{"id":105090,"date":"2026-09-13T19:41:14","date_gmt":"2026-09-13T11:41:14","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/105090.html"},"modified":"2026-09-13T19:41:14","modified_gmt":"2026-09-13T11:41:14","slug":"%e6%b7%b1%e5%ba%a6%e8%a7%a3%e6%9e%90%e5%86%85%e5%ad%98%e5%88%86%e5%8c%ba%e4%b8%8e%e5%b8%83%e5%b1%80","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/105090.html","title":{"rendered":"\u6df1\u5ea6\u89e3\u6790\u5185\u5b58\u5206\u533a\u4e0e\u5e03\u5c40"},"content":{"rendered":"<h2>\u8fdb\u7a0b &amp; \u865a\u62df\u5185\u5b58<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260913114111-6aa68bd71795b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\u6bcf\u4e2aC\u8bed\u8a00\u8fdb\u7a0b\u90fd\u62e5\u6709\u4e00\u7247\u7ed3\u6784\u76f8\u540c\u7684\u865a\u62df\u5185\u5b58<\/li>\n<li>\u6240\u6709\u7684\u865a\u62df\u5185\u5b58\u5e03\u5c40\u90fd\u662f\u76f8\u540c\u7684&#xff0c;\u6781\u5927\u5730\u65b9\u4fbf\u5185\u6838\u7ba1\u7406\u4e0d\u540c\u7684\u8fdb\u7a0b<\/li>\n<li>\u865a\u62df\u5185\u5b58&#xff1a;\u4ece\u5b9e\u9645\u7269\u7406\u5185\u5b58\u6620\u5c04\u51fa\u6765\u7684\u5730\u5740\u89c4\u8303\u8303\u56f4<\/li>\n<\/ul>\n<h2>\u5185\u5b58\u5e03\u5c40<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260913114111-6aa68bd7eba58.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\u5185\u6838\u533a\u6bb5\u5bf9\u4e8e\u5e94\u7528\u7a0b\u5e8f\u800c\u8a00\u65e0\u6cd5\u8bbf\u95ee&#xff0c;\u7528\u4e8e\u5b58\u653e\u64cd\u4f5c\u7cfb\u7edf\u7684\u5173\u952e\u6027\u4ee3\u7801<\/li>\n<li>\u7531\u4e8e Linux \u7cfb\u7edf\u7684\u5386\u53f2\u6027\u539f\u56e0&#xff0c;\u5728\u865a\u62df\u5185\u5b58\u7684\u6700\u5e95\u7aef 0x000000000 ~ 0x08048000 \u4e4b\u95f4\u4e5f\u6709\u4e00\u6bb5\u4e0d\u53ef\u8bbf\u95ee\u533a\u6bb5<\/li>\n<li>\u5185\u5b58\u56db\u533a&#xff1a;\u6808\u3001\u5806\u3001\u4ee3\u7801\u6bb5\u3001\u6570\u636e\u6bb5<\/li>\n<\/ul>\n<h2>\u5185\u5b58\u5e03\u5c40 (\u8be6\u7ec6)<\/h2>\n<ul>\n<li>\u6570\u636e\u6bb5\u548c\u4ee3\u7801\u6bb5\u5185\u5b58\u7684\u5206\u914d\u548c\u91ca\u653e&#xff0c;\u90fd\u662f\u7531\u7cfb\u7edf\u89c4\u5b9a\u7684&#xff0c;\u7a0b\u5e8f\u5458\u65e0\u6cd5\u5e72\u9884\u3002<\/li>\n<\/ul>\n<h2>\u6808<\/h2>\n<ul>\n<li>\u5927\u5c0f&#xff1a;\u9ed8\u8ba4\u4e3a 8 M&#xff0c;\u7a7a\u95f4\u6709\u9650&#xff0c;\u5728\u5d4c\u5165\u5f0f\u73af\u5883\u4e0b&#xff0c;\u4e0d\u53ef\u4ee5\u7528\u6765\u5b58\u50a8\u5c3a\u5bf8\u592a\u5927\u7684\u53d8\u91cf<\/li>\n<li>\u5206\u914d\n<ul>\n<li>\u6bcf\u5f53\u4e00\u4e2a\u51fd\u6570\u88ab\u8c03\u7528&#xff0c;\u6808\u5c31\u4f1a\u5411\u4e0b\u589e\u957f\u4e00\u6bb5&#xff08;\u8be5\u533a\u57df\u5185\u5b58\u4ece\u9ad8\u5230\u4f4e\u5206\u914d&#xff09;&#xff0c;\u7528\u4ee5\u5b58\u50a8\u8be5\u51fd\u6570\u7684\u5c40\u90e8\u53d8\u91cf\u3002<\/li>\n<li>\u6bcf\u5f53\u4e00\u4e2a\u51fd\u6570\u9000\u51fa&#xff0c;\u6808\u5c31\u4f1a\u5411\u4e0a\u7f29\u51cf\u4e00\u6bb5&#xff0c;\u5c06\u8be5\u51fd\u6570\u7684\u5c40\u90e8\u53d8\u91cf\u6240\u5360\u5185\u5b58\u5f52\u8fd8\u7ed9\u7cfb\u7edf<\/li>\n<li>\u6808\u5185\u5b58\u7684\u5206\u914d\u548c\u91ca\u653e&#xff0c;\u90fd\u662f\u7531\u7cfb\u7edf\u89c4\u5b9a&#xff08;\u81ea\u52a8\u5316\u5b8c\u6210&#xff09;\u7684&#xff0c;\u7a0b\u5e8f\u5458\u65e0\u6cd5\u5e72\u9884<\/li>\n<\/ul>\n<\/li>\n<li>\u5b58\u50a8\n<ul>\n<li>\u73af\u5883\u53d8\u91cf&#xff1a;\u7528\u6237\u540d&#xff0c;\u5de5\u4f5c\u8def\u5f84&#xff0c;\u53ef\u6267\u884c\u6587\u4ef6\u7684\u8def\u5f84&#xff0c;\u5e93\u7684\u8def\u5f84<\/li>\n<li>\u547d\u4ee4\u884c\u53c2\u6570&#xff1a;\u5728\u547d\u4ee4\u884c\u4e2d\u8fd0\u884c\u7a0b\u5e8f\u65f6&#xff0c;\u643a\u5e26\u7684\u53c2\u6570<\/li>\n<li>\u5c40\u90e8\u53d8\u91cf (\u5728\u51fd\u6570\u4f53\u5185\u90e8 {}\u5b9a\u4e49\u7684\u6240\u6709\u53d8\u91cf\u90fd\u5c5e\u4e8e\u5c40\u90e8\u53d8\u91cf&#xff0c;\u5305\u62ec\u5f62\u53c2&#xff09;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u83b7\u53d6\u73af\u5883\u53d8\u91cf<\/h3>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdio.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdlib.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> argc<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token operator\">*<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span> name <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getenv<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;LOGNAME&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5f53\u524d\u7528\u6237\u540d\u662f&#xff1a;%s\\\\n&#034;<\/span> <span class=\"token punctuation\">,<\/span> name <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span> pwd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getenv<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;PWD&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5f53\u524d\u5de5\u4f5c\u8def\u5f84\u662f&#xff1a;%s\\\\n&#034;<\/span> <span class=\"token punctuation\">,<\/span> pwd <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span> homePath <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getenv<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;HOME&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5f53\u524d\u7528\u6237\u5bb6\u76ee\u5f55\u662f&#xff1a;%s\\\\n&#034;<\/span> <span class=\"token punctuation\">,<\/span> homePath <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>\u83b7\u53d6\u547d\u4ee4\u884c\u53c2\u6570<\/h3>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdio.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/  int argc  \u4f20\u9012\u7684\u53c2\u6570\u6570\u91cf<\/span><br \/>\n<span class=\"token comment\">\/\/  char const *argv[] \u6570\u7ec4\u7528\u4e8e\u5b58\u50a8\u547d\u4ee4\u884c\u4e2d\u7684\u6bcf\u4e00\u4e2a\u53c2\u6570\u7684\u503c&#xff08;\u5165\u53e3\u5730\u5740&#xff09;<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> argc<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token operator\">*<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u547d\u4ee4\u884c\u7684\u53c2\u6570\u6570\u91cfargc:%d\\\\n&#034;<\/span> <span class=\"token punctuation\">,<\/span> argc <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> argc <span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;argv[%d]:%s\\\\n&#034;<\/span> <span class=\"token punctuation\">,<\/span> i <span class=\"token punctuation\">,<\/span> argv<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8fd0\u884c\u65f6&#xff0c;\u901a\u8fc7\u547d\u4ee4\u8fdb\u884c\u4f20\u9012\u5e76\u4f7f\u7528\u7a7a\u767d\u7b26\u8fdb\u884c\u5206\u5272&#xff1a;<\/span><br \/>\n$ <span class=\"token punctuation\">.<\/span><span class=\"token operator\">\/<\/span>a<span class=\"token punctuation\">.<\/span>out  Hello <span class=\"token number\">123<\/span> Even GZ2536  \u4f60\u597d<\/p>\n<p>\u8fd0\u884c\u7ed3\u679c&#xff1a;<br \/>\n\u547d\u4ee4\u884c\u7684\u53c2\u6570\u6570\u91cfargc<span class=\"token operator\">:<\/span><span class=\"token number\">6<\/span><br \/>\nargv<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">:<\/span><span class=\"token punctuation\">.<\/span><span class=\"token operator\">\/<\/span>a<span class=\"token punctuation\">.<\/span>out<br \/>\nargv<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">:<\/span>Hello<br \/>\nargv<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">123<\/span><br \/>\nargv<span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">:<\/span>Even<br \/>\nargv<span class=\"token punctuation\">[<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">:<\/span>GZ2536<br \/>\nargv<span class=\"token punctuation\">[<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">:<\/span>\u4f60\u597d<\/p>\n<h2>\u5806<\/h2>\n<ul>\n<li>\u5b58\u50a8&#xff1a;\u7a0b\u5e8f\u8fd0\u884c\u65f6\u52a8\u6001\u5206\u914d\u7684\u5bf9\u8c61\u548c\u6570\u636e\u3002\u52a8\u6001\u5206\u914d\u7684\u7ed3\u6784\u4f53\/\u7c7b\u5bf9\u8c61&#xff1a; \u5728 C \u8bed\u8a00\u4e2d\u901a\u8fc7 malloc()\u3001calloc() \u5206\u914d\u7684\u7a7a\u95f4&#xff0c;\u6216\u5728 C&#043;&#043;\/Java\/Python \u4e2d\u901a\u8fc7 new \u5173\u952e\u5b57\u521b\u5efa\u7684\u5bf9\u8c61&#xff0c;\u90fd\u5b58\u653e\u5728\u5806\u4e2d<\/li>\n<li>\u7279\u70b9\n<ul>\n<li>\u5806\u7684\u603b\u5927\u5c0f\u4ec5\u53d7\u9650\u4e8e\u7269\u7406\u5185\u5b58&#xff0c;\u5728\u7269\u7406\u5185\u5b58\u5141\u8bb8\u7684\u8303\u56f4\u5185&#xff0c;\u7cfb\u7edf\u5bf9\u5806\u5185\u5b58\u7684\u7533\u8bf7\u4e0d\u505a\u9650\u5236<\/li>\n<li>\u5806\u5185\u5b58\u4ece\u4e0b\u5f80\u4e0a\u589e\u957f<\/li>\n<li>\u5806\u5185\u5b58\u662f\u533f\u540d\u7684&#xff0c;\u53ea\u80fd\u7531\u6307\u9488\u6765\u8bbf\u95ee&#xff08;\u7533\u8bf7\u5806\u5185\u5b58\u65f6\u7cfb\u7edf\u4f1a\u8fd4\u56de\u8be5\u5185\u5b58\u7684\u5165\u53e3\u5730\u5740&#xff09;<\/li>\n<li>\u81ea\u5b9a\u4e49\u5206\u914d\u7684\u5806\u5185\u5b58&#xff0c;\u9664\u975e\u5f00\u53d1\u8005\u4e3b\u52a8\u91ca\u653e&#xff0c;\u5426\u5219\u6c38\u4e0d\u91ca\u653e&#xff0c;\u76f4\u5230\u7a0b\u5e8f\u9000\u51fa&#xff08;\u7cfb\u7edf\u4f1a\u5728\u7a0b\u5e8f\u8fd0\u884c\u7ed3\u675f\u65f6\u628a\u6574\u4e2a\u865a\u62df\u5185\u5b58\u8fdb\u884c\u9500\u6bc1&#xff09;&#xff0c;\u56e0\u6b64\u5806\u5185\u5b58\u4e5f\u662f\u9020\u6210\u5185\u5b58\u6cc4\u9732\u7684\u4e00\u5927\u707e\u533a<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u5185\u5b58\u6cc4\u6f0f\u68c0\u6d4b<\/h3>\n<p><span class=\"token function\">sudo<\/span> <span class=\"token function\">apt<\/span> <span class=\"token function\">install<\/span> valgrind<br \/>\nvalgrind .\/a.out<\/p>\n<h3>\u76f8\u5173API<\/h3>\n<p><span class=\"token comment\">\/\/ \u5206\u914d<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token function\">malloc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">size_t<\/span> size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token function\">calloc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">size_t<\/span> nmemb<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token function\">realloc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>_Nullable ptr<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token function\">reallocarray<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>_Nullable ptr<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> nmemb<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6e05\u96f6<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">bzero<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> s<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">.<\/span>n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> s<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">.<\/span>n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> c<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u91ca\u653e<\/span><br \/>\n <span class=\"token keyword\">void<\/span> <span class=\"token function\">free<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>_Nullable ptr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<ul>\n<li>\u6ce8\u610f&#xff1a;\n<ul>\n<li>malloc()\u7533\u8bf7\u7684\u5806\u5185\u5b58&#xff0c;\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u968f\u673a\u503c&#xff0c;\u4e00\u822c\u9700\u8981\u7528 bzero() \u6216 memset() \u6765\u6e05\u96f6\u3002<\/li>\n<li>calloc()\u7533\u8bf7\u7684\u5806\u5185\u5b58&#xff0c;\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u5df2\u7ecf\u6e05\u96f6&#xff0c;\u4e0d\u9700\u8981\u518d\u6e05\u96f6\u3002<\/li>\n<li>free()\u53ea\u80fd\u91ca\u653e\u5806\u5185\u5b58&#xff0c;\u5e76\u4e14\u53ea\u80fd\u91ca\u653e\u6574\u5757\u5806\u5185\u5b58&#xff0c;\u4e0d\u80fd\u91ca\u653e**\u522b\u7684\u533a\u6bb5(\u6808\u3001\u6570\u636e\u6bb5\u3001\u4ee3\u7801\u6bb5)**\u7684\u5185\u5b58\u6216\u8005\u91ca\u653e\u4e00\u90e8\u5206\u5806\u5185\u5b58\u3002<\/li>\n<li>free\u51fd\u6570\u53ea\u80fd\u5bf9\u5806\u5185\u5b58\u7684\u5165\u53e3\u5730\u5740\u8fdb\u884c\u64cd\u4f5c<\/li>\n<\/ul>\n<\/li>\n<li>\u91ca\u653e\u5185\u5b58\u7684\u542b\u4e49&#xff1a;\n<ul>\n<li>\u91ca\u653e\u5185\u5b58\u610f\u5473\u7740\u5c06\u5185\u5b58\u7684\u4f7f\u7528\u6743\u5f52\u8fd8\u7ed9\u7cfb\u7edf\u3002<\/li>\n<li>\u91ca\u653e\u5185\u5b58\u5e76\u4e0d\u4f1a\u6539\u53d8\u6307\u9488\u7684\u6307\u5411&#xff08;\u56e0\u6b64\u6307\u9488\u76f4\u63a5\u53d8\u6210\u4e86\u91ce\u6307\u9488&#xff0c;\u9700\u8981\u624b\u52a8\u8bbe\u7f6e\u4e3aNULL&#xff09;\u3002<\/li>\n<li>\u91ca\u653e\u5185\u5b58\u5e76\u4e0d\u4f1a\u5bf9\u5185\u5b58\u505a\u4efb\u4f55\u4fee\u6539&#xff0c;\u66f4\u4e0d\u4f1a\u5c06\u5185\u5b58\u6e05\u96f6\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>realloc()<\/h4>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token function\">realloc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>_Nullable ptr<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ptr <span class=\"token operator\">&#8212;<\/span><span class=\"token operator\">&gt;<\/span> \u76ee\u524d\u5df2\u6709\u7684\u5185\u5b58\u5165\u53e3\u5730\u5740<br \/>\n    size <span class=\"token operator\">&#8212;<\/span><span class=\"token operator\">&gt;<\/span> \u65b0\u7684\u76ee\u6807\u5185\u5b58\u5c3a\u5bf8<br \/>\n\u8fd4\u56de\u503c&#xff1a;<br \/>\n    \u6210\u529f \u8fd4\u56de\u7533\u8bf7\u5230\u7684\u5165\u53e3\u5730\u5740<br \/>\n    \u5931\u8d25 \u8fd4\u56de<span class=\"token constant\">NULL<\/span><\/p>\n<ul>\n<li>\u8be5\u51fd\u6570\u5982\u679c\u53d1\u751f\u4e86\u5185\u5b58\u6269\u5f20&#xff0c;\u90a3\u4e48\u5c31\u6709\u53ef\u80fd\u9700\u8981\u628a\u6211\u4eec\u539f\u672c\u7684\u6570\u636e\u8fdb\u884c\u62f7\u8d1d\u5230\u65b0\u7684\u5185\u5b58\u7a7a\u95f4\u4e2d&#xff0c;\u539f\u6765\u7684\u6307\u9488\u6240\u6267\u884c\u7684\u5185\u5b58\u4f1a\u88ab\u8be5\u51fd\u6570\u91ca\u653e\u6389&#xff0c;\u4e0d\u80fd\u518d\u8bbf\u95ee\u3002<\/li>\n<li>\u8be5\u51fd\u6570\u5982\u679c\u53d1\u751f\u4e86\u5185\u5b58\u7f29\u5c0f&#xff0c;\u90a3\u4e48\u65b0\u5185\u5b58\u4e0d\u5305\u542b\u7684\u533a\u57df\u4f1a\u88ab\u91ca\u653e\u6389\u4e00\u90e8\u5206&#xff0c;\u5982\u679c\u518d\u6b21\u8bbf\u95ee\u5219\u9020\u6210\u975e\u6cd5\u8bbf\u95ee\u3002<\/li>\n<li>\u56e0\u6b64\u8be5\u51fd\u6570\u7684\u8fd4\u56de\u503c&#xff0c;\u5efa\u8bae\u90fd\u4f7f\u7528\u539f\u6765\u7684\u6307\u9488\u8fdb\u884c\u63a5\u6536<\/li>\n<\/ul>\n<h4>reallocarray()<\/h4>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token function\">reallocarray<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>_Nullable ptr<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> nmemb<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ptr <span class=\"token operator\">&#8212;<\/span><span class=\"token operator\">&gt;<\/span> \u76ee\u524d\u5df2\u6709\u7684\u5185\u5b58\u5165\u53e3\u5730\u5740<br \/>\n    nmemb <span class=\"token operator\">&#8212;<\/span><span class=\"token operator\">&gt;<\/span> \u65b0\u5185\u5b58\u9700\u8981N\u5757\u5185\u5b58<br \/>\n    size <span class=\"token operator\">&#8212;<\/span><span class=\"token operator\">&gt;<\/span> \u65b0\u5185\u5b58\u6bcf\u4e00\u5757\u591a\u5927<br \/>\n\u8fd4\u56de\u503c&#xff1a;<br \/>\n    \u6210\u529f \u8fd4\u56de\u7533\u8bf7\u5230\u7684\u5165\u53e3\u5730\u5740<br \/>\n    \u5931\u8d25 \u8fd4\u56de<span class=\"token constant\">NULL<\/span><\/p>\n<h2>\u6570\u636e\u6bb5<\/h2>\n<ul>\n<li>.bss&#xff1a;\u5b58\u50a8 \u672a\u521d\u59cb\u5316 \u6216 \u521d\u59cb\u5316\u4e3a\u96f6 \u7684\u5168\u5c40\u53d8\u91cf\u548c\u9759\u6001\u53d8\u91cf\u3002\u5b83\u5728\u78c1\u76d8\u4e0a\u4e0d\u5360\u7a7a\u95f4&#xff0c;\u53ea\u5728\u7a0b\u5e8f\u52a0\u8f7d\u65f6\u5728\u5185\u5b58\u4e2d\u5206\u914d\u5e76\u6e05\u96f6\u3002<\/li>\n<li>.data&#xff1a;\u5b58\u50a8 \u5df2\u521d\u59cb\u5316\u4e14**\u975e\u96f6 **\u7684\u5168\u5c40\u53d8\u91cf\u548c\u9759\u6001\u53d8\u91cf<\/li>\n<li>.rodata&#xff1a;\u5b58\u50a8\u5e38\u91cf\u6570\u636e (\u53ea\u8bfb\u6570\u636e)\u3002\u6bd4\u5982\u5b57\u7b26\u4e32\u5e38\u91cf&#xff08;\u5982 &#034;Hello World&#034;&#xff09;\u6216\u8005\u7528 const \u4fee\u9970\u7684\u5168\u5c40\u53d8\u91cf<\/li>\n<\/ul>\n<h3>\u9759\u6001\u6570\u636e<\/h3>\n<ul>\n<li>\u751f\u547d\u5468\u671f&#xff1a;\u4e0d\u4f1a\u968f\u7740\u7a0b\u5e8f\u4e8e\u8fd0\u884c\u7684\u8fc7\u7a0b\u4ea7\u751f\u6216\u91ca\u653e&#xff0c;\u4e0e\u6574\u4e2a\u8fdb\u7a0b\u7684\u751f\u547d\u5468\u671f\u4fdd\u6301\u4e00\u81f4\u3002\u53ea\u8981\u7a0b\u5e8f\u8fd0\u884c\u9759\u6001\u533a\u7684\u5185\u5b58\u5c31\u4f1a\u88ab\u5206\u914d&#xff0c;\u76f4\u5230\u7a0b\u5e8f\u9000\u51fa\u624d\u80fd&#xff08;\u7531\u7cfb\u7edf\u81ea\u52a8&#xff09;\u91ca\u653e<\/li>\n<li>\u5206\u7c7b\n<ul>\n<li>\u5168\u5c40\u53d8\u91cf&#xff1a;\u5b9a\u4e49\u5728\u51fd\u6570\u4f53 { } \u5916\u90e8\u7684\u53d8\u91cf\u3002<\/li>\n<li>\u9759\u6001\u5c40\u90e8\u53d8\u91cf&#xff1a;\u5b9a\u4e49\u5728\u51fd\u6570\u5185\u90e8&#xff0c;\u4e14\u88ab static \u4fee\u9970\u7684\u53d8\u91cf<\/li>\n<\/ul>\n<\/li>\n<li>\u7279\u70b9\n<ul>\n<li>\u82e5\u5b9a\u4e49\u65f6\u672a\u521d\u59cb\u5316&#xff0c;\u5219\u7cfb\u7edf\u4f1a\u5c06\u6240\u6709\u7684\u9759\u6001\u6570\u636e\u81ea\u52a8\u521d\u59cb\u5316\u4e3a0<\/li>\n<li>\u9759\u6001\u6570\u636e\u521d\u59cb\u5316\u8bed\u53e5&#xff0c;\u53ea\u4f1a\u6267\u884c\u4e00\u904d\u3002<\/li>\n<li>\u9759\u6001\u6570\u636e\u4ece\u7a0b\u5e8f\u5f00\u59cb\u8fd0\u884c\u65f6\u4fbf\u5df2\u5b58\u5728&#xff0c;\u76f4\u5230\u7a0b\u5e8f\u9000\u51fa\u65f6\u624d\u91ca\u653e\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span class=\"token keyword\">int<\/span> a<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5168\u5c40\u53d8\u91cf&#xff0c;\u9000\u51fa\u6574\u4e2a\u7a0b\u5e8f\u4e4b\u524d\u4e0d\u4f1a\u91ca\u653e<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">f<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6240\u6709\u7684\u9759\u6001\u6570\u636e\u7684\u521d\u59cb\u5316\u8bed\u53e5\u53ea\u4f1a\u88ab\u6267\u884c\u4e00\u6b21<\/span><br \/>\n    <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> b <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span> <span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u9759\u6001\u5c40\u90e8\u53d8\u91cf&#xff0c;\u9000\u51fa\u6574\u4e2a\u7a0b\u5e8f\u4e4b\u524d\u4e0d\u4f1a\u91ca\u653e<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    b<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">f<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">f<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u91cd\u590d\u8c03\u7528\u51fd\u6570 f()&#xff0c;\u4f1a\u4f7f\u9759\u6001\u5c40\u90e8\u53d8\u91cf b \u7684\u503c\u4e0d\u65ad\u589e\u5927<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u4ee3\u7801\u6bb5<\/h2>\n<ul>\n<li>.text&#xff1a;\u5b58\u653e\u7528\u6237\u4ee3\u7801<\/li>\n<li>.init&#xff1a;\u5b58\u653e\u7cfb\u7edf\u521d\u59cb\u5316\u4ee3\u7801&#xff08;\u7531\u7f16\u8bd1\u5668\u81ea\u52a8\u751f\u6210\u5e76\u6dfb\u52a0&#xff0c;\u7528\u4e8e\u521d\u59cb\u5316\u672c\u7a0b\u5e8f\u6240\u9700\u7684\u5185\u5b58\u7a7a\u95f4&#xff09;<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u8fdb\u7a0b &amp; \u865a\u62df\u5185\u5b58\u6bcf\u4e2aC\u8bed\u8a00\u8fdb\u7a0b\u90fd\u62e5\u6709\u4e00\u7247\u7ed3\u6784\u76f8\u540c\u7684\u865a\u62df\u5185\u5b58\u6240\u6709\u7684\u865a\u62df\u5185\u5b58\u5e03\u5c40\u90fd\u662f\u76f8\u540c\u7684&#xff0c;\u6781\u5927\u5730\u65b9\u4fbf\u5185\u6838\u7ba1\u7406\u4e0d\u540c\u7684\u8fdb\u7a0b\u865a\u62df\u5185\u5b58&#xff1a;\u4ece\u5b9e\u9645\u7269\u7406\u5185\u5b58\u6620\u5c04\u51fa\u6765\u7684\u5730\u5740\u89c4\u8303\u8303\u56f4<br \/>\n\u5185\u5b58\u5e03\u5c40\u5185\u6838\u533a\u6bb5\u5bf9\u4e8e\u5e94\u7528\u7a0b\u5e8f\u800c\u8a00\u65e0\u6cd5\u8bbf\u95ee&#xff0c;\u7528\u4e8e\u5b58\u653e\u64cd\u4f5c\u7cfb\u7edf\u7684\u5173\u952e\u6027\u4ee3\u7801\u7531\u4e8e Linux \u7cfb\u7edf\u7684\u5386\u53f2\u6027\u539f\u56e0&#xff0c;\u5728\u865a\u62df\u5185\u5b58\u7684\u6700\u5e95\u7aef 0x000000000 ~ 0x08048000 \u4e4b\u95f4\u4e5f\u6709\u4e00\u6bb5\u4e0d\u53ef\u8bbf\u95ee\u533a\u6bb5\u5185\u5b58\u56db\u533a&#xff1a;\u6808\u3001\u5806\u3001\u4ee3\u7801\u6bb5\u3001\u6570\u636e\u6bb5<br \/>\n\u5185\u5b58\u5e03\u5c40 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