{"id":155407,"date":"2020-08-30T18:31:26","date_gmt":"2020-08-30T10:31:26","guid":{"rendered":"http:\/\/4563.org\/?p=155407"},"modified":"2020-08-30T18:31:26","modified_gmt":"2020-08-30T10:31:26","slug":"execvp%e5%87%bd%e6%95%b0%e7%9a%84%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=155407","title":{"rendered":"execvp()\u51fd\u6570\u7684\u95ee\u9898"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  execvp()\u51fd\u6570\u7684\u95ee\u9898               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : zxCoder <\/span>  <span><i><\/i> 5<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<pre><code>#include &lt;cstdio&gt; #include &lt;unistd.h&gt; using namespace std; int main(){     char buf[80];     getcwd(buf,sizeof(buf));     printf(\"current working directory: %sn\", buf);     chdir(\"\/home\/keane\/Judge\/temp\");     getcwd(buf,sizeof(buf));     printf(\"current working directory: %sn\", buf);     char *array[3];     array[0] = \"java\";     array[1] = \"Main\";     array[2] = NULL;     execvp(\"java\", array);     return 0; } <\/code><\/pre>\n<p>\u8f93\u51fa\u8def\u5f84\u663e\u793a\u5df2\u7ecf\u5207\u6362\u76ee\u5f55\u8fc7\u53bb\u4e86\uff0c\u800c\u4e14\u4e0b\u9762\u4e5f\u786e\u5b9e\u6709 Main.class\uff0c\u4f46\u662f\u6211\u8fd9\u6837\u6267\u884c\u5c31\u663e\u793a\u9519\u8bef: \u627e\u4e0d\u5230\u6216\u65e0\u6cd5\u52a0\u8f7d\u4e3b\u7c7b Main<\/p>\n<p>\u6c42\u89e3<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>3<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"3287620\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : zxCoder <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u662f\u6211\u5bf9\u8fd9\u51e0\u4e2a\u51fd\u6570\u6709\u4ec0\u4e48\u8bef\u89e3\u5417                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"3287621\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : zxCoder <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u6c42\u89e3\uff01\uff01                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"3287622\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : ysc3839 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u6211\u6d4b\u8bd5\u6ca1\u95ee\u9898\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>execvp()\u51fd\u6570\u7684\u95ee\u9898 \u8cc7\u6df1\u5927&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/155407"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=155407"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/155407\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=155407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=155407"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=155407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}