{"id":1011,"date":"2014-04-12T16:45:40","date_gmt":"2014-04-12T08:45:40","guid":{"rendered":"http:\/\/www.apkdog.com\/?p=1011"},"modified":"2014-04-12T17:28:12","modified_gmt":"2014-04-12T09:28:12","slug":"%e9%87%8d%e6%96%b0%e6%b8%a9%e4%b9%a0c%e8%af%ad%e8%a8%80%e4%b9%8b%e6%8c%87%e5%90%91%e6%8c%87%e9%92%88%e7%9a%84%e6%8c%87%e9%92%88","status":"publish","type":"post","link":"http:\/\/www.51cos.com\/?p=1011","title":{"rendered":"\u91cd\u65b0\u6e29\u4e60C\u8bed\u8a00\u4e4b\u201c\u6307\u5411\u6307\u9488\u7684\u6307\u9488\u201d"},"content":{"rendered":"<p>\u4eca\u5929\u91cd\u65b0\u62ff\u8d77\u57282008\u5e74\u4e70\u7684\u300aC\u548c\u6307\u9488\u300b\u6765\u6e29\u4e60\uff0c<\/p>\n<p>\u8fd9\u672c\u4e66\u53ef\u662f\u7ecf\u5178\u4e4b\u4f5c\uff0c\u8bb0\u5f97\u5f53\u65f6\u5356\u8131\u8d27\uff0c\u7b49\u4e86\u597d\u4e45\u624d\u5728\u5f53\u5f53\u7f51\u4e0a\u4e70\u4e0b\u6765\u7684\u3002<\/p>\n<p>\u7531\u4e8e\u5bf9\u201c\u6307\u5411\u6307\u9488\u7684\u6307\u9488\u201d\u6982\u5ff5\u4e00\u76f4\u7406\u89e3\u4e0d\u6e05\u6670\uff0c\u770b\u5230\u7a0b\u5e8f\u4e2d\u6709\u8fd9\u6837\u7528\u5230\u5c31\u4f1a\u4ea7\u751f\u754f\u60e7\u5fc3\u7406\uff0c\u4eca\u5929\u72e0\u72e0\u5fc3\uff0c\u770b\u80fd\u5426\u62ff\u4e0b\u6765\uff01<\/p>\n<p>\u5148\u501f\u7528\u522b\u4eba\u5199\u7684C++\u8bed\u8a00\u5b9e\u4f8b\uff0c\u5176\u5b9e\u548cC\u8bed\u8a00\u4e00\u6837\u7684\uff1a<\/p>\n<pre>\n<p>#include <iostream><br \/>\nusing namespace std;<\/p>\n<p>int main()<br \/>\n{<br \/>\n    int a[5] = {1, 2, 3, 4, 5};<br \/>\n    int *p = a;<br \/>\n    int **point = &p;<\/p>\n<p>    cout << \"a = \" << a << endl\n        << \"p = \" << p << endl\n        << \"&#038;p = \" << &#038;p << endl\n        << \"point = \" << point << endl\n        << \"&#038;point = \" << &#038;point << endl;\n\n    for (int i = 0; i < 5; i++)\n    {\n        cout << \"&#038;a[\" << i << \"] = \" << &#038;a[i] << endl;\n    }\n    return 0;\n}\n \n\n\n\n\u8fd0\u884c\u7ed3\u679c\u56fe\u5982\u4e0b\uff1a\n\n<a href=\"http:\/\/www.51cos.com\/wp-content\/uploads\/2014\/04\/1.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.51cos.com\/wp-content\/uploads\/2014\/04\/1.png\" alt=\"1\" width=\"346\" height=\"197\" class=\"alignnone size-full wp-image-1021\" \/><\/a><br \/>\n\u5185\u5b58\u5206\u914d\u56fe\u5982\u4e0b\uff1a<br \/>\n<a href=\"http:\/\/www.51cos.com\/wp-content\/uploads\/2014\/04\/2.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.51cos.com\/wp-content\/uploads\/2014\/04\/2.png\" alt=\"2\" width=\"661\" height=\"186\" class=\"alignnone size-full wp-image-1022\" \/><\/a><\/p>\n<p>\u4ece\u4e0a\u56fe\u53ef\u4ee5\u770b\u51fa:<\/p>\n<p><strong> point\u6307\u9488\u4e2d\u5b58\u653e\u7684\u662fp\u6307\u9488\u7684\u5730\u5740\uff0c\u800cp\u6307\u9488\u4e2d\u5b58\u653e\u7684\u662fa[0]\u7684\u5730\u5740,\u6240\u4ee5*point\u548cp\u4e24\u8005\u662f\u7b49\u4ef7\u7684\u3002<\/strong><\/p>\n<p>\u4f9d\u7167\u6b64\u7ed3\u8bba\uff0c\u6211\u4eec\u53ef\u4ee5\u63a8\u5bfc\uff1a<\/p>\n<p>1. **point \u7b49\u4e8e *p \u7b49\u4e8e a[0]<br \/>\n2.*point\u7b49\u4e8ep:\u4e4b\u6240\u4ee5*point\u548cp\u662f\u4e00\u6837\u7684\uff0c\u524d\u8005\u662f\u53d6point\u6307\u9488\u4e2d\u5b58\u653e\u7684\u5730\u5740(0025F754)\u4e2d\u7684\u503c\uff0c\u5373\u53d6\u5730\u57400025F754\u4e2d\u5b58\u653e\u7684\u503c(0025F760)\uff0c\u800c\u540e\u8005\u5c31\u662f0025F760\uff0c\u6240\u4ee5\u4e24\u8005\u662f\u7b49\u4ef7\u7684\u3002<br \/>\n3.*(p+1) \u7b49\u4e8ep\u6307\u9488\u52a01\uff0c\u7b49\u4e8e\u53d6\u6570\u7ec4\u4e0b\u4e00\u4e2a\u5143\u7d20\u7684\u503c<br \/>\n4. *point++ \u7b49\u4e8e p++<\/p>\n<p>\u8fd9\u91cc\u6709\u4e2a\u7591\u95eepoint++\u662f\u4ec0\u4e48\u5462\uff1f<\/p>\n<p>\u6211\u7684\u7406\u89e3\u662fpoint\u5b58\u653e\u7684\u662fp\u7684\u5730\u57400025F754\uff0c\u5219point++\u7b49\u4e8epoint+sizeof(point)\u7b49\u4e8e0025F754+4\uff0c\u770b\u8d77\u6765\u662fP\u540e\u9762\u7684\u5730\u5740\u3002<br \/>\n\u540c\u7406\uff1a<br \/>\np++\u7b49\u4e8ep+sizeof(p)\u7b49\u4e8e0025F760+4\u7b49\u4e8ea[1]\u7684\u5730\u5740<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u5929\u91cd\u65b0\u62ff\u8d77\u57282008\u5e74\u4e70\u7684\u300aC\u548c\u6307\u9488\u300b\u6765\u6e29\u4e60\uff0c \u8fd9\u672c\u4e66\u53ef\u662f\u7ecf\u5178\u4e4b\u4f5c\uff0c\u8bb0\u5f97\u5f53\u65f6\u5356\u8131\u8d27\uff0c\u7b49\u4e86\u597d\u4e45\u624d\u5728\u5f53\u5f53\u7f51\u4e0a\u4e70\u4e0b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-1011","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts\/1011","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1011"}],"version-history":[{"count":0,"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts\/1011\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1011"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}