{"id":289,"date":"2022-06-13T17:46:52","date_gmt":"2022-06-13T09:46:52","guid":{"rendered":"https:\/\/www.guger.top\/?p=289"},"modified":"2022-06-13T17:47:24","modified_gmt":"2022-06-13T09:47:24","slug":"%e6%8c%87%e9%92%88%e5%92%8c%e4%ba%8c%e9%87%8d%e6%8c%87%e9%92%88","status":"publish","type":"post","link":"https:\/\/www.guger.top\/index.php\/2022\/06\/13\/%e6%8c%87%e9%92%88%e5%92%8c%e4%ba%8c%e9%87%8d%e6%8c%87%e9%92%88\/","title":{"rendered":"\u6307\u9488\u548c\u4e8c\u91cd\u6307\u9488"},"content":{"rendered":"<p>\u5f53\u9700\u8981\u7ed9\u5730\u5740\u5f88\u7b80\u5355\u53ea\u9700\u8981\u4e00\u5c42\u6307\u9488\u5373\u53ef<\/p>\n<pre><code class=\"language-c\">void give_pointer(int* point)\n{\n    \/\/something\n}\nint main(void){\n    int tar=1;\n    give_pointer(&amp;tar);\n}<\/code><\/pre>\n<p>\u679c\u662f\u4e24\u5c42\u6216\u8005\u591a\u5c42\u5219\u6ca1\u4ec0\u4e48\u95ee\u9898\u4e00\u6837\u7684<\/p>\n<pre><code class=\"language-c\">void give_pointer2(int* point)\n{\n    \/\/something\n}\nvoid give_pointer(int* point)\n{\n    give_pointer2(point);\/\/something\n}\nint main(void){\n    int tar=1;\n    give_pointer(&amp;tar);\n}<\/code><\/pre>\n<p>\u5982\u679c\u9700\u8981\u6cdb\u578b\u5219\u4f7f\u7528void*<\/p>\n<pre><code class=\"language-c\">void give_pointer2(void* point)\n{\n    \/\/something\n}\nvoid give_pointer(void* point)\n{\n    give_pointer2(point);\/\/something\n}\nint main(void){\n    int tar=1;\n    give_pointer(&amp;tar);\n}<\/code><\/pre>\n<p>\u90a3\u4e48\u8981\u56de\u4f20\u53c2\u6570\u5c31\u9700\u8981\u601d\u8003\u4e00\u4e0b\u4e86<br \/>\n\u5982\u679c\u53ea\u6709\u4e00\u5c42<\/p>\n<pre><code class=\"language-c\">void get_pointer(int* point)\n{\n    *point=5;\/\/something\n}\nint main(void){\n    int tar=1;\n    give_pointer(&amp;tar);\n}<\/code><\/pre>\n<p>\u5982\u679c\u6709\u4e24\u5c42\u6216\u8005\u591a\u5c42<\/p>\n<pre><code class=\"language-c\">void get_pointer(int** point)\n{\n    *point=5;\/\/something\n}\nvoid get_pointer(int* point)\n{\n    get_pointer2(&amp;point);\/\/something\n}\nint main(void){\n    int tar=1;\n    give_pointer(&amp;tar);\n}<\/code><\/pre>\n<p>\u4e3a\u4ec0\u4e48\u4f7f\u7528void\u6307\u9488\uff1f<br \/>\n\u4e3a\u4e86\u53ef\u4ee5\u505a\u5305\u88c5\uff0c\u76f8\u5f53\u4e8e\u4e00\u4e2a\u62bd\u8c61\u5c42\uff0c\u7b97\u662f\u53e6\u4e00\u79cd\u5f62\u5f0f\u7684\u91cd\u8f7d\u3002<br \/>\n\u4e3a\u4e86\u4e0e\u4e0a\u5c42\u7684\u6570\u636e\u7ed3\u6784\u5206\u79bb\uff0c\u4e0d\u7136\u8fd8\u8981\u505a\u5934\u6587\u4ef6\u7684\u5f15\u7528.<br \/>\n\u4e3a\u4ec0\u4e48\u4e00\u822c\u6700\u9ad8\u53ea\u6709\u4e8c\u91cd\u6307\u9488\u3002<br \/>\n\u5bf9\u4e8e\u4e00\u822c\u53d8\u91cf\u800c\u8a00\uff08\u9664\u4e86\u591a\u7ef4\u6570\u7ec4\uff09\u53ea\u9700\u8981\u5bf9\u6307\u9488\u6307\u5411\u7684\u503c\u4fee\u6539\u6216\u8005\u4fee\u6539\u8fd9\u4e2a\u6307\u9488\u5c31\u80fd\u6ee1\u8db3\u9700\u8981\u3002<strong>\u5373\u4fee\u6539\u53d8\u91cf\u6570\u503c\u7528\u4e00\u91cd\u6307\u9488\uff0c\u4fee\u6539\u53d8\u91cf\u6307\u5411\u7684\u5730\u5740\u7528\u4e8c\u91cd\u6307\u9488\u3002<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u9700\u8981\u7ed9\u5730\u5740\u5f88\u7b80\u5355\u53ea\u9700\u8981\u4e00\u5c42\u6307\u9488\u5373\u53ef void give_pointer(int* point) { \/\/something }  &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":""},"categories":[39,32],"tags":[],"class_list":["post-289","post","type-post","status-publish","format-standard","hentry","category-c","category-linux"],"_links":{"self":[{"href":"https:\/\/www.guger.top\/index.php\/wp-json\/wp\/v2\/posts\/289","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.guger.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.guger.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.guger.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.guger.top\/index.php\/wp-json\/wp\/v2\/comments?post=289"}],"version-history":[{"count":0,"href":"https:\/\/www.guger.top\/index.php\/wp-json\/wp\/v2\/posts\/289\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.guger.top\/index.php\/wp-json\/wp\/v2\/media?parent=289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.guger.top\/index.php\/wp-json\/wp\/v2\/categories?post=289"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.guger.top\/index.php\/wp-json\/wp\/v2\/tags?post=289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}