{"id":7292,"date":"2022-10-24T10:19:42","date_gmt":"2022-10-24T02:19:42","guid":{"rendered":"http:\/\/xinyiworld.top\/wordpress_it\/?p=7292"},"modified":"2022-10-24T17:43:03","modified_gmt":"2022-10-24T09:43:03","slug":"linux%e4%b8%8a%e8%8e%b7%e5%8f%96%e5%bd%93%e5%89%8d%e5%8f%af%e6%89%a7%e8%a1%8c%e6%96%87%e4%bb%b6%e7%9a%84%e7%bb%9d%e5%af%b9%e8%b7%af%e5%be%84","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=7292","title":{"rendered":"linux\u4e0a\u83b7\u53d6\u5f53\u524d\u53ef\u6267\u884c\u6587\u4ef6\u7684\u7edd\u5bf9\u8def\u5f84"},"content":{"rendered":"<p>\u901a\u8fc7<code>unistd.h<\/code>\u4e2d\u7684<code>getcwd<\/code>\u65b9\u6cd5\u83b7\u53d6\u7684\u6c38\u8fdc\u90fd\u662f\/root\uff0c\u901a\u8fc7<a href=\"https:\/\/www.cnblogs.com\/pangkr-linux\/p\/12888778.html\">https:\/\/www.cnblogs.com\/pangkr-linux\/p\/12888778.html<\/a> \u9a8c\u8bc1\u662f\u53ef\u884c\u7684\uff1a<\/p>\n<pre><code class=\"language-cpp\">#include &lt;stdio.h&gt;\n#include &lt;unistd.h&gt;\n\nint main( )\n{\n    char link[100];\n    char path[100];\n\n    sprintf( link, &quot;\/proc\/%d\/exe&quot;, getpid() );\n    int i = readlink( link, path, sizeof( path ) );\n    path[i] = &#039;\\0&#039;;\n    printf( &quot;current path %s : %d\\n&quot;, path, getpid() );\n\n    return 0;\n}\n<\/code><\/pre>\n<p>\u4f46\u662f\u4e0a\u9762\u7684\u65b9\u6cd5\u83b7\u53d6\u662f\u6267\u884c\u6587\u4ef6\u7684\u5168\u8def\u5f84\uff0c\u5982\u679c\u60f3\u83b7\u53d6\u7236\u8def\u5f84\uff0c\u8fd8\u5f97\u622a\u53d6\u3002<\/p>\n<button class=\"simplefavorite-button\" data-postid=\"7292\" data-siteid=\"1\" data-groupid=\"1\" data-favoritecount=\"0\" style=\"\">\u6536\u85cf <i class=\"sf-icon-star-empty\"><\/i><\/button>","protected":false},"excerpt":{"rendered":"<p>\u901a\u8fc7unistd.h\u4e2d\u7684getcwd\u65b9\u6cd5\u83b7\u53d6\u7684\u6c38\u8fdc\u90fd\u662f\/root\uff0c\u901a\u8fc7https:\/\/www.cnb [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[501],"tags":[],"_links":{"self":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/7292"}],"collection":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7292"}],"version-history":[{"count":2,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/7292\/revisions"}],"predecessor-version":[{"id":7295,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/7292\/revisions\/7295"}],"wp:attachment":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7292"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}