea6\u548c\u8303\u56f4\u968f\u5904\u7406\u5668\u7684\u7c7b\u578b\u548cC\u8bed\u8a00\u7f16\u8bd1\u7a0b\u5e8f\u7684\u5b9e\u73b0\u800c \u5f02\uff0c\u4f46 \u4ee5b i t\u4e3a\u4f8b\uff0c\u6574\u6570\u4e0eCPU\u5b57\u957f\u76f8\u7b49\uff0c\u4e00\u4e2a\u5b57\u7b26\u901a\u5e38\u4e3a\u4e00\u4e2a\u5b57\u8282\uff0c\u6d6e\u70b9\u503c\u7684\u786e\u5207\u683c\u5f0f\u5219\u6839\u636e\u5b9e\u73b0\u800c\u5b9a\u3002\u5bf9\u4e8e\u591a\u6570\u5fae\u673a\uff0c\u88682 &#8211;  1\u7ed9\u51fa\u4e86\u4e94\u79cd\u6570\u636e\u7684\u957f\u5ea6\u548c\u8303\u56f4\u3002<\/p>\n<p>\u8868\u4e2d\u7684\u957f\u5ea6\u548c\u8303\u56f4\u7684\u53d6\u503c\u662f\u5047\u5b9aC P U\u7684\u5b57\u957f\u4e3a1 6 b i t\u3002\nC\u8bed\u8a00\u8fd8\u63d0\u4f9b\u4e86\u51e0\u79cd\u805a\u5408\u7c7b\u578b\uff08aggregate types\uff09\uff0c\u5305\u62ec\u6570\u7ec4\u3001\u6307\u9488\u3001\u7ed3\u6784\u3001\u5171\u7528\u4f53\uff08\u8054\u5408\uff09\u3001\u4f4d\u57df\u548c\u679a\u4e3e\u3002\u8fd9\u4e9b\u590d\u6742\u7c7b\u578b\u5728\u4ee5\u540e\u7684\u7ae0\u8282\u4e2d\u8ba8\u8bba\u3002\n\u9664v o i d\u7c7b\u578b\u5916\uff0c\u57fa\u672c\u7c7b\u578b\u7684\u524d\u9762\u53ef\u4ee5\u6709\u5404\u79cd\u4fee\u9970\u7b26\u3002\u4fee\u9970\u7b26\u7528\u6765\u6539\u53d8\u57fa\u672c\u7c7b\u578b\u7684\u610f\u4e49\uff0c\u4ee5\u4fbf\u66f4\u51c6\u786e\u5730\u9002\u5e94\u5404\u79cd\u60c5\u51b5\u7684\u9700\u6c42\u3002\u4fee\u9970\u7b26\u5982\u4e0b\uff1a\n\u2022 signed\uff08\u6709\u7b26\u53f7\uff09\u3002\n\u2022 unsigned\uff08\u65e0\u7b26\u53f7\uff09\u3002\n\u2022 long\uff08\u957f\u578b\u7b26\uff09\u3002\n\u2022 short\uff08\u77ed\u578b\u7b26\uff09\u3002\u4fee\u9970\u7b26s i g n e d\u3001s h o r t\u3001l o n g\u548cu n s i g n e  d\u9002\u7528\u4e8e\u5b57\u7b26\u548c\u6574\u6570\u4e24\u79cd\u57fa\u672c\u7c7b\u578b\uff0c\u800cl o n g\u8fd8\u53ef\u7528\u4e8ed o u b l e\uff08\u6ce8\u610f\uff0c\u7531\u4e8elong float\u4e0ed o u b l  e\u610f\u601d\u76f8\u540c\uff0c\u6240\u4ee5A N S I\u6807\u51c6\u5220\u9664\u4e86\u591a\u4f59\u7684long float\uff09\u3002\n\u88682 &#8211; 2\u7ed9\u51fa\u6240\u6709\u6839\u636eA N S I\u6807\u51c6\u800c\u7ec4\u5408\u7684\u7c7b\u578b\u3001\u5b57\u5bbd\u548c\u8303\u56f4\u3002\u5207\u8bb0\uff0c\u5728\u8ba1\u7b97\u673a\u5b57\u957f\u5927\u4e8e1 6\u4f4d\u7684\u7cfb\u7edf\u4e2d\uff0cshort int\u4e0esigned  char\u53ef\u80fd\u4e0d\u7b49\u3002<\/p>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/nick.txtcc.com\/wp-content\/uploads\/remote_image\/2010\/05\/1639081hw.gif\" alt=\"\" width=\"486\" height=\"285\" \/>\n<ul>\n<li>\u8868\u4e2d\u7684\u957f\u5ea6\u548c\u8303\u56f4\u7684\u53d6\u503c\u662f\u5047\u5b9aC P U\u7684\u5b57\u957f\u4e3a1 6 b i t\u3002\u56e0\u4e3a\u6574\u6570\u7684\u7f3a\u7701\u5b9a\u4e49\u662f\u6709\u7b26\u53f7\u6570\uff0c\u6240\u4ee5s i n g e  d\u8fd9\u4e00\u7528\u6cd5\u662f\u591a\u4f59\u7684\uff0c\u4f46\u4ecd\u5141\u8bb8\u4f7f\u7528\u3002\u67d0\u4e9b\u5b9e\u73b0\u5141\u8bb8\u5c06u n s i g n e d\u7528\u4e8e\u6d6e\u70b9\u578b\uff0c\u5982unsigned  double\u3002\u4f46\u8fd9\u4e00\u7528\u6cd5\u964d\u4f4e\u4e86\u7a0b\u5e8f\u7684\u53ef\u79fb<\/li>\n<\/ul>\n<p>\u690d\u6027\uff0c\u6545\u5efa\u8bae\u4e00\u822c\u4e0d\u8981\u91c7\u7528\u3002\u4e3a\u4e86\u4f7f\u7528\u65b9\u4fbf\uff0cC\u7f16\u8bd1\u7a0b\u5e8f\u5141\u8bb8\u4f7f\u7528\u6574\u578b\u7684\u7b80\u5199\u5f62\u5f0f\uff1a<\/p>\n<p>\u2022 short int \u7b80\u5199\u4e3as h o r t\u3002\n\u2022 long int \u7b80\u5199\u4e3al o n g\u3002\n\u2022 unsigned short int \u7b80\u5199\u4e3aunsigned short\u3002\n\u2022 unsigned int \u7b80\u5199\u4e3au n s i g n e d\u3002\n\u2022 unsigned long int \u7b80\u5199\u4e3aunsigned long\u3002\n\u5373\uff0ci n t\u53ef\u7f3a\u7701\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>C\u8bed\u8a00\u6709\u4e94\u79cd\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff1a\u5b57\u7b26\u3001\u6574\u578b\u3001\u5355\u7cbe\u5ea6\u5b9e\u578b\u3001\u53cc\u7cbe\u5ea6\u5b9e\u578b\u548c\u7a7a\u7c7b\u578b\u3002\u5c3d\u7ba1\u8fd9\u51e0\u79cd\u7c7b\u578b\u6570\u636e\u7684\u957f\u5ea6\u548c\u8303\u56f4\u968f\u5904\u7406\u5668\u7684\u7c7b\u578b\u548cC\u8bed\u8a00\u7f16\u8bd1\u7a0b\u5e8f\u7684\u5b9e\u73b0\u800c \u5f02\uff0c\u4f46 \u4ee5b i t\u4e3a\u4f8b\uff0c\u6574\u6570\u4e0eCPU\u5b57\u957f\u76f8\u7b49\uff0c\u4e00\u4e2a\u5b57\u7b26\u901a\u5e38&#46;&#46;&#46;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39],"tags":[65],"class_list":["post-118","post","type-post","status-publish","format-standard","hentry","category-scm","tag-c"],"_links":{"self":[{"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/posts\/118","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/comments?post=118"}],"version-history":[{"count":1,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/posts\/118\/revisions"}],"predecessor-version":[{"id":119,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/posts\/118\/revisions\/119"}],"wp:attachment":[{"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/media?parent=118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/categories?post=118"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/tags?post=118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}