{"id":822,"date":"2026-01-26T22:46:49","date_gmt":"2026-01-26T14:46:49","guid":{"rendered":"https:\/\/www.ixriver.com\/?p=822"},"modified":"2026-01-26T22:46:49","modified_gmt":"2026-01-26T14:46:49","slug":"c%e7%a8%8b%e5%ba%8f%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"https:\/\/www.ai.ixriver.com\/?p=822","title":{"rendered":"C\u7a0b\u5e8f\u8bbe\u8ba1"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#C%E7%A8%8B%E5%BA%8F%E8%AE%BE%E8%AE%A1\" title=\"C\u7a0b\u5e8f\u8bbe\u8ba1\">C\u7a0b\u5e8f\u8bbe\u8ba1<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#%E7%9B%AE%E5%BD%95\" title=\"\u76ee\u5f55\">\u76ee\u5f55<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#%E7%AC%AC1%E7%AB%A0_%E6%95%B0%E7%9A%84%E8%A1%A8%E7%A4%BA%E4%B8%8E%E8%A1%A5%E7%A0%81\" title=\"\u7b2c1\u7ae0 \u6570\u7684\u8868\u793a\u4e0e\u8865\u7801\">\u7b2c1\u7ae0 \u6570\u7684\u8868\u793a\u4e0e\u8865\u7801<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#11_%E8%A1%A5%E7%A0%81%E8%A1%A8%E7%A4%BA%EF%BC%88%E4%BB%A54%E4%BD%8D%E8%AE%A1%E7%AE%97%E6%9C%BA%E4%B8%BA%E4%BE%8B%EF%BC%89\" title=\"1.1 \u8865\u7801\u8868\u793a\uff08\u4ee54\u4f4d\u8ba1\u7b97\u673a\u4e3a\u4f8b\uff09\">1.1 \u8865\u7801\u8868\u793a\uff08\u4ee54\u4f4d\u8ba1\u7b97\u673a\u4e3a\u4f8b\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#12_%E8%A1%A5%E7%A0%81%E5%8E%9F%E7%90%86\" title=\"1.2 \u8865\u7801\u539f\u7406\">1.2 \u8865\u7801\u539f\u7406<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#%E7%AC%AC2%E7%AB%A0_%E6%8C%87%E9%92%88%E5%92%8C%E6%95%B0%E7%BB%84\" title=\"\u7b2c2\u7ae0 \u6307\u9488\u548c\u6570\u7ec4\">\u7b2c2\u7ae0 \u6307\u9488\u548c\u6570\u7ec4<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#21_C%E8%AF%AD%E8%A8%80%E6%95%B0%E7%BB%84%E7%9A%84%E6%9C%AC%E8%B4%A8\" title=\"2.1 C\u8bed\u8a00\u6570\u7ec4\u7684\u672c\u8d28\">2.1 C\u8bed\u8a00\u6570\u7ec4\u7684\u672c\u8d28<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#%E7%AC%AC3%E7%AB%A0_%E9%A2%84%E5%A4%84%E7%90%86%E5%99%A8\" title=\"\u7b2c3\u7ae0 \u9884\u5904\u7406\u5668\">\u7b2c3\u7ae0 \u9884\u5904\u7406\u5668<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#31_%E9%A2%84%E5%A4%84%E7%90%86%E5%99%A8%E6%8C%87%E4%BB%A4\" title=\"3.1 \u9884\u5904\u7406\u5668\u6307\u4ee4\">3.1 \u9884\u5904\u7406\u5668\u6307\u4ee4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#32_%E5%86%85%E5%AD%98%E5%AF%B9%E9%BD%90%E8%A7%84%E5%88%99\" title=\"3.2 \u5185\u5b58\u5bf9\u9f50\u89c4\u5219\">3.2 \u5185\u5b58\u5bf9\u9f50\u89c4\u5219<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#321_%E9%BB%98%E8%AE%A4%E5%AF%B9%E9%BD%90%E8%A7%84%E5%88%99\" title=\"3.2.1 \u9ed8\u8ba4\u5bf9\u9f50\u89c4\u5219\">3.2.1 \u9ed8\u8ba4\u5bf9\u9f50\u89c4\u5219<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#322_pragma_packn_%E6%8C%87%E4%BB%A4\" title=\"3.2.2 #pragma pack(n) \u6307\u4ee4\">3.2.2 #pragma pack(n) \u6307\u4ee4<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#%E7%AC%AC4%E7%AB%A0_%E5%9F%BA%E7%A1%80%E7%89%B9%E6%80%A7\" title=\"\u7b2c4\u7ae0 \u57fa\u7840\u7279\u6027\">\u7b2c4\u7ae0 \u57fa\u7840\u7279\u6027<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#41_%E8%87%AA%E5%A2%9E%E8%87%AA%E5%87%8F%E8%BF%90%E7%AE%97%E7%AC%A6\" title=\"4.1 \u81ea\u589e\u81ea\u51cf\u8fd0\u7b97\u7b26\">4.1 \u81ea\u589e\u81ea\u51cf\u8fd0\u7b97\u7b26<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#411_i_%E5%92%8C_i_%E7%9A%84%E5%8C%BA%E5%88%AB\" title=\"4.1.1 i++ \u548c ++i \u7684\u533a\u522b\">4.1.1 i++ \u548c ++i \u7684\u533a\u522b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#42_%E5%AD%97%E7%AC%A6%E4%B8%B2%E5%87%BD%E6%95%B0\" title=\"4.2 \u5b57\u7b26\u4e32\u51fd\u6570\">4.2 \u5b57\u7b26\u4e32\u51fd\u6570<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#421_strcpy_%E5%92%8C_strlen\" title=\"4.2.1 strcpy \u548c strlen\">4.2.1 strcpy \u548c strlen<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#43_static_%E5%85%B3%E9%94%AE%E5%AD%97\" title=\"4.3 static \u5173\u952e\u5b57\">4.3 static \u5173\u952e\u5b57<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#431_static_%E5%8F%98%E9%87%8F\" title=\"4.3.1 static \u53d8\u91cf\">4.3.1 static \u53d8\u91cf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#432_static_%E5%87%BD%E6%95%B0\" title=\"4.3.2 static \u51fd\u6570\">4.3.2 static \u51fd\u6570<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#433_static_%E7%B1%BB%E6%88%90%E5%91%98%EF%BC%88C%EF%BC%89\" title=\"4.3.3 static \u7c7b\u6210\u5458\uff08C++\uff09\">4.3.3 static \u7c7b\u6210\u5458\uff08C++\uff09<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#44_%E8%BF%90%E7%AE%97%E7%AC%A6%E4%BC%98%E5%85%88%E7%BA%A7\" title=\"4.4 \u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7\">4.4 \u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#441_%E8%AF%8D%E6%B3%95%E8%A7%A3%E6%9E%90%EF%BC%88%E8%B4%AA%E5%BF%83%E6%B3%95%EF%BC%89\" title=\"4.4.1 \u8bcd\u6cd5\u89e3\u6790\uff08\u8d2a\u5fc3\u6cd5\uff09\">4.4.1 \u8bcd\u6cd5\u89e3\u6790\uff08\u8d2a\u5fc3\u6cd5\uff09<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#45_volatile_%E5%85%B3%E9%94%AE%E5%AD%97\" title=\"4.5 volatile \u5173\u952e\u5b57\">4.5 volatile \u5173\u952e\u5b57<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#46_const_%E5%85%B3%E9%94%AE%E5%AD%97\" title=\"4.6 const \u5173\u952e\u5b57\">4.6 const \u5173\u952e\u5b57<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#47_%E6%B5%AE%E7%82%B9%E6%95%B0%E6%AF%94%E8%BE%83\" title=\"4.7 \u6d6e\u70b9\u6570\u6bd4\u8f83\">4.7 \u6d6e\u70b9\u6570\u6bd4\u8f83<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#%E7%AC%AC5%E7%AB%A0_%E9%AB%98%E7%BA%A7%E7%89%B9%E6%80%A7\" title=\"\u7b2c5\u7ae0 \u9ad8\u7ea7\u7279\u6027\">\u7b2c5\u7ae0 \u9ad8\u7ea7\u7279\u6027<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#51_%E5%87%BD%E6%95%B0%E8%B0%83%E7%94%A8%E7%BA%A6%E5%AE%9A\" title=\"5.1 \u51fd\u6570\u8c03\u7528\u7ea6\u5b9a\">5.1 \u51fd\u6570\u8c03\u7528\u7ea6\u5b9a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#52_%E5%8F%AF%E5%8F%98%E5%8F%82%E6%95%B0%E5%88%97%E8%A1%A8\" title=\"5.2 \u53ef\u53d8\u53c2\u6570\u5217\u8868\">5.2 \u53ef\u53d8\u53c2\u6570\u5217\u8868<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#53_%E9%9D%99%E6%80%81%E9%93%BE%E6%8E%A5%E5%92%8C%E5%8A%A8%E6%80%81%E9%93%BE%E6%8E%A5\" title=\"5.3 \u9759\u6001\u94fe\u63a5\u548c\u52a8\u6001\u94fe\u63a5\">5.3 \u9759\u6001\u94fe\u63a5\u548c\u52a8\u6001\u94fe\u63a5<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#531_VC_CC_%E6%A0%87%E5%87%86%E5%BA%93\" title=\"5.3.1 VC C\/C++ \u6807\u51c6\u5e93\">5.3.1 VC C\/C++ \u6807\u51c6\u5e93<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#54_32%E4%BD%8D%E7%A8%8B%E5%BA%8F%E5%92%8C64%E4%BD%8D%E7%A8%8B%E5%BA%8F\" title=\"5.4 32\u4f4d\u7a0b\u5e8f\u548c64\u4f4d\u7a0b\u5e8f\">5.4 32\u4f4d\u7a0b\u5e8f\u548c64\u4f4d\u7a0b\u5e8f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#55_%E5%A4%A7%E7%AB%AF%E5%92%8C%E5%B0%8F%E7%AB%AF\" title=\"5.5 \u5927\u7aef\u548c\u5c0f\u7aef\">5.5 \u5927\u7aef\u548c\u5c0f\u7aef<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#56_%E5%A0%86%E5%92%8C%E6%A0%88%E7%9A%84%E5%8C%BA%E5%88%AB\" title=\"5.6 \u5806\u548c\u6808\u7684\u533a\u522b\">5.6 \u5806\u548c\u6808\u7684\u533a\u522b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#%E7%AC%AC6%E7%AB%A0_%E5%8F%AF%E6%89%A7%E8%A1%8C%E6%96%87%E4%BB%B6%E6%A0%BC%E5%BC%8F\" title=\"\u7b2c6\u7ae0 \u53ef\u6267\u884c\u6587\u4ef6\u683c\u5f0f\">\u7b2c6\u7ae0 \u53ef\u6267\u884c\u6587\u4ef6\u683c\u5f0f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#61_%E5%9F%BA%E6%9C%AC%E5%86%85%E5%AD%98%E5%B8%83%E5%B1%80\" title=\"6.1 \u57fa\u672c\u5185\u5b58\u5e03\u5c40\">6.1 \u57fa\u672c\u5185\u5b58\u5e03\u5c40<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#62_32%E4%BD%8D_Windows_%E8%BF%9B%E7%A8%8B%E8%99%9A%E6%8B%9F%E5%86%85%E5%AD%98%E7%A9%BA%E9%97%B4\" title=\"6.2 32\u4f4d Windows \u8fdb\u7a0b\u865a\u62df\u5185\u5b58\u7a7a\u95f4\">6.2 32\u4f4d Windows \u8fdb\u7a0b\u865a\u62df\u5185\u5b58\u7a7a\u95f4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#63_64%E4%BD%8D_Windows_%E8%BF%9B%E7%A8%8B%E8%99%9A%E6%8B%9F%E5%86%85%E5%AD%98%E7%A9%BA%E9%97%B4\" title=\"6.3 64\u4f4d Windows \u8fdb\u7a0b\u865a\u62df\u5185\u5b58\u7a7a\u95f4\">6.3 64\u4f4d Windows \u8fdb\u7a0b\u865a\u62df\u5185\u5b58\u7a7a\u95f4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#64_PE_%E6%96%87%E4%BB%B6%E6%A0%BC%E5%BC%8F\" title=\"6.4 PE \u6587\u4ef6\u683c\u5f0f\">6.4 PE \u6587\u4ef6\u683c\u5f0f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#65_%E9%9D%99%E6%80%81%E9%93%BE%E6%8E%A5%E6%B5%81%E7%A8%8B\" title=\"6.5 \u9759\u6001\u94fe\u63a5\u6d41\u7a0b\">6.5 \u9759\u6001\u94fe\u63a5\u6d41\u7a0b<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#651_%E9%93%BE%E6%8E%A5%E5%89%8D%E7%BD%AE%E6%9D%A1%E4%BB%B6%E8%AF%B4%E6%98%8E\" title=\"6.5.1 \u94fe\u63a5\u524d\u7f6e\u6761\u4ef6\u8bf4\u660e\">6.5.1 \u94fe\u63a5\u524d\u7f6e\u6761\u4ef6\u8bf4\u660e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#652_%E9%93%BE%E6%8E%A5%E6%B5%81%E7%A8%8B\" title=\"6.5.2 \u94fe\u63a5\u6d41\u7a0b\">6.5.2 \u94fe\u63a5\u6d41\u7a0b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#66_%E5%8A%A8%E6%80%81%E9%93%BE%E6%8E%A5%E6%B5%81%E7%A8%8B\" title=\"6.6 \u52a8\u6001\u94fe\u63a5\u6d41\u7a0b\">6.6 \u52a8\u6001\u94fe\u63a5\u6d41\u7a0b<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-44\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#661_%E9%93%BE%E6%8E%A5%E5%89%8D%E7%BD%AE%E6%9D%A1%E4%BB%B6\" title=\"6.6.1 \u94fe\u63a5\u524d\u7f6e\u6761\u4ef6\">6.6.1 \u94fe\u63a5\u524d\u7f6e\u6761\u4ef6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-45\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#662_%E5%A4%96%E9%83%A8%E5%8F%98%E9%87%8F%E8%AE%BF%E9%97%AE%E6%B5%81%E7%A8%8B\" title=\"6.6.2 \u5916\u90e8\u53d8\u91cf\u8bbf\u95ee\u6d41\u7a0b\">6.6.2 \u5916\u90e8\u53d8\u91cf\u8bbf\u95ee\u6d41\u7a0b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-46\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#663_%E5%A4%96%E9%83%A8%E5%87%BD%E6%95%B0%E8%AE%BF%E9%97%AE%E6%B5%81%E7%A8%8B\" title=\"6.6.3 \u5916\u90e8\u51fd\u6570\u8bbf\u95ee\u6d41\u7a0b\">6.6.3 \u5916\u90e8\u51fd\u6570\u8bbf\u95ee\u6d41\u7a0b<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-47\" href=\"https:\/\/www.ai.ixriver.com\/?p=822\/#%E6%80%BB%E7%BB%93\" title=\"\u603b\u7ed3\">\u603b\u7ed3<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"C%E7%A8%8B%E5%BA%8F%E8%AE%BE%E8%AE%A1\"><\/span>C\u7a0b\u5e8f\u8bbe\u8ba1<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"%E7%9B%AE%E5%BD%95\"><\/span>\u76ee\u5f55<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"#\u7b2c1\u7ae0-\u6570\u7684\u8868\u793a\u4e0e\u8865\u7801\">\u7b2c1\u7ae0 \u6570\u7684\u8868\u793a\u4e0e\u8865\u7801<\/a><\/li>\n<li><a href=\"#\u7b2c2\u7ae0-\u6307\u9488\u548c\u6570\u7ec4\">\u7b2c2\u7ae0 \u6307\u9488\u548c\u6570\u7ec4<\/a><\/li>\n<li><a href=\"#\u7b2c3\u7ae0-\u9884\u5904\u7406\u5668\">\u7b2c3\u7ae0 \u9884\u5904\u7406\u5668<\/a><\/li>\n<li><a href=\"#\u7b2c4\u7ae0-\u57fa\u7840\u7279\u6027\">\u7b2c4\u7ae0 \u57fa\u7840\u7279\u6027<\/a><\/li>\n<li><a href=\"#\u7b2c5\u7ae0-\u9ad8\u7ea7\u7279\u6027\">\u7b2c5\u7ae0 \u9ad8\u7ea7\u7279\u6027<\/a><\/li>\n<li><a href=\"#\u7b2c6\u7ae0-\u53ef\u6267\u884c\u6587\u4ef6\u683c\u5f0f\">\u7b2c6\u7ae0 \u53ef\u6267\u884c\u6587\u4ef6\u683c\u5f0f<\/a><\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"%E7%AC%AC1%E7%AB%A0_%E6%95%B0%E7%9A%84%E8%A1%A8%E7%A4%BA%E4%B8%8E%E8%A1%A5%E7%A0%81\"><\/span>\u7b2c1\u7ae0 \u6570\u7684\u8868\u793a\u4e0e\u8865\u7801<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"11_%E8%A1%A5%E7%A0%81%E8%A1%A8%E7%A4%BA%EF%BC%88%E4%BB%A54%E4%BD%8D%E8%AE%A1%E7%AE%97%E6%9C%BA%E4%B8%BA%E4%BE%8B%EF%BC%89\"><\/span>1.1 \u8865\u7801\u8868\u793a\uff08\u4ee54\u4f4d\u8ba1\u7b97\u673a\u4e3a\u4f8b\uff09<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5728\u8ba1\u7b97\u673a\u4e2d\uff0c\u8d1f\u6570\u91c7\u7528\u8865\u7801\u8868\u793a\u3002\u8865\u7801\u7684\u8ba1\u7b97\u89c4\u5219\u4e3a\uff1a<strong>\u8865\u7801 = \u53cd\u7801 + 1<\/strong><\/p>\n<p><strong>\u793a\u4f8b\uff1a\u8ba1\u7b97 -3 \u7684\u8865\u7801\u8868\u793a<\/strong><\/p>\n<ul>\n<li>3 \u7684\u4e8c\u8fdb\u5236\u8868\u793a\u4e3a\uff1a<code>0011<\/code><\/li>\n<li>-3 \u7684\u53cd\u7801\u4e3a\uff1a<code>1100<\/code>\uff08\u6309\u4f4d\u53d6\u53cd\uff09<\/li>\n<li>-3 \u7684\u8865\u7801\u4e3a\uff1a<code>1101<\/code>\uff08\u53cd\u7801 + 1\uff09<\/li>\n<\/ul>\n<p><strong>\u8865\u7801\u8fd0\u7b97\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre><code>5 - 3 = 5 + (-3) = 5 + (16 - 3) = 5 + 13\n<\/code><\/pre>\n<p>\u57284\u4f4d\u7cfb\u7edf\u4e2d\uff1a<br \/>\n&#8211; 5 \u7684\u4e8c\u8fdb\u5236\uff1a<code>0101<\/code><br \/>\n&#8211; -3 \u7684\u8865\u7801\uff08\u537313\u7684\u4e8c\u8fdb\u5236\uff09\uff1a<code>1101<\/code><br \/>\n&#8211; \u7ed3\u679c\uff1a<code>0101 + 1101 = 10010<\/code>\uff08\u6ea2\u51fa\u540e\u4e3a <code>0010<\/code>\uff0c\u53732\uff09<\/p>\n<h3><span class=\"ez-toc-section\" id=\"12_%E8%A1%A5%E7%A0%81%E5%8E%9F%E7%90%86\"><\/span>1.2 \u8865\u7801\u539f\u7406<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u4e3a\u4ec0\u4e48\u8d1f\u6570\u8981\u7528\u8865\u7801\u8868\u793a\uff1f<\/strong><\/p>\n<p>\u4f7f\u7528\u8865\u7801\u53ef\u4ee5\u5c06\u51cf\u6cd5\u8fd0\u7b97\u8f6c\u6362\u4e3a\u52a0\u6cd5\u8fd0\u7b97\uff0c\u7b80\u5316CPU\u7684\u786c\u4ef6\u8bbe\u8ba1\u3002\u8865\u7801\u8868\u793a\u6cd5\u4f7f\u5f97\u6b63\u6570\u548c\u8d1f\u6570\u7684\u52a0\u6cd5\u8fd0\u7b97\u53ef\u4ee5\u4f7f\u7528\u540c\u4e00\u5957\u52a0\u6cd5\u5668\u7535\u8def\u3002<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"%E7%AC%AC2%E7%AB%A0_%E6%8C%87%E9%92%88%E5%92%8C%E6%95%B0%E7%BB%84\"><\/span>\u7b2c2\u7ae0 \u6307\u9488\u548c\u6570\u7ec4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"21_C%E8%AF%AD%E8%A8%80%E6%95%B0%E7%BB%84%E7%9A%84%E6%9C%AC%E8%B4%A8\"><\/span>2.1 C\u8bed\u8a00\u6570\u7ec4\u7684\u672c\u8d28<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u91cd\u8981\u6982\u5ff5\uff1aC\u8bed\u8a00\u53ea\u6709\u4e00\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>\u591a\u7ef4\u6570\u7ec4\u5b9e\u9645\u4e0a\u662f\u6570\u7ec4\u7684\u6570\u7ec4\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-c\">int calendar[12][31];  \/\/ \u6570\u7ec4\u5927\u5c0f\u4e3a12\uff0c\u6bcf\u4e2a\u5143\u7d20\u662f\u4e00\u7ef4\u6570\u7ec4 int[31]\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u58f0\u660e\u8868\u793a\uff1a<br \/>\n&#8211; <code>calendar<\/code> \u662f\u4e00\u4e2a\u5305\u542b12\u4e2a\u5143\u7d20\u7684\u6570\u7ec4<br \/>\n&#8211; \u6bcf\u4e2a\u5143\u7d20\u662f\u4e00\u4e2a\u5305\u542b31\u4e2a\u6574\u6570\u7684\u6570\u7ec4<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"%E7%AC%AC3%E7%AB%A0_%E9%A2%84%E5%A4%84%E7%90%86%E5%99%A8\"><\/span>\u7b2c3\u7ae0 \u9884\u5904\u7406\u5668<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"31_%E9%A2%84%E5%A4%84%E7%90%86%E5%99%A8%E6%8C%87%E4%BB%A4\"><\/span>3.1 \u9884\u5904\u7406\u5668\u6307\u4ee4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<thead>\n<tr>\n<th>\u6307\u4ee4\/\u5b8f<\/th>\n<th>\u4f5c\u7528<\/th>\n<th>\u793a\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>#<\/code><\/td>\n<td>\u53c2\u6570\u6dfb\u52a0\u5f15\u53f7\uff08\u5b57\u7b26\u4e32\u5316\uff09<\/td>\n<td><code>#define STR(arg) #arg<\/code><br \/><code>STR(Hello)<\/code> \u2192 <code>\"Hello\"<\/code><br \/><code>STR(8)<\/code> \u2192 <code>\"8\"<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>##<\/code><\/td>\n<td>\u8fde\u63a5\u524d\u540e\u5185\u5bb9\uff08\u6807\u8bb0\u7c98\u8d34\uff09<\/td>\n<td><code>#define XNAME(x) x##n<\/code><br \/><code>XNAME(8)<\/code> \u2192 <code>8n<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>#error<\/code><\/td>\n<td>\u7f16\u8bd1\u9519\u8bef\uff0c\u505c\u6b62\u7f16\u8bd1<\/td>\n<td><code>#error \"Error message\"<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>#pragma comment(lib, \"libname\")<\/code><\/td>\n<td>\u9759\u6001\u94fe\u63a5\u5e93<\/td>\n<td><code>#pragma comment(lib, \"user32.lib\")<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>#pragma pack(n)<\/code><br \/><code>#pragma pack()<\/code><\/td>\n<td>\u6307\u5b9a\u5185\u5b58\u5b57\u8282\u5bf9\u9f50<\/td>\n<td><code>#pragma pack(1)<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>__TIME__<\/code><\/td>\n<td>\u7f16\u8bd1\u65f6\u95f4<\/td>\n<td>\u5b57\u7b26\u4e32\u5b57\u9762\u91cf<\/td>\n<\/tr>\n<tr>\n<td><code>__DATE__<\/code><\/td>\n<td>\u7f16\u8bd1\u65e5\u671f<\/td>\n<td>\u5b57\u7b26\u4e32\u5b57\u9762\u91cf<\/td>\n<\/tr>\n<tr>\n<td><code>__FILE__<\/code><\/td>\n<td>\u5f53\u524d\u6587\u4ef6\u540d<\/td>\n<td>\u5b57\u7b26\u4e32\u5b57\u9762\u91cf<\/td>\n<\/tr>\n<tr>\n<td><code>__LINE__<\/code><\/td>\n<td>\u5f53\u524d\u884c\u53f7<\/td>\n<td>\u6574\u6570\u5e38\u91cf<\/td>\n<\/tr>\n<tr>\n<td><code>__func__<\/code><\/td>\n<td>\u5f53\u524d\u51fd\u6570\u540d\uff08C11\u6807\u51c6\uff09<\/td>\n<td>\u5b57\u7b26\u4e32\u5b57\u9762\u91cf<\/td>\n<\/tr>\n<tr>\n<td><code>__FUNCTION__<\/code><\/td>\n<td>\u5f53\u524d\u51fd\u6570\u540d\uff08\u7f16\u8bd1\u5668\u6269\u5c55\uff09<\/td>\n<td>\u5b57\u7b26\u4e32\u5b57\u9762\u91cf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"32_%E5%86%85%E5%AD%98%E5%AF%B9%E9%BD%90%E8%A7%84%E5%88%99\"><\/span>3.2 \u5185\u5b58\u5bf9\u9f50\u89c4\u5219<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"321_%E9%BB%98%E8%AE%A4%E5%AF%B9%E9%BD%90%E8%A7%84%E5%88%99\"><\/span>3.2.1 \u9ed8\u8ba4\u5bf9\u9f50\u89c4\u5219<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ol>\n<li><strong>\u7b2c\u4e00\u4e2a\u6210\u5458\u7684\u9996\u5730\u5740\u4e3a0<\/strong><\/li>\n<li><strong>\u6bcf\u4e2a\u6210\u5458\u7684\u9996\u5730\u5740\u662f\u81ea\u8eab\u5927\u5c0f\u7684\u6574\u6570\u500d<\/strong><\/li>\n<li><strong>\u7ed3\u6784\u4f53\u6574\u4f53\u5bf9\u9f50<\/strong>\uff1a\u7ed3\u6784\u4f53\u7684\u5927\u5c0f\u5fc5\u987b\u662f\u6700\u5927\u6210\u5458\u5927\u5c0f\u7684\u6574\u6570\u500d<\/li>\n<\/ol>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre><code class=\"language-c\">struct S3 {\n    char a[18];   \/\/ \u9996\u5730\u5740\u4e3a0\uff0c\u7531\u4e8eb\u662f8\u5b57\u8282\u5bf9\u9f50\uff0c\u6240\u4ee5a\u5360\u7528\u5927\u5c0f\u4e3a24\n    double b;     \/\/ 8\u5b57\u8282\uff0c\u9996\u5730\u5740\u5fc5\u987b\u662f8\u7684\u500d\u6570\n    char c;       \/\/ 1\u5b57\u8282\n    int d;        \/\/ 4\u5b57\u8282\uff0cc\u548cd\u603b\u51718\u4e2a\u5b57\u8282\uff0c\u521a\u597d\u5bf9\u9f50\n    short e;      \/\/ 2\u5b57\u8282\uff0ce\u5360\u75284\u4e2a\u5b57\u8282\uff08\u5bf9\u9f50\u52304\u5b57\u8282\u8fb9\u754c\uff09\n};  \/\/ \u6574\u4e2a\u7ed3\u6784\u4f53\u9700\u89818\u5b57\u8282\u5bf9\u9f50\uff0c\u603b\u5927\u5c0f\u4e3a48\u5b57\u8282\n<\/code><\/pre>\n<p><strong>\u5185\u5b58\u5e03\u5c40\u5206\u6790\uff1a<\/strong><br \/>\n&#8211; <code>a[18]<\/code>: 0-17\uff0818\u5b57\u8282\uff09\uff0c\u4f46\u9700\u8981\u5bf9\u9f50\u52308\u5b57\u8282\u8fb9\u754c\uff0c\u5b9e\u9645\u5360\u75280-23\uff0824\u5b57\u8282\uff09<br \/>\n&#8211; <code>b<\/code>: 24-31\uff088\u5b57\u8282\uff09<br \/>\n&#8211; <code>c<\/code>: 32\uff081\u5b57\u8282\uff09<br \/>\n&#8211; <code>d<\/code>: 36-39\uff084\u5b57\u8282\uff0cc\u540e\u586b\u51453\u5b57\u8282\uff09<br \/>\n&#8211; <code>e<\/code>: 40-41\uff082\u5b57\u8282\uff09\uff0c\u540e\u586b\u51452\u5b57\u8282\u523044<br \/>\n&#8211; \u7ed3\u6784\u4f53\u603b\u5927\u5c0f\uff1a48\u5b57\u8282\uff088\u7684\u500d\u6570\uff09<\/p>\n<h4><span class=\"ez-toc-section\" id=\"322_pragma_packn_%E6%8C%87%E4%BB%A4\"><\/span>3.2.2 <code>#pragma pack(n)<\/code> \u6307\u4ee4<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u6bcf\u4e2a\u5e73\u53f0\u4e0a\u7684\u7f16\u8bd1\u5668\u90fd\u6709\u81ea\u5df1\u7684\u9ed8\u8ba4&#8221;\u5bf9\u9f50\u7cfb\u6570&#8221;\uff08\u5bf9\u9f50\u6a21\u6570\uff09\u3002\u7a0b\u5e8f\u5458\u53ef\u4ee5\u901a\u8fc7 <code>#pragma pack(n)<\/code> \u6765\u6539\u53d8\u8fd9\u4e00\u7cfb\u6570\uff0c\u5176\u4e2d <code>n<\/code> \u53ef\u4ee5\u662f 1\u30012\u30014\u30018\u300116\u3002<\/p>\n<p><strong>\u5bf9\u9f50\u89c4\u5219\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u6570\u636e\u6210\u5458\u5bf9\u9f50\u89c4\u5219<\/strong>\uff1a\u7ed3\u6784\u4f53\uff08\u6216\u8054\u5408\uff09\u7684\u6570\u636e\u6210\u5458\uff0c\u7b2c\u4e00\u4e2a\u6570\u636e\u6210\u5458\u653e\u5728 offset \u4e3a 0 \u7684\u5730\u65b9\uff0c\u4ee5\u540e\u6bcf\u4e2a\u6570\u636e\u6210\u5458\u7684\u5bf9\u9f50\u6309\u7167 <code>#pragma pack<\/code> \u6307\u5b9a\u7684\u6570\u503c\u548c\u8be5\u6570\u636e\u6210\u5458\u81ea\u8eab\u957f\u5ea6\u4e2d\uff0c<strong>\u8f83\u5c0f\u7684\u90a3\u4e2a<\/strong>\u8fdb\u884c\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6574\u4f53\u5bf9\u9f50\u89c4\u5219<\/strong>\uff1a\u5728\u6570\u636e\u6210\u5458\u5b8c\u6210\u5404\u81ea\u5bf9\u9f50\u4e4b\u540e\uff0c\u7ed3\u6784\u4f53\uff08\u6216\u8054\u5408\uff09\u672c\u8eab\u4e5f\u8981\u8fdb\u884c\u5bf9\u9f50\uff0c\u5bf9\u9f50\u5c06\u6309\u7167 <code>#pragma pack<\/code> \u6307\u5b9a\u7684\u6570\u503c\u548c\u7ed3\u6784\u4f53\uff08\u6216\u8054\u5408\uff09\u6700\u5927\u6570\u636e\u6210\u5458\u957f\u5ea6\u4e2d\uff0c<strong>\u8f83\u5c0f\u7684\u90a3\u4e2a<\/strong>\u8fdb\u884c\u3002<\/p>\n<\/li>\n<\/ol>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre><code class=\"language-c\">#pragma pack(1)  \/\/ \u8bbe\u7f6e\u4e3a1\u5b57\u8282\u5bf9\u9f50\nstruct S {\n    char a;      \/\/ 1\u5b57\u8282\n    int b;       \/\/ 4\u5b57\u8282\uff0c\u4f46\u63091\u5b57\u8282\u5bf9\u9f50\uff0c\u6240\u4ee5\u7d27\u8ddf\u5728a\u540e\u9762\n    double c;    \/\/ 8\u5b57\u8282\uff0c\u4f46\u63091\u5b57\u8282\u5bf9\u9f50\n};  \/\/ \u603b\u5927\u5c0f\uff1a1 + 4 + 8 = 13\u5b57\u8282\n#pragma pack()   \/\/ \u6062\u590d\u9ed8\u8ba4\u5bf9\u9f50\n<\/code><\/pre>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"%E7%AC%AC4%E7%AB%A0_%E5%9F%BA%E7%A1%80%E7%89%B9%E6%80%A7\"><\/span>\u7b2c4\u7ae0 \u57fa\u7840\u7279\u6027<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"41_%E8%87%AA%E5%A2%9E%E8%87%AA%E5%87%8F%E8%BF%90%E7%AE%97%E7%AC%A6\"><\/span>4.1 \u81ea\u589e\u81ea\u51cf\u8fd0\u7b97\u7b26<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"411_i_%E5%92%8C_i_%E7%9A%84%E5%8C%BA%E5%88%AB\"><\/span>4.1.1 <code>i++<\/code> \u548c <code>++i<\/code> \u7684\u533a\u522b<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<table>\n<thead>\n<tr>\n<th>\u7279\u6027<\/th>\n<th><code>i++<\/code>\uff08\u540e\u7f00\uff09<\/th>\n<th><code>++i<\/code>\uff08\u524d\u7f00\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u8fd4\u56de\u503c<\/td>\n<td>\u8fd4\u56de\u539f\u6765\u7684\u503c<\/td>\n<td>\u8fd4\u56de\u52a01\u540e\u7684\u503c<\/td>\n<\/tr>\n<tr>\n<td>\u5de6\u503c\u6027<\/td>\n<td>\u4e0d\u80fd\u4f5c\u4e3a\u5de6\u503c<\/td>\n<td>\u53ef\u4ee5\u4f5c\u4e3a\u5de6\u503c<\/td>\n<\/tr>\n<tr>\n<td>\u6548\u7387<\/td>\n<td>\u9700\u8981\u4e34\u65f6\u53d8\u91cf<\/td>\n<td>\u66f4\u9ad8\u6548<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>C++ \u4e2d\u7684\u5b9e\u73b0\u539f\u7406\uff1a<\/strong><\/p>\n<pre><code class=\"language-cpp\">\/\/ \u524d\u7f00\u5f62\u5f0f\uff1a\u8fd4\u56de\u5f15\u7528\uff0c\u53ef\u4ee5\u4f5c\u4e3a\u5de6\u503c\nint&amp; int::operator++() {\n    *this += 1;      \/\/ \u589e\u52a0\n    return *this;    \/\/ \u8fd4\u56de\u5f15\u7528\n}\n\n\/\/ \u540e\u7f00\u5f62\u5f0f\uff1a\u8fd4\u56de\u5e38\u91cf\u503c\uff0c\u4e0d\u80fd\u4f5c\u4e3a\u5de6\u503c\nconst int int::operator++(int) {\n    int oldValue = *this;  \/\/ \u4fdd\u5b58\u539f\u503c\n    ++(*this);             \/\/ \u589e\u52a0\n    return oldValue;       \/\/ \u8fd4\u56de\u539f\u503c\n}\n<\/code><\/pre>\n<h3><span class=\"ez-toc-section\" id=\"42_%E5%AD%97%E7%AC%A6%E4%B8%B2%E5%87%BD%E6%95%B0\"><\/span>4.2 \u5b57\u7b26\u4e32\u51fd\u6570<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"421_strcpy_%E5%92%8C_strlen\"><\/span>4.2.1 <code>strcpy<\/code> \u548c <code>strlen<\/code><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><strong>\u91cd\u8981\u6982\u5ff5\uff1a<\/strong><\/p>\n<ul>\n<li>C\u8bed\u8a00\u5b57\u7b26\u4e32\u4ee5 <code>'\\0'<\/code>\uff08\u7a7a\u5b57\u7b26\uff09\u7ed3\u5c3e<\/li>\n<li><code>strcpy<\/code> \u62f7\u8d1d\u65f6<strong>\u5305\u62ec<\/strong> <code>'\\0'<\/code><\/li>\n<li><code>strlen<\/code> \u8ba1\u7b97\u957f\u5ea6\u65f6<strong>\u4e0d\u5305\u62ec<\/strong> <code>'\\0'<\/code><\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre><code class=\"language-c\">char str[] = &quot;Hello&quot;;\nprintf(&quot;%zu\\n&quot;, strlen(str));  \/\/ \u8f93\u51fa\uff1a5\uff08\u4e0d\u5305\u62ec'\\0'\uff09\n\nchar dest[10];\nstrcpy(dest, str);  \/\/ \u62f7\u8d1d &quot;Hello\\0&quot;\uff0c\u51716\u4e2a\u5b57\u7b26\n<\/code><\/pre>\n<h3><span class=\"ez-toc-section\" id=\"43_static_%E5%85%B3%E9%94%AE%E5%AD%97\"><\/span>4.3 <code>static<\/code> \u5173\u952e\u5b57<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"431_static_%E5%8F%98%E9%87%8F\"><\/span>4.3.1 <code>static<\/code> \u53d8\u91cf<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li><strong><code>static<\/code> \u5168\u5c40\u53d8\u91cf<\/strong>\uff1a\u53ea\u5728\u5f53\u524d\u6587\u4ef6\u5185\u6709\u6548\uff0c\u5177\u6709\u5185\u90e8\u94fe\u63a5\u6027<\/li>\n<li><strong><code>static<\/code> \u5c40\u90e8\u53d8\u91cf<\/strong>\uff1a\u5728\u51fd\u6570\u5185\u6709\u6548\uff0c\u4f46\u751f\u547d\u5468\u671f\u5ef6\u957f\u5230\u7a0b\u5e8f\u7ed3\u675f\uff0c\u53ea\u521d\u59cb\u5316\u4e00\u6b21<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre><code class=\"language-c\">static int g_a = 10;  \/\/ g_a \u53ea\u5728\u5f53\u524d\u6587\u4ef6\u6709\u6548\n\nvoid func() {\n    static int count = 0;  \/\/ \u53ea\u521d\u59cb\u5316\u4e00\u6b21\uff0c\u51fd\u6570\u8c03\u7528\u95f4\u4fdd\u6301\u503c\n    count++;\n    printf(&quot;%d\\n&quot;, count);\n}\n<\/code><\/pre>\n<h4><span class=\"ez-toc-section\" id=\"432_static_%E5%87%BD%E6%95%B0\"><\/span>4.3.2 <code>static<\/code> \u51fd\u6570<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li><strong><code>static<\/code> \u51fd\u6570<\/strong>\uff1a\u53ea\u5728\u5f53\u524d\u6587\u4ef6\u5185\u6709\u6548\uff0c\u5177\u6709\u5185\u90e8\u94fe\u63a5\u6027<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre><code class=\"language-c\">static int add(int a, int b) {  \/\/ \u53ea\u80fd\u5728\u5f53\u524d\u6587\u4ef6\u4f7f\u7528\n    return a + b;\n}\n<\/code><\/pre>\n<h4><span class=\"ez-toc-section\" id=\"433_static_%E7%B1%BB%E6%88%90%E5%91%98%EF%BC%88C%EF%BC%89\"><\/span>4.3.3 <code>static<\/code> \u7c7b\u6210\u5458\uff08C++\uff09<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li><strong><code>static<\/code> \u7c7b\u6210\u5458\u53d8\u91cf<\/strong>\uff1a\u5728\u7c7b\u4e2d\u53ea\u662f\u58f0\u660e\uff0c\u5728\u7c7b\u5916\u5b9a\u4e49\u65f6\u5206\u914d\u5b58\u50a8\u7a7a\u95f4<\/li>\n<li><strong><code>static<\/code> \u7c7b\u6210\u5458\u51fd\u6570<\/strong>\uff1a<\/li>\n<li>\u6ca1\u6709 <code>this<\/code> \u6307\u9488<\/li>\n<li>\u4e0d\u80fd\u8bbf\u95ee\u975e\u9759\u6001\u6210\u5458\u53d8\u91cf<\/li>\n<li>\u53ef\u4ee5\u901a\u8fc7\u7c7b\u540d\u76f4\u63a5\u8c03\u7528<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"44_%E8%BF%90%E7%AE%97%E7%AC%A6%E4%BC%98%E5%85%88%E7%BA%A7\"><\/span>4.4 \u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u8bb0\u5fc6\u53e3\u8bc0\uff1a\u7b97\u79fb\u5173\u4f4d\u903b\u8d4b<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>\u7c7b\u578b<\/th>\n<th>\u8fd0\u7b97\u7b26<\/th>\n<th>\u7ed3\u5408\u6027<\/th>\n<th>\u4f18\u5148\u7ea7<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u524d\u8ff0\u8fd0\u7b97\u7b26<\/td>\n<td><code>()<\/code> <code>[]<\/code> <code>-&gt;<\/code> <code>.<\/code><\/td>\n<td>\u81ea\u5de6\u5411\u53f3<\/td>\n<td>0\uff08\u6700\u9ad8\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u5355\u76ee\u8fd0\u7b97\u7b26<\/td>\n<td><code>!<\/code> <code>~<\/code> <code>++<\/code> <code>--<\/code> <code>-<\/code> <code>*<\/code> <code>&amp;<\/code> <code>sizeof<\/code><\/td>\n<td>\u81ea\u53f3\u5411\u5de6<\/td>\n<td>1<\/td>\n<\/tr>\n<tr>\n<td>\u7b97\u672f\u8fd0\u7b97\u7b26<\/td>\n<td><code>*<\/code> <code>\/<\/code> <code>%<\/code><\/td>\n<td>\u81ea\u5de6\u5411\u53f3<\/td>\n<td>2<\/td>\n<\/tr>\n<tr>\n<td>\u7b97\u672f\u8fd0\u7b97\u7b26<\/td>\n<td><code>+<\/code> <code>-<\/code><\/td>\n<td>\u81ea\u5de6\u5411\u53f3<\/td>\n<td>3<\/td>\n<\/tr>\n<tr>\n<td>\u79fb\u4f4d\u8fd0\u7b97\u7b26<\/td>\n<td><code>&lt;&lt;<\/code> <code>&gt;&gt;<\/code><\/td>\n<td>\u81ea\u5de6\u5411\u53f3<\/td>\n<td>4<\/td>\n<\/tr>\n<tr>\n<td>\u5173\u7cfb\u8fd0\u7b97\u7b26<\/td>\n<td><code>&lt;<\/code> <code>&lt;=<\/code> <code>&gt;<\/code> <code>&gt;=<\/code><\/td>\n<td>\u81ea\u5de6\u5411\u53f3<\/td>\n<td>5<\/td>\n<\/tr>\n<tr>\n<td>\u5173\u7cfb\u8fd0\u7b97\u7b26<\/td>\n<td><code>==<\/code> <code>!=<\/code><\/td>\n<td>\u81ea\u5de6\u5411\u53f3<\/td>\n<td>6<\/td>\n<\/tr>\n<tr>\n<td>\u4f4d\u8fd0\u7b97\u7b26<\/td>\n<td><code>&amp;<\/code><\/td>\n<td>\u81ea\u5de6\u5411\u53f3<\/td>\n<td>7<\/td>\n<\/tr>\n<tr>\n<td>\u4f4d\u8fd0\u7b97\u7b26<\/td>\n<td><code>^<\/code><\/td>\n<td>\u81ea\u5de6\u5411\u53f3<\/td>\n<td>8<\/td>\n<\/tr>\n<tr>\n<td>\u4f4d\u8fd0\u7b97\u7b26<\/td>\n<td><code>\\|<\/code><\/td>\n<td>\u81ea\u5de6\u5411\u53f3<\/td>\n<td>9<\/td>\n<\/tr>\n<tr>\n<td>\u903b\u8f91\u8fd0\u7b97\u7b26<\/td>\n<td><code>&amp;&amp;<\/code><\/td>\n<td>\u81ea\u5de6\u5411\u53f3<\/td>\n<td>10<\/td>\n<\/tr>\n<tr>\n<td>\u903b\u8f91\u8fd0\u7b97\u7b26<\/td>\n<td><code>\\|\\|<\/code><\/td>\n<td>\u81ea\u5de6\u5411\u53f3<\/td>\n<td>11<\/td>\n<\/tr>\n<tr>\n<td>\u6761\u4ef6\u8fd0\u7b97\u7b26<\/td>\n<td><code>?:<\/code><\/td>\n<td>\u81ea\u53f3\u5411\u5de6<\/td>\n<td>12<\/td>\n<\/tr>\n<tr>\n<td>\u8d4b\u503c\u8fd0\u7b97\u7b26<\/td>\n<td><code>=<\/code> <code>+=<\/code> <code>-=<\/code> \u7b49<\/td>\n<td>\u81ea\u53f3\u5411\u5de6<\/td>\n<td>13<\/td>\n<\/tr>\n<tr>\n<td>\u9017\u53f7\u8fd0\u7b97\u7b26<\/td>\n<td><code>,<\/code><\/td>\n<td>\u81ea\u5de6\u5411\u53f3<\/td>\n<td>14\uff08\u6700\u4f4e\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><span class=\"ez-toc-section\" id=\"441_%E8%AF%8D%E6%B3%95%E8%A7%A3%E6%9E%90%EF%BC%88%E8%B4%AA%E5%BF%83%E6%B3%95%EF%BC%89\"><\/span>4.4.1 \u8bcd\u6cd5\u89e3\u6790\uff08\u8d2a\u5fc3\u6cd5\uff09<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>C\u8bed\u8a00\u7f16\u8bd1\u5668\u4f7f\u7528&#8221;\u8d2a\u5fc3\u6cd5&#8221;\u8fdb\u884c\u8bcd\u6cd5\u89e3\u6790\uff1a\u5c3d\u53ef\u80fd\u591a\u5730\u8bfb\u53d6\u5b57\u7b26\u7ec4\u6210\u4e00\u4e2a\u7b26\u53f7\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre><code class=\"language-c\">int a = 5;\nint b = 10;\nint c = a+++b;  \/\/ \u89e3\u6790\u4e3a a++ + b\uff0c\u7ed3\u679c\uff1aa=6, b=10, c=15\n<\/code><\/pre>\n<h3><span class=\"ez-toc-section\" id=\"45_volatile_%E5%85%B3%E9%94%AE%E5%AD%97\"><\/span>4.5 <code>volatile<\/code> \u5173\u952e\u5b57<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u4f5c\u7528\uff1a<\/strong> \u5f3a\u5236\u7f16\u8bd1\u5668\u6bcf\u6b21\u4ece\u5185\u5b58\u83b7\u53d6\u53d8\u91cf\u7684\u503c\uff0c\u9632\u6b62\u7f16\u8bd1\u5668\u4f18\u5316\u3002<\/p>\n<p><strong>\u4f7f\u7528\u573a\u666f\uff1a<\/strong><br \/>\n&#8211; \u786c\u4ef6\u5bc4\u5b58\u5668<br \/>\n&#8211; \u591a\u7ebf\u7a0b\u5171\u4eab\u53d8\u91cf<br \/>\n&#8211; \u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u4e2d\u7684\u53d8\u91cf<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre><code class=\"language-c\">volatile int flag = 0;  \/\/ \u6bcf\u6b21\u8bbf\u95ee\u90fd\u4ece\u5185\u5b58\u8bfb\u53d6\uff0c\u4e0d\u8fdb\u884c\u4f18\u5316\n<\/code><\/pre>\n<h3><span class=\"ez-toc-section\" id=\"46_const_%E5%85%B3%E9%94%AE%E5%AD%97\"><\/span>4.6 <code>const<\/code> \u5173\u952e\u5b57<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><code>const<\/code> \u7528\u4e8e\u58f0\u660e\u5e38\u91cf\uff0c\u4f46\u4f4d\u7f6e\u4e0d\u540c\uff0c\u542b\u4e49\u4e0d\u540c\uff1a<\/p>\n<pre><code class=\"language-c\">const char* p;      \/\/ p\u6307\u5411\u7684\u5185\u5bb9\u4e0d\u53ef\u4fee\u6539\uff08\u6307\u5411\u5e38\u91cf\u7684\u6307\u9488\uff09\nchar const* p;      \/\/ \u540c\u4e0a\uff0c\u7b49\u4ef7\u5199\u6cd5\nchar* const p;      \/\/ p\u6307\u9488\u672c\u8eab\u4e0d\u53ef\u4fee\u6539\uff08\u5e38\u91cf\u6307\u9488\uff09\nconst char* const p; \/\/ \u6307\u9488\u548c\u5185\u5bb9\u90fd\u4e0d\u53ef\u4fee\u6539\n<\/code><\/pre>\n<p><strong>\u8bb0\u5fc6\u65b9\u6cd5\uff1a<\/strong><br \/>\n&#8211; <code>const<\/code> \u5728 <code>*<\/code> \u5de6\u8fb9\uff1a\u6307\u5411\u7684\u5185\u5bb9\u662f\u5e38\u91cf<br \/>\n&#8211; <code>const<\/code> \u5728 <code>*<\/code> \u53f3\u8fb9\uff1a\u6307\u9488\u672c\u8eab\u662f\u5e38\u91cf<\/p>\n<h3><span class=\"ez-toc-section\" id=\"47_%E6%B5%AE%E7%82%B9%E6%95%B0%E6%AF%94%E8%BE%83\"><\/span>4.7 \u6d6e\u70b9\u6570\u6bd4\u8f83<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u7531\u4e8e\u6d6e\u70b9\u6570\u5728\u8ba1\u7b97\u673a\u4e2d\u7684\u8868\u793a\u5b58\u5728\u7cbe\u5ea6\u95ee\u9898\uff0c\u4e0d\u80fd\u76f4\u63a5\u4f7f\u7528 <code>==<\/code> \u8fdb\u884c\u6bd4\u8f83\u3002<\/p>\n<p><strong>\u6d6e\u70b9\u6570\u6bd4\u8f83\u5b8f\u5b9a\u4e49\uff1a<\/strong><\/p>\n<pre><code class=\"language-c\">#define eps 1e-9  \/\/ \u5b9a\u4e49\u7cbe\u5ea6\n\n\/\/ \u5927\u4e8e\u7b49\u4e8e (&gt;=)\n#define MoreEqu(a, b) (((a) - (b)) &gt; (-eps))\n\n\/\/ \u5927\u4e8e (&gt;)\n#define More(a, b) (((a) - (b)) &gt; (eps))\n\n\/\/ \u5c0f\u4e8e\u7b49\u4e8e (&lt;=)\n#define LessEqu(a, b) (((a) - (b)) &lt; (eps))\n\n\/\/ \u5c0f\u4e8e (&lt;)\n#define Less(a, b) (((a) - (b)) &lt; (-eps))\n\n\/\/ \u7b49\u4e8e (==)\n#define Equ(a, b) ((fabs((a) - (b))) &lt; (eps))\n<\/code><\/pre>\n<p><strong>\u4f7f\u7528\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre><code class=\"language-c\">double x = 0.1 + 0.2;\nif (Equ(x, 0.3)) {\n    printf(&quot;Equal\\n&quot;);\n}\n<\/code><\/pre>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"%E7%AC%AC5%E7%AB%A0_%E9%AB%98%E7%BA%A7%E7%89%B9%E6%80%A7\"><\/span>\u7b2c5\u7ae0 \u9ad8\u7ea7\u7279\u6027<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"51_%E5%87%BD%E6%95%B0%E8%B0%83%E7%94%A8%E7%BA%A6%E5%AE%9A\"><\/span>5.1 \u51fd\u6570\u8c03\u7528\u7ea6\u5b9a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><code>__cdecl<\/code>\u3001<code>__fastcall<\/code> \u4e0e <code>__stdcall<\/code> \u90fd\u662f\u8c03\u7528\u7ea6\u5b9a\uff08Calling convention\uff09\uff0c\u5b83\u51b3\u5b9a\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<ul>\n<li><strong>\u51fd\u6570\u53c2\u6570\u7684\u538b\u6808\u987a\u5e8f<\/strong><\/li>\n<li><strong>\u8c03\u7528\u8005\u8fd8\u662f\u88ab\u8c03\u7528\u8005\u8d1f\u8d23\u628a\u53c2\u6570\u5f39\u51fa\u6808<\/strong><\/li>\n<li><strong>\u4ea7\u751f\u51fd\u6570\u4fee\u9970\u540d\u7684\u65b9\u6cd5<\/strong><\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>\u8c03\u7528\u65b9\u5f0f<\/th>\n<th>\u53c2\u6570\u5165\u6808\u987a\u5e8f<\/th>\n<th>\u5e73\u8861\u5806\u6808<\/th>\n<th>\u7f3a\u70b9<\/th>\n<th>\u5907\u6ce8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>__cdecl<\/code><\/td>\n<td>\u81ea\u53f3\u5411\u5de6\u5165\u6808<\/td>\n<td>\u8c03\u7528\u8005\u6e05\u7406<\/td>\n<td>\u751f\u6210\u7684\u53ef\u6267\u884c\u6587\u4ef6\u8f83\u5927<\/td>\n<td>C\u548cC++\u9ed8\u8ba4\u8c03\u7528\u65b9\u5f0f<\/td>\n<\/tr>\n<tr>\n<td><code>__stdcall<\/code><\/td>\n<td>\u81ea\u53f3\u5411\u5de6\u5165\u6808<\/td>\n<td>\u88ab\u8c03\u7528\u8005\u6e05\u7406<\/td>\n<td>&#8211;<\/td>\n<td>Windows API\u9ed8\u8ba4\u8c03\u7528\u65b9\u5f0f<br \/>\u4e00\u822cWIN32\u7684\u51fd\u6570\u90fd\u662f<code>__stdcall<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>__fastcall<\/code><\/td>\n<td>\u524d\u4e24\u4e2a\u53c2\u6570\u901a\u8fc7 <code>ecx<\/code> \u548c <code>edx<\/code> \u5bc4\u5b58\u5668\u4f20\u9012\uff0c\u5269\u4e0b\u7684\u4ece\u53f3\u5411\u5de6<\/td>\n<td>\u88ab\u8c03\u7528\u8005\u6e05\u7406<\/td>\n<td>&#8211;<\/td>\n<td>\u6027\u80fd\u8f83\u597d<\/td>\n<\/tr>\n<tr>\n<td><code>__thiscall<\/code><\/td>\n<td>\u81ea\u53f3\u5411\u5de6\u538b\u6808<\/td>\n<td>\u88ab\u8c03\u7528\u8005\u6e05\u7406<\/td>\n<td>&#8211;<\/td>\n<td><code>this<\/code> \u6307\u9488\u5b58\u653e\u4e8e <code>ecx<\/code> \u5bc4\u5b58\u5668<br \/>\u7c7b\u6210\u5458\u51fd\u6570\u9ed8\u8ba4\u8c03\u7528\u65b9\u5f0f<br \/>\uff08GCC\u7528\u5806\u6808\u4fdd\u5b58this\uff0cVC\u7528ecx\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u7ebf\u7a0b\u51fd\u6570\u8c03\u7528\u7ea6\u5b9a\uff1a<\/strong><br \/>\n&#8211; <code>_beginthread<\/code> \u9700\u8981 <code>__cdecl<\/code> \u7684\u7ebf\u7a0b\u51fd\u6570\u5730\u5740<br \/>\n&#8211; <code>_beginthreadex<\/code> \u548c <code>CreateThread<\/code> \u9700\u8981 <code>__stdcall<\/code> \u7684\u7ebf\u7a0b\u51fd\u6570\u5730\u5740<\/p>\n<h3><span class=\"ez-toc-section\" id=\"52_%E5%8F%AF%E5%8F%98%E5%8F%82%E6%95%B0%E5%88%97%E8%A1%A8\"><\/span>5.2 \u53ef\u53d8\u53c2\u6570\u5217\u8868<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u7279\u70b9\uff1a<\/strong><br \/>\n&#8211; \u53ef\u53d8\u53c2\u6570\u9ed8\u8ba4\u4f7f\u7528 <code>__cdecl<\/code> \u8c03\u7528\u65b9\u5f0f<br \/>\n&#8211; \u4f7f\u7528 <code>va_list<\/code>\u3001<code>va_start<\/code>\u3001<code>va_arg<\/code>\u3001<code>va_end<\/code> \u5b8f\u5904\u7406<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre><code class=\"language-c\">#include &lt;stdarg.h&gt;\n\nint sum(int count, ...) {\n    va_list ap;\n    va_start(ap, count);\n    int total = 0;\n    for (int i = 0; i &lt; count; i++) {\n        total += va_arg(ap, int);\n    }\n    va_end(ap);\n    return total;\n}\n<\/code><\/pre>\n<h3><span class=\"ez-toc-section\" id=\"53_%E9%9D%99%E6%80%81%E9%93%BE%E6%8E%A5%E5%92%8C%E5%8A%A8%E6%80%81%E9%93%BE%E6%8E%A5\"><\/span>5.3 \u9759\u6001\u94fe\u63a5\u548c\u52a8\u6001\u94fe\u63a5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<thead>\n<tr>\n<th>\u7279\u6027<\/th>\n<th>\u9759\u6001\u94fe\u63a5<\/th>\n<th>\u52a8\u6001\u94fe\u63a5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u672c\u8d28<\/strong><\/td>\n<td><code>.o<\/code> \u6587\u4ef6\u7684\u96c6\u5408\uff0c\u7f16\u8bd1\u65f6\u94fe\u63a5<\/td>\n<td>\u8fd0\u884c\u65f6\u94fe\u63a5\uff0c\u88c5\u8f7d\u65f6\u8fdb\u884c\u5730\u5740\u91cd\u5b9a\u4f4d<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4f18\u70b9<\/strong><\/td>\n<td>1. \u4f9d\u8d56\u5c0f<br \/>2. \u8fd0\u884c\u901f\u5ea6\u5feb<\/td>\n<td>1. \u7a7a\u95f4\u5c0f<br \/>2. \u66f4\u65b0\u65b9\u4fbf<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7f3a\u70b9<\/strong><\/td>\n<td>1. \u7a7a\u95f4\u6d6a\u8d39<br \/>2. \u66f4\u65b0\u56f0\u96be<\/td>\n<td>1. \u6bcf\u6b21\u6267\u884c\u90fd\u9700\u8981\u94fe\u63a5<br \/>2. \u6027\u80fd\u635f\u5931\u7ea65%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><span class=\"ez-toc-section\" id=\"531_VC_CC_%E6%A0%87%E5%87%86%E5%BA%93\"><\/span>5.3.1 VC C\/C++ \u6807\u51c6\u5e93<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><strong>\u7f16\u8bd1\u9009\u9879\uff1a<\/strong><br \/>\n&#8211; <code>\/MT<\/code>\uff1amultithread, static version\uff08\u591a\u7ebf\u7a0b\u9759\u6001\u7248\u672c\uff09<br \/>\n&#8211; <code>\/MD<\/code>\uff1amultithread- and DLL-specific version\uff08\u591a\u7ebf\u7a0b\u52a8\u6001\u7248\u672c\uff09<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5e93\u7c7b\u578b<\/th>\n<th>\u540d\u79f0<\/th>\n<th>\u7c7b\u578b<\/th>\n<th>\u94fe\u63a5\u7c7b\u578b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>C\u8bed\u8a00\u8fd0\u884c\u5e93<\/td>\n<td><code>LIBCMTD.lib<\/code><\/td>\n<td>Debug<\/td>\n<td>\u9759\u6001\u94fe\u63a5<\/td>\n<\/tr>\n<tr>\n<td>C\u8bed\u8a00\u8fd0\u884c\u5e93<\/td>\n<td><code>LIBCMT.lib<\/code><\/td>\n<td>Release<\/td>\n<td>\u9759\u6001\u94fe\u63a5<\/td>\n<\/tr>\n<tr>\n<td>C\u8bed\u8a00\u8fd0\u884c\u5e93<\/td>\n<td><code>MSVCRTD.lib<\/code><\/td>\n<td>Debug<\/td>\n<td>\u52a8\u6001\u94fe\u63a5<\/td>\n<\/tr>\n<tr>\n<td>C\u8bed\u8a00\u8fd0\u884c\u5e93<\/td>\n<td><code>MSVCRT.lib<\/code><\/td>\n<td>Release<\/td>\n<td>\u52a8\u6001\u94fe\u63a5<\/td>\n<\/tr>\n<tr>\n<td>C++\u8bed\u8a00\u8fd0\u884c\u5e93<\/td>\n<td><code>LIBCPMTD.lib<\/code><\/td>\n<td>Debug<\/td>\n<td>\u9759\u6001\u94fe\u63a5<\/td>\n<\/tr>\n<tr>\n<td>C++\u8bed\u8a00\u8fd0\u884c\u5e93<\/td>\n<td><code>LIBCPMT.lib<\/code><\/td>\n<td>Release<\/td>\n<td>\u9759\u6001\u94fe\u63a5<\/td>\n<\/tr>\n<tr>\n<td>C++\u8bed\u8a00\u8fd0\u884c\u5e93<\/td>\n<td><code>MSVCPRTD.lib<\/code><\/td>\n<td>Debug<\/td>\n<td>\u52a8\u6001\u94fe\u63a5<\/td>\n<\/tr>\n<tr>\n<td>C++\u8bed\u8a00\u8fd0\u884c\u5e93<\/td>\n<td><code>MSVCPRT.lib<\/code><\/td>\n<td>Release<\/td>\n<td>\u52a8\u6001\u94fe\u63a5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"54_32%E4%BD%8D%E7%A8%8B%E5%BA%8F%E5%92%8C64%E4%BD%8D%E7%A8%8B%E5%BA%8F\"><\/span>5.4 32\u4f4d\u7a0b\u5e8f\u548c64\u4f4d\u7a0b\u5e8f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>32\u4f4d\u548c64\u4f4d\u7a0b\u5e8f\u7684\u533a\u522b\u4e3b\u8981\u4f53\u73b0\u5728\uff1a<br \/>\n&#8211; \u6307\u9488\u5927\u5c0f\uff1a32\u4f4d\u4e3a4\u5b57\u8282\uff0c64\u4f4d\u4e3a8\u5b57\u8282<br \/>\n&#8211; \u5730\u5740\u7a7a\u95f4\uff1a32\u4f4d\u4e3a4GB\uff0c64\u4f4d\u66f4\u5927<br \/>\n&#8211; \u5bc4\u5b58\u5668\uff1a64\u4f4d\u6709\u66f4\u591a\u901a\u7528\u5bc4\u5b58\u5668<br \/>\n&#8211; \u8c03\u7528\u7ea6\u5b9a\uff1a\u53ef\u80fd\u4e0d\u540c<\/p>\n<h3><span class=\"ez-toc-section\" id=\"55_%E5%A4%A7%E7%AB%AF%E5%92%8C%E5%B0%8F%E7%AB%AF\"><\/span>5.5 \u5927\u7aef\u548c\u5c0f\u7aef<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u5b57\u8282\u5e8f\uff08Endianness\uff09\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u5c0f\u7aef\uff08Little Endian\uff09<\/strong>\uff1a\u4f4e\u5b57\u8282\u5b58\u50a8\u5728\u4f4e\u5730\u5740\uff08\u4f4e\u4f4e\u9ad8\u9ad8\uff09<\/li>\n<li><strong>\u5927\u7aef\uff08Big Endian\uff09<\/strong>\uff1a\u9ad8\u5b57\u8282\u5b58\u50a8\u5728\u4f4e\u5730\u5740\uff08\u4f4e\u9ad8\u4f4e\u9ad8\uff09<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u57fa\u672c\u6240\u6709\u73b0\u4ee3\u64cd\u4f5c\u7cfb\u7edf\u90fd\u662f\u5c0f\u7aef\u5e8f\u3002<\/p>\n<p><img decoding=\"async\" alt=\"\u5b57\u8282\u5e8f\u793a\u610f\u56fe\" src=\"https:\/\/www.ixriver.com\/wp-content\/uploads\/2026\/01\/image_1.png\" \/><\/p>\n<p><strong>\u9a8c\u8bc1\u65b9\u6cd5\uff1a<\/strong><\/p>\n<pre><code class=\"language-c\">int x = 0x12345678;\nchar* p = (char*)&amp;x;\n\/\/ \u5c0f\u7aef\uff1ap[0] = 0x78, p[1] = 0x56, p[2] = 0x34, p[3] = 0x12\n\/\/ \u5927\u7aef\uff1ap[0] = 0x12, p[1] = 0x34, p[2] = 0x56, p[3] = 0x78\n<\/code><\/pre>\n<h3><span class=\"ez-toc-section\" id=\"56_%E5%A0%86%E5%92%8C%E6%A0%88%E7%9A%84%E5%8C%BA%E5%88%AB\"><\/span>5.6 \u5806\u548c\u6808\u7684\u533a\u522b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<thead>\n<tr>\n<th>\u7279\u6027<\/th>\n<th>\u6808\uff08Stack\uff09<\/th>\n<th>\u5806\uff08Heap\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u7533\u8bf7\u65b9\u5f0f<\/strong><\/td>\n<td>\u7cfb\u7edf\u81ea\u52a8\u5206\u914d\u548c\u56de\u6536<\/td>\n<td>\u624b\u5de5\u7533\u8bf7\u548c\u91ca\u653e\uff08<code>malloc<\/code>\/<code>free<\/code>\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6269\u5c55\u65b9\u5f0f<\/strong><\/td>\n<td>\u9ad8\u5730\u5740 \u2192 \u4f4e\u5730\u5740<\/td>\n<td>\u4f4e\u5730\u5740 \u2192 \u9ad8\u5730\u5740<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5927\u5c0f\u9650\u5236<\/strong><\/td>\n<td>\u901a\u5e38\u7ea62MB\uff08\u53ef\u914d\u7f6e\uff09<\/td>\n<td>\u865a\u62df\u5185\u5b58\u5927\u5c0f<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5206\u914d\u548c\u8bfb\u5199\u6548\u7387<\/strong><\/td>\n<td>\u9ad8<\/td>\n<td>\u6bd4\u6808\u4f4e<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5185\u5b58\u788e\u7247<\/strong><\/td>\n<td>\u65e0<\/td>\n<td>\u53ef\u80fd\u6709<\/td>\n<\/tr>\n<tr>\n<td><strong>\u751f\u547d\u5468\u671f<\/strong><\/td>\n<td>\u81ea\u52a8\u7ba1\u7406<\/td>\n<td>\u624b\u52a8\u7ba1\u7406<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"%E7%AC%AC6%E7%AB%A0_%E5%8F%AF%E6%89%A7%E8%A1%8C%E6%96%87%E4%BB%B6%E6%A0%BC%E5%BC%8F\"><\/span>\u7b2c6\u7ae0 \u53ef\u6267\u884c\u6587\u4ef6\u683c\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"61_%E5%9F%BA%E6%9C%AC%E5%86%85%E5%AD%98%E5%B8%83%E5%B1%80\"><\/span>6.1 \u57fa\u672c\u5185\u5b58\u5e03\u5c40<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u7a0b\u5e8f\u5728\u5185\u5b58\u4e2d\u7684\u5178\u578b\u5e03\u5c40\uff1a<\/p>\n<p><img decoding=\"async\" alt=\"\u57fa\u672c\u5185\u5b58\u5e03\u5c40\" src=\"https:\/\/www.ixriver.com\/wp-content\/uploads\/2026\/01\/image_2.png\" \/><\/p>\n<p><strong>\u5178\u578b\u5e03\u5c40\uff08\u4ece\u9ad8\u5730\u5740\u5230\u4f4e\u5730\u5740\uff09\uff1a<\/strong><br \/>\n&#8211; <strong>\u6808\uff08Stack\uff09<\/strong>\uff1a\u5c40\u90e8\u53d8\u91cf\u3001\u51fd\u6570\u53c2\u6570<br \/>\n&#8211; <strong>\u5806\uff08Heap\uff09<\/strong>\uff1a\u52a8\u6001\u5206\u914d\u7684\u5185\u5b58<br \/>\n&#8211; <strong>BSS\u6bb5<\/strong>\uff1a\u672a\u521d\u59cb\u5316\u7684\u5168\u5c40\u53d8\u91cf\u548c\u9759\u6001\u53d8\u91cf<br \/>\n&#8211; <strong>\u6570\u636e\u6bb5\uff08Data\uff09<\/strong>\uff1a\u5df2\u521d\u59cb\u5316\u7684\u5168\u5c40\u53d8\u91cf\u548c\u9759\u6001\u53d8\u91cf<br \/>\n&#8211; <strong>\u4ee3\u7801\u6bb5\uff08Text\uff09<\/strong>\uff1a\u7a0b\u5e8f\u4ee3\u7801<\/p>\n<h3><span class=\"ez-toc-section\" id=\"62_32%E4%BD%8D_Windows_%E8%BF%9B%E7%A8%8B%E8%99%9A%E6%8B%9F%E5%86%85%E5%AD%98%E7%A9%BA%E9%97%B4\"><\/span>6.2 32\u4f4d Windows \u8fdb\u7a0b\u865a\u62df\u5185\u5b58\u7a7a\u95f4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>32\u4f4d\u8fdb\u7a0b\u7684\u865a\u62df\u5730\u5740\u7a7a\u95f4\u5927\u5c0f\u4e3a 4GB\uff082^32\uff09\uff0c\u901a\u5e38\u5206\u4e3a\uff1a<br \/>\n&#8211; <strong>\u7528\u6237\u7a7a\u95f4<\/strong>\uff1a0x00000000 &#8211; 0x7FFFFFFF\uff082GB\uff09<br \/>\n&#8211; <strong>\u5185\u6838\u7a7a\u95f4<\/strong>\uff1a0x80000000 &#8211; 0xFFFFFFFF\uff082GB\uff09<\/p>\n<p><strong>\u9a8c\u8bc1\u65b9\u6cd5\uff1a<\/strong><\/p>\n<pre><code class=\"language-c\">#include &lt;windows.h&gt;\n\nSYSTEM_INFO sys_info;\nGetSystemInfo(&amp;sys_info);\n\/\/ \u53ef\u4ee5\u901a\u8fc7 sys_info \u83b7\u53d6\u7cfb\u7edf\u4fe1\u606f\n<\/code><\/pre>\n<p><img decoding=\"async\" alt=\"32\u4f4dWindows\u8fdb\u7a0b\u865a\u62df\u5185\u5b58\u7a7a\u95f4\" src=\"https:\/\/www.ixriver.com\/wp-content\/uploads\/2026\/01\/image_3.png\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"63_64%E4%BD%8D_Windows_%E8%BF%9B%E7%A8%8B%E8%99%9A%E6%8B%9F%E5%86%85%E5%AD%98%E7%A9%BA%E9%97%B4\"><\/span>6.3 64\u4f4d Windows \u8fdb\u7a0b\u865a\u62df\u5185\u5b58\u7a7a\u95f4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u7279\u70b9\uff1a<\/strong><br \/>\n&#8211; X64 CPU \u4ec5\u652f\u630164\u4f4d\u865a\u62df\u5730\u5740\u4e2d\u768448\u4f4d<br \/>\n&#8211; 48\u4f4d\u5730\u5740\u7a7a\u95f4\u7406\u8bba\u4e0a\u652f\u6301 256TB \u7684\u865a\u62df\u5185\u5b58\u7a7a\u95f4<br \/>\n&#8211; Windows \u505a\u4e86\u8fdb\u4e00\u6b65\u9650\u5236\uff0c\u53ea\u4f7f\u7528\u5176\u4e2d\u7684 16TB<\/p>\n<p><img decoding=\"async\" alt=\"64\u4f4dWindows\u8fdb\u7a0b\u865a\u62df\u5185\u5b58\u7a7a\u95f41\" src=\"https:\/\/www.ixriver.com\/wp-content\/uploads\/2026\/01\/image_4.png\" \/><\/p>\n<p><img decoding=\"async\" alt=\"64\u4f4dWindows\u8fdb\u7a0b\u865a\u62df\u5185\u5b58\u7a7a\u95f42\" src=\"https:\/\/www.ixriver.com\/wp-content\/uploads\/2026\/01\/image_5.png\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"64_PE_%E6%96%87%E4%BB%B6%E6%A0%BC%E5%BC%8F\"><\/span>6.4 PE \u6587\u4ef6\u683c\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>PE\uff08Portable Executable\uff09\u6587\u4ef6\u683c\u5f0f\uff1a<\/strong><br \/>\n&#8211; PE \u6587\u4ef6\u6e90\u4e8e Unix \u901a\u7528\u5bf9\u8c61\u6587\u4ef6\u683c\u5f0f COFF \u53d1\u5c55\u800c\u6765<br \/>\n&#8211; <strong>IAT\uff08Import Address Table\uff09<\/strong>\uff1a\u901a\u8fc7\u51fd\u6570\u540d\u83b7\u53d6\u51fd\u6570\u5730\u5740\uff0c\u5e76\u586b\u5165 IAT \u4e2d<br \/>\n&#8211; \u5305\u542b\u591a\u4e2a\u8282\uff08Section\uff09\uff1a<code>.text<\/code>\u3001<code>.data<\/code>\u3001<code>.rdata<\/code> \u7b49<\/p>\n<h3><span class=\"ez-toc-section\" id=\"65_%E9%9D%99%E6%80%81%E9%93%BE%E6%8E%A5%E6%B5%81%E7%A8%8B\"><\/span>6.5 \u9759\u6001\u94fe\u63a5\u6d41\u7a0b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"651_%E9%93%BE%E6%8E%A5%E5%89%8D%E7%BD%AE%E6%9D%A1%E4%BB%B6%E8%AF%B4%E6%98%8E\"><\/span>6.5.1 \u94fe\u63a5\u524d\u7f6e\u6761\u4ef6\u8bf4\u660e<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><strong>\u793a\u4f8b\uff1a\u4e24\u4e2a\u6a21\u5757\u7684\u94fe\u63a5<\/strong><\/p>\n<p><strong>a.c \u6587\u4ef6\uff08\u5f15\u7528\u5916\u90e8\u7b26\u53f7\uff09\uff1a<\/strong><\/p>\n<pre><code class=\"language-c\">\/\/ a.c \u6587\u4ef6\uff0c\u4e5f\u5c31\u662fa\u6a21\u5757\nextern int global_var;\nvoid func(int a);\n\nint main() {\n    int a = 100;\n    func(a + global_var);\n    return 0;\n}\n<\/code><\/pre>\n<p><strong>b.c \u6587\u4ef6\uff08\u63d0\u4f9b\u7b26\u53f7\uff09\uff1a<\/strong><\/p>\n<pre><code class=\"language-c\">\/\/ b.c \u6587\u4ef6\nint global_var = 1;\n\nvoid func(int a) {\n    global_var = a;\n}\n<\/code><\/pre>\n<p><strong>\u7f16\u8bd1\u548c\u94fe\u63a5\u547d\u4ee4\uff1a<\/strong><\/p>\n<pre><code class=\"language-bash\"># \u7f16\u8bd1\u548c\u6c47\u7f16\uff1a\u751f\u6210 a.o b.o\nxcrun -sdk iphoneos clang -c a.c b.c -target arm64-apple-ios12.2\n\n# \u94fe\u63a5\uff1aa.o \u548c b.o \u94fe\u63a5\u6210\u53ef\u6267\u884c\u6587\u4ef6 ab\nxcrun -sdk iphoneos clang a.o b.o -o ab -target arm64-apple-ios12.2\n<\/code><\/pre>\n<h4><span class=\"ez-toc-section\" id=\"652_%E9%93%BE%E6%8E%A5%E6%B5%81%E7%A8%8B\"><\/span>6.5.2 \u94fe\u63a5\u6d41\u7a0b<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u4f7f\u7528\u9759\u6001\u94fe\u63a5\u5668 <code>ld<\/code> \u8fdb\u884c\u94fe\u63a5\uff1a<\/p>\n<ol>\n<li><strong>\u76f8\u4f3c\u6bb5\u5408\u5e76<\/strong>\uff1a\u901a\u8fc7 <code>LC_SYMTAB<\/code> \u7b26\u53f7\u8868\u52a0\u8f7d\u547d\u4ee4\uff0c\u751f\u6210\u5168\u5c40\u7b26\u53f7\u8868<\/li>\n<\/ol>\n<p><img decoding=\"async\" alt=\"\u76f8\u4f3c\u6bb5\u5408\u5e76\" src=\"https:\/\/www.ixriver.com\/wp-content\/uploads\/2026\/01\/image_6.png\" \/><\/p>\n<ol>\n<li><strong>\u91cd\u5b9a\u4f4d<\/strong>\uff1a<code>LC_SEGMENT_64<\/code> \u52a0\u8f7d <code>__TEXT<\/code> \u6bb5\uff0c\u83b7\u53d6 <code>__TEXT<\/code> \u8282\u5934\u91cd\u5b9a\u4f4d\u8868\u7684\u504f\u79fb\uff0c\u4ece\u91cd\u5b9a\u4f4d\u8868\u627e\u51fa\u6a21\u5757\u5f15\u7528\u7684\u5916\u90e8\u7b26\u53f7\u540d\u79f0\u3001\u5730\u5740\u548c\u5927\u5c0f<\/li>\n<\/ol>\n<p><img decoding=\"async\" alt=\"\u91cd\u5b9a\u4f4d\u88681\" src=\"https:\/\/www.ixriver.com\/wp-content\/uploads\/2026\/01\/image_7.png\" \/><\/p>\n<p><img decoding=\"async\" alt=\"\u91cd\u5b9a\u4f4d\u88682\" src=\"https:\/\/www.ixriver.com\/wp-content\/uploads\/2026\/01\/image_8.png\" \/><\/p>\n<p><img decoding=\"async\" alt=\"\u91cd\u5b9a\u4f4d\u88683\" src=\"https:\/\/www.ixriver.com\/wp-content\/uploads\/2026\/01\/image_9.png\" \/><\/p>\n<ol>\n<li><strong>\u7b26\u53f7\u89e3\u6790<\/strong>\uff1a\u901a\u8fc7\u5168\u5c40\u7b26\u53f7\u8868\u67e5\u627e\u6a21\u5757\u5916\u90e8\u7b26\u53f7\u5bf9\u5e94\u7684\u5730\u5740\uff0c\u5b8c\u6210\u7b26\u53f7\u7684\u89e3\u6790\u548c\u91cd\u5b9a\u4f4d<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"66_%E5%8A%A8%E6%80%81%E9%93%BE%E6%8E%A5%E6%B5%81%E7%A8%8B\"><\/span>6.6 \u52a8\u6001\u94fe\u63a5\u6d41\u7a0b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u7279\u70b9\uff1a<\/strong><br \/>\n&#8211; \u4f7f\u7528\u52a8\u6001\u94fe\u63a5\u5668 <code>dyld<\/code><br \/>\n&#8211; <code>LC_LOAD_DYLINKER<\/code>\uff1a\u52a8\u6001\u94fe\u63a5\u5668\u52a0\u8f7d\u547d\u4ee4<br \/>\n&#8211; <code>LC_LOAD_DYLIB<\/code>\uff1a\u52a8\u6001\u5e93\u52a0\u8f7d\u547d\u4ee4<\/p>\n<h4><span class=\"ez-toc-section\" id=\"661_%E9%93%BE%E6%8E%A5%E5%89%8D%E7%BD%AE%E6%9D%A1%E4%BB%B6\"><\/span>6.6.1 \u94fe\u63a5\u524d\u7f6e\u6761\u4ef6<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><strong>print.c \u6587\u4ef6\uff08\u63d0\u4f9b\u7b26\u53f7\uff09\uff1a<\/strong><\/p>\n<pre><code class=\"language-c\">\/\/ print.c \u6587\u4ef6\n#include &lt;stdio.h&gt;\n\nchar *global_var = &quot;global_var&quot;;\n\nvoid print(char *str) {\n    printf(&quot;wkk:%s\\n&quot;, str);\n}\n<\/code><\/pre>\n<p><strong>main.c \u6587\u4ef6\uff08\u5f15\u7528\u5916\u90e8\u7b26\u53f7\uff09\uff1a<\/strong><\/p>\n<pre><code class=\"language-c\">\/\/ main.c \u6587\u4ef6\nvoid print(char *str);\nextern char *global_var;\n\nint main() {\n    print(global_var);\n    return 0;\n}\n<\/code><\/pre>\n<p><strong>\u7f16\u8bd1\u548c\u94fe\u63a5\u547d\u4ee4\uff1a<\/strong><\/p>\n<pre><code class=\"language-bash\"># 1. \u7f16\u8bd1 main.c\nxcrun -sdk iphoneos clang -c main.c -o main.o -target arm64-apple-ios12.2\n\n# 2. \u7f16\u8bd1 print.c \u6210\u52a8\u6001\u5e93 libPrint.dylib\nxcrun -sdk iphoneos clang -fPIC -shared print.c -o libPrint.dylib -target arm64-apple-ios12.2\n\n# 3. \u94fe\u63a5 main.o \u548c libPrint.dylib \u6210\u53ef\u6267\u884c\u6587\u4ef6 main\nxcrun -sdk iphoneos clang main.o -o main -L . -l Print -target arm64-apple-ios12.2\n<\/code><\/pre>\n<h4><span class=\"ez-toc-section\" id=\"662_%E5%A4%96%E9%83%A8%E5%8F%98%E9%87%8F%E8%AE%BF%E9%97%AE%E6%B5%81%E7%A8%8B\"><\/span>6.6.2 \u5916\u90e8\u53d8\u91cf\u8bbf\u95ee\u6d41\u7a0b<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u52a8\u6001\u94fe\u63a5\u65f6\uff0c\u5916\u90e8\u53d8\u91cf\u7684\u8bbf\u95ee\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li><code>LC_SEGMENT_64<\/code> \u52a0\u8f7d <code>__DATA<\/code> \u6bb5\uff0c\u4ece <code>got<\/code> \u8282\u5934\u83b7\u53d6\u95f4\u63a5\u7b26\u53f7\u8868\u7d22\u5f15<\/li>\n<\/ol>\n<p><img decoding=\"async\" alt=\"GOT\u8282\u5934\" src=\"https:\/\/www.ixriver.com\/wp-content\/uploads\/2026\/01\/image_10.png\" \/><\/p>\n<ol>\n<li><code>LC_DYSYMTAB<\/code> \u52a0\u8f7d\u95f4\u63a5\u7d22\u5f15\u8868\uff0c\u4ece\u95f4\u63a5\u7d22\u5f15\u8868\u627e\u5230 <code>global_var<\/code> \u5916\u90e8\u7b26\u53f7<\/li>\n<\/ol>\n<p><img decoding=\"async\" alt=\"\u95f4\u63a5\u7d22\u5f15\u8868\" src=\"https:\/\/www.ixriver.com\/wp-content\/uploads\/2026\/01\/image_11.png\" \/><\/p>\n<ol>\n<li><code>LC_SYMTAB<\/code> \u52a0\u8f7d\u7b26\u53f7\u8868\uff0c\u5e76\u627e\u51fa <code>global_var<\/code> \u5bf9\u5e94\u7684\u6a21\u5757<\/li>\n<\/ol>\n<p><img decoding=\"async\" alt=\"\u7b26\u53f7\u8868\" src=\"https:\/\/www.ixriver.com\/wp-content\/uploads\/2026\/01\/image_12.png\" \/><\/p>\n<ol>\n<li>\u4ece <code>libPrint.dylib<\/code> \u83b7\u53d6 <code>global_var<\/code> \u7684\u5730\u5740\uff0c\u5e76\u66f4\u65b0 <code>__DATA<\/code>\u3001<code>got<\/code> \u8282\u91cc\u9762\u7684 <code>global_var<\/code> \u5730\u5740<\/li>\n<\/ol>\n<h4><span class=\"ez-toc-section\" id=\"663_%E5%A4%96%E9%83%A8%E5%87%BD%E6%95%B0%E8%AE%BF%E9%97%AE%E6%B5%81%E7%A8%8B\"><\/span>6.6.3 \u5916\u90e8\u51fd\u6570\u8bbf\u95ee\u6d41\u7a0b<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u8c03\u7528 <code>dyld_stub_binder<\/code> \u6267\u884c\u4ee5\u4e0b\u6d41\u7a0b\uff1a<\/p>\n<ol>\n<li><code>LC_SEGMENT_64<\/code> \u52a0\u8f7d <code>__DATA<\/code> \u6bb5\uff0c\u4ece <code>__la_symbol_ptr<\/code> \u8282\u5934\u83b7\u53d6\u95f4\u63a5\u7b26\u53f7\u8868\u7d22\u5f15<\/li>\n<\/ol>\n<p><img decoding=\"async\" alt=\"LA\u7b26\u53f7\u6307\u9488\" src=\"https:\/\/www.ixriver.com\/wp-content\/uploads\/2026\/01\/image_13.png\" \/><\/p>\n<ol>\n<li><code>LC_DYSYMTAB<\/code> \u52a0\u8f7d\u95f4\u63a5\u7d22\u5f15\u8868\uff0c\u4ece\u95f4\u63a5\u7d22\u5f15\u8868\u627e\u5230 <code>_print<\/code> \u5916\u90e8\u7b26\u53f7<\/li>\n<\/ol>\n<p><img decoding=\"async\" alt=\"\u95f4\u63a5\u7d22\u5f15\u88682\" src=\"https:\/\/www.ixriver.com\/wp-content\/uploads\/2026\/01\/image_14.png\" \/><\/p>\n<ol>\n<li><code>LC_SYMTAB<\/code> \u52a0\u8f7d\u7b26\u53f7\u8868\uff0c\u5e76\u627e\u51fa <code>_print<\/code> \u5bf9\u5e94\u7684\u6a21\u5757<\/li>\n<\/ol>\n<p><img decoding=\"async\" alt=\"\u7b26\u53f7\u88682\" src=\"https:\/\/www.ixriver.com\/wp-content\/uploads\/2026\/01\/image_15.png\" \/><\/p>\n<ol>\n<li>\u66f4\u65b0 <code>__DATA<\/code>\u3001<code>_la_symbol_ptr<\/code> \u91cc\u9762\u7684\u7b26\u53f7\u5730\u5740<\/li>\n<\/ol>\n<p><img decoding=\"async\" alt=\"\u66f4\u65b0\u7b26\u53f7\u5730\u5740\" src=\"https:\/\/www.ixriver.com\/wp-content\/uploads\/2026\/01\/image_16.png\" \/><\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"%E6%80%BB%E7%BB%93\"><\/span>\u603b\u7ed3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u672c\u6587\u6863\u6db5\u76d6\u4e86C\u8bed\u8a00\u7a0b\u5e8f\u8bbe\u8ba1\u7684\u6838\u5fc3\u6982\u5ff5\uff0c\u5305\u62ec\uff1a<\/p>\n<ol>\n<li><strong>\u6570\u7684\u8868\u793a<\/strong>\uff1a\u8865\u7801\u539f\u7406\u548c\u8ba1\u7b97<\/li>\n<li><strong>\u6570\u7ec4\u548c\u6307\u9488<\/strong>\uff1aC\u8bed\u8a00\u6570\u7ec4\u7684\u672c\u8d28<\/li>\n<li><strong>\u9884\u5904\u7406\u5668<\/strong>\uff1a\u5b8f\u5b9a\u4e49\u3001\u5185\u5b58\u5bf9\u9f50<\/li>\n<li><strong>\u57fa\u7840\u7279\u6027<\/strong>\uff1a\u8fd0\u7b97\u7b26\u3001\u5173\u952e\u5b57\u3001\u5b57\u7b26\u4e32\u5904\u7406<\/li>\n<li><strong>\u9ad8\u7ea7\u7279\u6027<\/strong>\uff1a\u51fd\u6570\u8c03\u7528\u7ea6\u5b9a\u3001\u94fe\u63a5\u65b9\u5f0f\u3001\u5185\u5b58\u7ba1\u7406<\/li>\n<li><strong>\u53ef\u6267\u884c\u6587\u4ef6\u683c\u5f0f<\/strong>\uff1a\u5185\u5b58\u5e03\u5c40\u3001\u94fe\u63a5\u6d41\u7a0b<\/li>\n<\/ol>\n<p>\u8fd9\u4e9b\u77e5\u8bc6\u5bf9\u4e8e\u6df1\u5165\u7406\u89e3C\u8bed\u8a00\u548c\u7cfb\u7edf\u7f16\u7a0b\u81f3\u5173\u91cd\u8981\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u7a0b\u5e8f\u8bbe\u8ba1 \u76ee\u5f55 \u7b2c1\u7ae0 \u6570\u7684\u8868\u793a\u4e0e\u8865\u7801 \u7b2c2\u7ae0 \u6307\u9488\u548c\u6570\u7ec4 \u7b2c3\u7ae0 \u9884\u5904\u7406\u5668 \u7b2c4\u7ae0 \u57fa\u7840\u7279\u6027 \u7b2c5\u7ae0 \u9ad8\u7ea7 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"blocksy_meta":[],"featured_image_urls":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":""},"post_excerpt_stackable":"<p>\u76ee\u5f55 Toggle C\u7a0b\u5e8f\u8bbe\u8ba1\u76ee\u5f55\u7b2c1\u7ae0 \u6570\u7684\u8868\u793a\u4e0e\u8865\u78011.1 \u8865\u7801\u8868\u793a\uff08\u4ee54\u4f4d\u8ba1\u7b97\u673a\u4e3a\u4f8b\uff091.2 \u8865\u7801\u539f\u7406\u7b2c2\u7ae0 \u6307\u9488\u548c\u6570\u7ec42.1 C\u8bed\u8a00\u6570\u7ec4\u7684\u672c\u8d28\u7b2c3\u7ae0 \u9884\u5904\u7406\u56683.1 \u9884\u5904\u7406\u5668\u6307\u4ee43.2 \u5185\u5b58\u5bf9&hellip;<\/p>\n","category_list":"<a href=\"https:\/\/www.ai.ixriver.com\/?cat=2\" rel=\"category\">C++<\/a>","author_info":{"name":"admin","url":"https:\/\/www.ai.ixriver.com\/?author=1"},"comments_num":"0 comments","_links":{"self":[{"href":"https:\/\/www.ai.ixriver.com\/index.php?rest_route=\/wp\/v2\/posts\/822"}],"collection":[{"href":"https:\/\/www.ai.ixriver.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ai.ixriver.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ai.ixriver.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ai.ixriver.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=822"}],"version-history":[{"count":0,"href":"https:\/\/www.ai.ixriver.com\/index.php?rest_route=\/wp\/v2\/posts\/822\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.ai.ixriver.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ai.ixriver.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ai.ixriver.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}