{"id":103,"date":"2024-12-10T15:00:27","date_gmt":"2024-12-10T07:00:27","guid":{"rendered":"http:\/\/trantor.ink:8080\/?p=103"},"modified":"2024-12-10T15:02:44","modified_gmt":"2024-12-10T07:02:44","slug":"cc-%e8%af%ad%e8%a8%80%e4%b8%ad%e7%9a%84%e5%a3%b0%e6%98%8e%e3%80%81%e5%ae%9a%e4%b9%89%e5%8f%8a%e5%ae%83%e4%bb%ac%e7%9a%84%e5%8c%ba%e5%88%abc","status":"publish","type":"post","link":"https:\/\/trantor.ink\/?p=103","title":{"rendered":"c \u8bed\u8a00\u4e2d\u7684\u58f0\u660e\u3001\u5b9a\u4e49\u53ca\u5b83\u4eec\u7684\u533a\u522b"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 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\" style=\"cursor:inherit\">Table of Contents<\/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-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/trantor.ink\/?p=103\/#1_%E5%A3%B0%E6%98%8E%EF%BC%88Declaration%EF%BC%89\" >1. \u58f0\u660e\uff08Declaration\uff09<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/trantor.ink\/?p=103\/#%E5%8F%98%E9%87%8F%E5%A3%B0%E6%98%8E\" >\u53d8\u91cf\u58f0\u660e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/trantor.ink\/?p=103\/#%E5%87%BD%E6%95%B0%E5%A3%B0%E6%98%8E\" >\u51fd\u6570\u58f0\u660e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/trantor.ink\/?p=103\/#%E7%B1%BB%E5%9E%8B%E5%A3%B0%E6%98%8E\" >\u7c7b\u578b\u58f0\u660e<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/trantor.ink\/?p=103\/#2_%E5%AE%9A%E4%B9%89%EF%BC%88Definition%EF%BC%89\" >2. \u5b9a\u4e49\uff08Definition\uff09<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/trantor.ink\/?p=103\/#%E5%8F%98%E9%87%8F%E5%AE%9A%E4%B9%89\" >\u53d8\u91cf\u5b9a\u4e49<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/trantor.ink\/?p=103\/#%E5%87%BD%E6%95%B0%E5%AE%9A%E4%B9%89\" >\u51fd\u6570\u5b9a\u4e49<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/trantor.ink\/?p=103\/#%E7%BB%93%E6%9E%84%E4%BD%93%E5%92%8C%E8%81%94%E5%90%88%E4%BD%93%E5%AE%9A%E4%B9%89\" >\u7ed3\u6784\u4f53\u548c\u8054\u5408\u4f53\u5b9a\u4e49<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/trantor.ink\/?p=103\/#3_%E5%A3%B0%E6%98%8E%E4%B8%8E%E5%AE%9A%E4%B9%89%E7%9A%84%E5%8C%BA%E5%88%AB\" >3. \u58f0\u660e\u4e0e\u5b9a\u4e49\u7684\u533a\u522b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/trantor.ink\/?p=103\/#4_%E4%BE%8B%E5%AD%90\" >4. \u4f8b\u5b50<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/trantor.ink\/?p=103\/#%E6%80%BB%E7%BB%93\" >\u603b\u7ed3<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">\u5728 C \u8bed\u8a00\u4e2d\uff0c<strong>\u58f0\u660e<\/strong>\uff08Declaration\uff09\u548c<strong>\u5b9a\u4e49<\/strong>\uff08Definition\uff09\u662f\u4e24\u4e2a\u975e\u5e38\u91cd\u8981\u4f46\u5bb9\u6613\u6df7\u6dc6\u7684\u6982\u5ff5\u3002\u5b83\u4eec\u5171\u540c\u4f5c\u7528\u4e8e\u53d8\u91cf\u3001\u51fd\u6570\u3001\u7c7b\u578b\u7b49\u5143\u7d20\u7684\u4f7f\u7528\uff0c\u4f46\u5b83\u4eec\u7684\u4f5c\u7528\u548c\u610f\u4e49\u6709\u6240\u4e0d\u540c\u3002\u7406\u89e3\u8fd9\u4e24\u8005\u7684\u533a\u522b\u5bf9\u4e8e\u7f16\u5199\u9ad8\u6548\u3001\u53ef\u7ef4\u62a4\u7684\u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_%E5%A3%B0%E6%98%8E%EF%BC%88Declaration%EF%BC%89\"><\/span>1. \u58f0\u660e\uff08Declaration\uff09<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u58f0\u660e<\/strong>\u662f\u544a\u8bc9\u7f16\u8bd1\u5668\u67d0\u4e2a\u53d8\u91cf\u3001\u51fd\u6570\u6216\u7c7b\u578b\u7684\u5b58\u5728\u4ee5\u53ca\u5b83\u7684\u5c5e\u6027\uff08\u5982\u7c7b\u578b\uff09\uff0c\u4f46\u5e76\u4e0d\u5206\u914d\u5b58\u50a8\u7a7a\u95f4\u6216\u63d0\u4f9b\u5b9e\u73b0\u7ec6\u8282\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8F%98%E9%87%8F%E5%A3%B0%E6%98%8E\"><\/span>\u53d8\u91cf\u58f0\u660e<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u53d8\u91cf\u58f0\u660e\u544a\u8bc9\u7f16\u8bd1\u5668\u53d8\u91cf\u7684\u7c7b\u578b\u548c\u540d\u79f0\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">extern int a;<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u91cc\uff0c<code>extern<\/code> \u5173\u952e\u5b57\u8868\u793a\u8fd9\u4e2a\u53d8\u91cf\u5728\u5176\u4ed6\u5730\u65b9\u5b9a\u4e49\uff0c\u5f53\u524d\u6587\u4ef6\u4ec5\u4ec5\u662f\u58f0\u660e\u5b83\u7684\u5b58\u5728\u3002<\/li>\n\n\n\n<li>\u7f16\u8bd1\u5668\u4f1a\u77e5\u9053 <code>a<\/code> \u662f\u4e00\u4e2a <code>int<\/code> \u7c7b\u578b\u7684\u53d8\u91cf\uff0c\u4f46\u5b83\u4e0d\u4f1a\u4e3a <code>a<\/code> \u5206\u914d\u5185\u5b58\uff0c\u56e0\u4e3a\u5b83\u671f\u5f85\u5728\u67d0\u4e2a\u5730\u65b9\u6709 <code>a<\/code> \u7684\u5b9a\u4e49\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%87%BD%E6%95%B0%E5%A3%B0%E6%98%8E\"><\/span>\u51fd\u6570\u58f0\u660e<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u51fd\u6570\u58f0\u660e\u544a\u8bc9\u7f16\u8bd1\u5668\u51fd\u6570\u7684\u540d\u79f0\u3001\u8fd4\u56de\u7c7b\u578b\u4ee5\u53ca\u53c2\u6570\u7c7b\u578b\uff0c\u4f46\u4e0d\u5305\u542b\u5177\u4f53\u7684\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">int add(int, int);<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u53ea\u662f\u4e00\u4e2a\u51fd\u6570\u7684\u58f0\u660e\uff0c\u8868\u793a <code>add<\/code> \u51fd\u6570\u5b58\u5728\uff0c\u5b83\u63a5\u53d7\u4e24\u4e2a <code>int<\/code> \u7c7b\u578b\u7684\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a <code>int<\/code> \u7c7b\u578b\u7684\u7ed3\u679c\u3002<\/li>\n\n\n\n<li>\u7f16\u8bd1\u5668\u5728\u94fe\u63a5\u9636\u6bb5\u4f1a\u67e5\u627e\u51fd\u6570\u7684\u5b9a\u4e49\uff08\u5373\u51fd\u6570\u4f53\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%B1%BB%E5%9E%8B%E5%A3%B0%E6%98%8E\"><\/span>\u7c7b\u578b\u58f0\u660e<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u7c7b\u578b\u58f0\u660e\u901a\u5e38\u901a\u8fc7 <code>typedef<\/code> \u5173\u952e\u5b57\u6765\u521b\u5efa\u7c7b\u578b\u522b\u540d\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">typedef unsigned long int ulong;<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u544a\u8bc9\u7f16\u8bd1\u5668 <code>ulong<\/code> \u662f <code>unsigned long int<\/code> \u7684\u522b\u540d\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_%E5%AE%9A%E4%B9%89%EF%BC%88Definition%EF%BC%89\"><\/span>2. \u5b9a\u4e49\uff08Definition\uff09<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5b9a\u4e49<\/strong>\u4e0d\u4ec5\u4ec5\u662f\u544a\u8bc9\u7f16\u8bd1\u5668\u67d0\u4e2a\u5143\u7d20\u7684\u5b58\u5728\uff0c\u8fd8\u5206\u914d\u5b58\u50a8\u7a7a\u95f4\u6216\u63d0\u4f9b\u5177\u4f53\u7684\u5b9e\u73b0\u7ec6\u8282\u3002\u5b9a\u4e49\u5305\u542b\u4e86\u7f16\u8bd1\u5668\u6267\u884c\u7a0b\u5e8f\u6240\u9700\u7684\u5168\u90e8\u4fe1\u606f\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8F%98%E9%87%8F%E5%AE%9A%E4%B9%89\"><\/span>\u53d8\u91cf\u5b9a\u4e49<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u53d8\u91cf\u5b9a\u4e49\u4e0d\u4ec5\u58f0\u660e\u4e86\u53d8\u91cf\uff0c\u8fd8\u5206\u914d\u4e86\u5b58\u50a8\u7a7a\u95f4\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">int a = 10;<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u4e0d\u4ec5\u58f0\u660e\u4e86 <code>a<\/code> \u662f\u4e00\u4e2a <code>int<\/code> \u7c7b\u578b\u7684\u53d8\u91cf\uff0c\u800c\u4e14\u5206\u914d\u4e86\u5b58\u50a8\u7a7a\u95f4\u5e76\u521d\u59cb\u5316\u4e3a <code>10<\/code>\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u4e00\u4e2a\u53d8\u91cf\u5728\u5168\u5c40\u6216\u5c40\u90e8\u8303\u56f4\u5185\u53ea\u88ab\u5b9a\u4e49\u4e00\u6b21\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%87%BD%E6%95%B0%E5%AE%9A%E4%B9%89\"><\/span>\u51fd\u6570\u5b9a\u4e49<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u51fd\u6570\u5b9a\u4e49\u4e0d\u4ec5\u58f0\u660e\u4e86\u51fd\u6570\u7684\u8fd4\u56de\u7c7b\u578b\u548c\u53c2\u6570\u7c7b\u578b\uff0c\u8fd8\u63d0\u4f9b\u4e86\u51fd\u6570\u7684\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">int add(int a, int b) {\n    return a + b;\n}<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u4e0d\u4ec5\u58f0\u660e\u4e86 <code>add<\/code> \u51fd\u6570\u7684\u63a5\u53e3\uff0c\u8fd8\u63d0\u4f9b\u4e86\u5177\u4f53\u7684\u5b9e\u73b0\u7ec6\u8282\u3002<\/li>\n\n\n\n<li>\u7f16\u8bd1\u5668\u9700\u8981\u51fd\u6570\u5b9a\u4e49\u6765\u751f\u6210\u53ef\u6267\u884c\u4ee3\u7801\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%BB%93%E6%9E%84%E4%BD%93%E5%92%8C%E8%81%94%E5%90%88%E4%BD%93%E5%AE%9A%E4%B9%89\"><\/span>\u7ed3\u6784\u4f53\u548c\u8054\u5408\u4f53\u5b9a\u4e49<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ed3\u6784\u4f53\u548c\u8054\u5408\u4f53\u5b9a\u4e49\u4e0d\u4ec5\u58f0\u660e\u4e86\u5b83\u4eec\u7684\u6210\u5458\uff0c\u8fd8\u5206\u914d\u4e86\u5b58\u50a8\u7a7a\u95f4\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">struct Point {\n    int x;\n    int y;\n};<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u4e0d\u4ec5\u58f0\u660e\u4e86 <code>Point<\/code> \u7ed3\u6784\u4f53\uff0c\u8fd8\u5b9a\u4e49\u4e86\u5b83\u7684\u5b58\u50a8\u5e03\u5c40\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_%E5%A3%B0%E6%98%8E%E4%B8%8E%E5%AE%9A%E4%B9%89%E7%9A%84%E5%8C%BA%E5%88%AB\"><\/span>3. \u58f0\u660e\u4e0e\u5b9a\u4e49\u7684\u533a\u522b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b58\u50a8\u7a7a\u95f4<\/strong>\uff1a\u58f0\u660e\u4e0d\u4f1a\u5206\u914d\u5b58\u50a8\u7a7a\u95f4\uff0c\u5b9a\u4e49\u5219\u4f1a\u3002\u5bf9\u4e8e\u53d8\u91cf\uff0c\u5b9a\u4e49\u5206\u914d\u5b9e\u9645\u7684\u5185\u5b58\u7a7a\u95f4\uff1b\u5bf9\u4e8e\u51fd\u6570\uff0c\u5b9a\u4e49\u63d0\u4f9b\u4e86\u5b9e\u9645\u7684\u4ee3\u7801\u5b9e\u73b0\u3002<\/li>\n\n\n\n<li><strong>\u6570\u91cf<\/strong>\uff1a\u58f0\u660e\u53ef\u4ee5\u51fa\u73b0\u591a\u6b21\uff08\u901a\u5e38\u5728\u4e0d\u540c\u7684\u6587\u4ef6\u4e2d\uff09\uff0c\u4f46\u5b9a\u4e49\u901a\u5e38\u53ea\u80fd\u51fa\u73b0\u4e00\u6b21\u3002\u591a\u6b21\u5b9a\u4e49\u4f1a\u5bfc\u81f4\u94fe\u63a5\u9519\u8bef\u3002<\/li>\n\n\n\n<li><strong>\u94fe\u63a5\u6027<\/strong>\uff1a\u58f0\u660e\u901a\u5e38\u7528\u4e8e\u8de8\u6587\u4ef6\u7684\u8bbf\u95ee\uff0c\u800c\u5b9a\u4e49\u5219\u662f\u5b9e\u73b0\u7684\u5177\u4f53\u7ec6\u8282\u3002\u901a\u8fc7\u5728\u5934\u6587\u4ef6\u4e2d\u58f0\u660e\uff08\u4e0d\u5b9a\u4e49\uff09\u5168\u5c40\u53d8\u91cf\u548c\u51fd\u6570\uff0c\u5176\u4ed6\u6587\u4ef6\u53ef\u4ee5\u8bbf\u95ee\u5b83\u4eec\uff0c\u800c\u5b9a\u4e49\u5219\u653e\u5728\u4e00\u4e2a\u5355\u72ec\u7684\u6e90\u6587\u4ef6\u4e2d\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_%E4%BE%8B%E5%AD%90\"><\/span>4. \u4f8b\u5b50<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\u6709\u4e24\u4e2a\u6587\u4ef6 <code>file1.c<\/code> \u548c <code>file2.c<\/code>\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>file1.c:<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include \"header.h\"\n\nint a = 10;  \/\/ \u53d8\u91cf\u5b9a\u4e49\nint add(int x, int y) {  \/\/ \u51fd\u6570\u5b9a\u4e49\n    return x + y;\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>header.h:<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">extern int a;  \/\/ \u53d8\u91cf\u58f0\u660e\nint add(int, int);  \/\/ \u51fd\u6570\u58f0\u660e<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>file2.c:<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include \"header.h\"\n\nvoid printSum() {\n    printf(\"%dn\", add(a, 20));\n}<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>header.h<\/code> \u6587\u4ef6\u4e2d\u5305\u542b\u4e86 <code>a<\/code> \u53d8\u91cf\u548c <code>add<\/code> \u51fd\u6570\u7684\u58f0\u660e\uff0c\u4f7f\u5f97 <code>file2.c<\/code> \u53ef\u4ee5\u8bbf\u95ee\u5b83\u4eec\u3002<\/li>\n\n\n\n<li>\u4f46\u771f\u6b63\u7684\u5b9a\u4e49\u5728 <code>file1.c<\/code> \u4e2d\uff0c\u56e0\u6b64\u7f16\u8bd1\u5668\u4f1a\u5c06 <code>file2.c<\/code> \u4e2d\u7684\u8c03\u7528\u94fe\u63a5\u5230 <code>file1.c<\/code> \u4e2d\u7684\u5b9a\u4e49\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%80%BB%E7%BB%93\"><\/span>\u603b\u7ed3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u58f0\u660e<\/strong> \u662f\u544a\u8bc9\u7f16\u8bd1\u5668\u67d0\u4e2a\u53d8\u91cf\u3001\u51fd\u6570\u6216\u7c7b\u578b\u7684\u5b58\u5728\u4ee5\u53ca\u5b83\u4eec\u7684\u5c5e\u6027\uff0c\u4f46\u4e0d\u5206\u914d\u5b58\u50a8\u7a7a\u95f4\u6216\u63d0\u4f9b\u5b9e\u73b0\u3002<\/li>\n\n\n\n<li><strong>\u5b9a\u4e49<\/strong> \u5219\u5305\u542b\u4e86\u58f0\u660e\u7684\u5168\u90e8\u4fe1\u606f\uff0c\u5e76\u4e3a\u53d8\u91cf\u5206\u914d\u5185\u5b58\u6216\u63d0\u4f9b\u51fd\u6570\u7684\u5b9e\u73b0\u3002<\/li>\n\n\n\n<li>\u533a\u5206\u58f0\u660e\u548c\u5b9a\u4e49\u5bf9\u907f\u514d\u94fe\u63a5\u9519\u8bef\u3001\u4fdd\u6301\u4ee3\u7801\u6a21\u5757\u5316\u548c\u6613\u4e8e\u7ef4\u62a4\u81f3\u5173\u91cd\u8981\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 C \u8bed\u8a00\u4e2d\uff0c\u58f0\u660e\uff08Declaration\uff09\u548c\u5b9a\u4e49\uff08Definition\uff09\u662f\u4e24\u4e2a\u975e\u5e38\u91cd\u8981\u4f46\u5bb9\u6613\u6df7\u6dc6\u7684\u6982\u5ff5\u3002\u5b83\u4eec\u5171\u540c\u4f5c\u7528\u4e8e\u53d8\u91cf\u3001\u51fd\u6570\u3001\u7c7b\u578b\u7b49\u5143\u7d20\u7684\u4f7f\u7528\uff0c\u4f46\u5b83\u4eec\u7684\u4f5c\u7528\u548c\u610f\u4e49\u6709\u6240\u4e0d\u540c\u3002\u7406\u89e3\u8fd9\u4e24\u8005\u7684\u533a\u522b\u5bf9\u4e8e\u7f16\u5199\u9ad8\u6548\u3001\u53ef\u7ef4\u62a4\u7684\u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002 1. \u58f0\u660e\uff08Declaration\uff09 \u58f0\u660e\u662f\u544a\u8bc9\u7f16\u8bd1\u5668\u67d0\u4e2a\u53d8\u91cf\u3001\u51fd\u6570\u6216\u7c7b\u578b\u7684\u5b58\u5728\u4ee5\u53ca\u5b83\u7684\u5c5e\u6027\uff08\u5982\u7c7b\u578b\uff09\uff0c\u4f46\u5e76\u4e0d\u5206\u914d\u5b58\u50a8\u7a7a\u95f4\u6216\u63d0\u4f9b\u5b9e\u73b0\u7ec6\u8282\u3002 \u53d8\u91cf\u58f0\u660e \u53d8\u91cf\u58f0\u660e\u544a\u8bc9\u7f16\u8bd1\u5668\u53d8\u91cf\u7684\u7c7b\u578b\u548c\u540d\u79f0\u3002\u4f8b\u5982\uff1a \u51fd\u6570\u58f0\u660e \u51fd\u6570\u58f0\u660e\u544a\u8bc9\u7f16\u8bd1\u5668\u51fd\u6570\u7684\u540d\u79f0\u3001\u8fd4\u56de\u7c7b\u578b\u4ee5\u53ca\u53c2\u6570\u7c7b\u578b\uff0c\u4f46\u4e0d\u5305\u542b\u5177\u4f53\u7684\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a \u7c7b\u578b\u58f0\u660e \u7c7b\u578b\u58f0\u660e\u901a\u5e38\u901a\u8fc7 typedef \u5173\u952e\u5b57\u6765\u521b\u5efa\u7c7b\u578b\u522b\u540d\u3002\u4f8b\u5982\uff1a 2. \u5b9a\u4e49\uff08Definition\uff09 \u5b9a\u4e49\u4e0d\u4ec5\u4ec5\u662f\u544a\u8bc9\u7f16\u8bd1\u5668\u67d0\u4e2a\u5143\u7d20\u7684\u5b58\u5728\uff0c\u8fd8\u5206\u914d\u5b58\u50a8\u7a7a\u95f4\u6216\u63d0\u4f9b\u5177\u4f53\u7684\u5b9e\u73b0\u7ec6\u8282\u3002\u5b9a\u4e49\u5305\u542b\u4e86\u7f16\u8bd1\u5668\u6267\u884c\u7a0b\u5e8f\u6240\u9700\u7684\u5168\u90e8\u4fe1\u606f\u3002 \u53d8\u91cf\u5b9a\u4e49 \u53d8\u91cf\u5b9a\u4e49\u4e0d\u4ec5\u58f0\u660e\u4e86\u53d8\u91cf\uff0c\u8fd8\u5206\u914d\u4e86\u5b58\u50a8\u7a7a\u95f4\u3002\u4f8b\u5982\uff1a \u51fd\u6570\u5b9a\u4e49 \u51fd\u6570\u5b9a\u4e49\u4e0d\u4ec5\u58f0\u660e\u4e86\u51fd\u6570\u7684\u8fd4\u56de\u7c7b\u578b\u548c\u53c2\u6570\u7c7b\u578b\uff0c\u8fd8\u63d0\u4f9b\u4e86\u51fd\u6570\u7684\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a \u7ed3\u6784\u4f53\u548c\u8054\u5408\u4f53\u5b9a\u4e49 \u7ed3\u6784\u4f53\u548c\u8054\u5408\u4f53\u5b9a\u4e49\u4e0d\u4ec5\u58f0\u660e\u4e86\u5b83\u4eec\u7684\u6210\u5458\uff0c\u8fd8\u5206\u914d\u4e86\u5b58\u50a8\u7a7a\u95f4\u3002\u4f8b\u5982\uff1a 3. \u58f0\u660e\u4e0e\u5b9a\u4e49\u7684\u533a\u522b 4. \u4f8b\u5b50 \u5047\u8bbe\u6709\u4e24\u4e2a\u6587\u4ef6 file1.c \u548c file2.c\uff1a file1.c: header.h: file2.c: \u603b\u7ed3<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[16],"class_list":["post-103","post","type-post","status-publish","format-standard","hentry","category-dev","tag-c"],"_links":{"self":[{"href":"https:\/\/trantor.ink\/index.php?rest_route=\/wp\/v2\/posts\/103","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/trantor.ink\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/trantor.ink\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/trantor.ink\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/trantor.ink\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=103"}],"version-history":[{"count":2,"href":"https:\/\/trantor.ink\/index.php?rest_route=\/wp\/v2\/posts\/103\/revisions"}],"predecessor-version":[{"id":105,"href":"https:\/\/trantor.ink\/index.php?rest_route=\/wp\/v2\/posts\/103\/revisions\/105"}],"wp:attachment":[{"href":"https:\/\/trantor.ink\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/trantor.ink\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=103"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/trantor.ink\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}