{"id":61024,"date":"2026-01-16T21:57:43","date_gmt":"2026-01-16T13:57:43","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/61024.html"},"modified":"2026-01-16T21:57:43","modified_gmt":"2026-01-16T13:57:43","slug":"%e3%80%90day7%e3%80%91c%e8%af%ad%e8%a8%80%e5%9f%ba%e7%a1%80%ef%bc%9a%e5%87%bd%e6%95%b0%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5%e7%b2%be%e8%ae%b2%e4%b8%8e%e4%ba%8c%e7%bb%b4%e5%ad%97%e7%ac%a6%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/61024.html","title":{"rendered":"\u3010DAY7\u3011C\u8bed\u8a00\u57fa\u7840\uff1a\u51fd\u6570\u57fa\u672c\u6982\u5ff5\u7cbe\u8bb2\u4e0e\u4e8c\u7ef4\u5b57\u7b26\u578b\u6570\u7ec4\uff01"},"content":{"rendered":"<h2>\u4e00\u3001\u4e8c\u7ef4\u5b57\u7b26\u578b\u6570\u7ec4<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260116135741-696a43d56000c.png\" \/><\/p>\n<h2>\u4e8c\u3001\u51fd\u6570\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260116135742-696a43d612887.png\" \/><\/p>\n<h3>1.\u51fd\u6570\u7684\u5f62\u5f0f<\/h3>\n<h4>1&gt;\u51fd\u6570\u7684\u5b9a\u4e49<\/h4>\n<p><span style=\"color:#511b78\"><span style=\"background-color:#fbd4d0\">\u51fd\u6570\u7c7b\u578b \u51fd\u6570\u540d(\u6570\u636e\u7c7b\u578b1 \u5f62\u53c21, \u6570\u636e\u7c7b\u578b2 \u5f62\u53c22, &#8230;)<\/span><br \/>\n<span style=\"background-color:#fbd4d0\">{<\/span><br \/>\n<span style=\"background-color:#fbd4d0\">\u8bed\u53e5\u5757;<\/span><br \/>\n<span style=\"background-color:#fbd4d0\">return \u8fd4\u56de\u503c;<\/span><br \/>\n<span style=\"background-color:#fbd4d0\">}<\/span><\/span><\/p>\n<p>\n\u51fd\u6570\u7c7b\u578b&#xff1a;\u51fd\u6570\u8fd0\u884c\u7ed3\u679c\u7684\u7c7b\u578b&#xff0c;\u5982\u679c\u7701\u7565\u4e0d\u5199\u9ed8\u8ba4\u4e3aint\u7c7b\u578b,\u53ef\u4ee5\u5199\u6210void\u8868\u793a\u6ca1\u6709\u8fd0\u884c<br \/>\n\u7ed3\u679c<\/p>\n<p>\n\u51fd\u6570\u540d&#xff1a;\u4e0e\u53d8\u91cf\u540d\u8981\u6c42\u4fdd\u6301\u4e00\u81f4<\/p>\n<p>\n\u5f62\u53c2&#xff1a;<span style=\"background-color:#fbd4d0\">\u5f62\u5f0f\u53c2\u6570&#xff0c;\u5c55\u793a\u5bf9\u6570\u636e\u7684\u64cd\u4f5c\u65b9\u6cd5<\/span><\/p>\n<p>\n\u8fd4\u56de\u503c&#xff1a;\u51fd\u6570\u7684\u7ed3\u679c&#xff0c;\u5982\u679c\u4e0e\u51fd\u6570\u7c7b\u578b\u4e0d\u4e00\u81f4&#xff0c;\u9700\u8981\u5c06\u8fd4\u56de\u503c<span style=\"background-color:#ffd7b9\">\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u4e3a\u51fd\u6570\u7c7b\u578b<\/span>\u8fd4\u56de<\/p>\n<h4>2&gt;\u51fd\u6570\u7684\u8c03\u7528<\/h4>\n<p>\u51fd\u6570\u540d&#xff08;\u5b9e\u9645\u53c2\u65701&#xff0c;\u5b9e\u9645\u53c2\u65702&#xff0c;&#8230;&#xff09;<\/p>\n<h4>3&gt;\u51fd\u6570\u7684\u58f0\u660e<\/h4>\n<p>\u5982\u679c\u88ab\u8c03\u51fd\u6570\u5728\u4e3b\u8c03\u51fd\u6570\u7684\u4e0b\u65b9\u5b9a\u4e49&#xff0c;\u5219\u9700\u8981\u5bf9\u88ab\u8c03\u51fd\u6570\u58f0\u660e<\/p>\n<h3>2.\u53d8\u91cf\u7684\u4f5c\u7528\u57df\u548c\u751f\u5b58\u5468\u671f<\/h3>\n<h4>1&gt;\u4f5c\u7528\u57df<\/h4>\n<p>1.\u4e00\u4e2a\u53d8\u91cf\u80fd\u591f\u4f7f\u7528\u7684\u8303\u56f4<\/p>\n<p>\n2.\u5c40\u90e8\u53d8\u91cf&#xff1a;\u53d8\u91cf\u4f5c\u7528\u57df\u5728\u5c40\u90e8\u8303\u56f4\u5185&#xff08;\u53ea\u80fd\u5728\u5b9a\u4e49\u53d8\u91cf\u6700\u8fd1\u7684\u5927\u62ec\u53f7\u5185\u4f7f\u7528&#xff09;&#xff0c;\u51fa\u4e86\u4f5c<br \/>\n\u7528\u57df\u65e0\u6cd5\u4f7f\u7528\u53d8\u91cf<\/p>\n<p>\n3.\u5168\u5c40\u53d8\u91cf&#xff1a;\u53d8\u91cf\u4f5c\u7528\u57df\u5728\u5168\u5c40\u8303\u56f4\u5185&#xff0c;\u6574\u4e2a\u4ee3\u7801\u4e2d\u4efb\u610f\u4f4d\u7f6e\u90fd\u53ef\u4ee5\u4f7f\u7528\u5168\u5c40\u53d8\u91cf<\/p>\n<p>\n4.\u5168\u5c40\u53d8\u91cf\u53ef\u4ee5\u548c\u5c40\u90e8\u53d8\u91cf\u91cd\u540d&#xff0c;\u5c40\u90e8\u8303\u56f4\u5185&#xff0c;\u5c40\u90e8\u53d8\u91cf\u4f1a\u5c06\u5168\u5c40\u53d8\u91cf\u9690\u85cf<\/p>\n<h4>2&gt;\u751f\u5b58\u5468\u671f<\/h4>\n<p>\u53d8\u91cf\u4ece\u88ab\u521b\u5efa\u5230\u88ab\u56de\u6536\u7684\u6574\u4e2a\u8fc7\u7a0b<\/p>\n<p>\u00a0<\/p>\n<p><span style=\"color:#511b78\"><span style=\"background-color:#fbd4d0\">\u53d8\u91cf\u7684\u5b9a\u4e49&#xff1a;\u5b58\u50a8\u7c7b\u578b\u00a0 \u00a0 \u00a0 \u00a0 \u6570\u636e\u7c7b\u578b\u00a0 \u00a0 \u00a0 \u00a0 \u53d8\u91cf\u540d&#xff1b;<\/span><\/span><\/p>\n<h4>3&gt;\u5b58\u50a8\u7c7b\u578b<\/h4>\n<p>C\u8bed\u8a00\u5185\u5b58\u5206\u5e03<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260116135742-696a43d69000b.png\" \/><\/p>\n<p>\u00a0<\/p>\n<p>1. auto \u81ea\u52a8\u578b\u53d8\u91cf\u3001\u5c40\u90e8\u53d8\u91cf&#xff08;\u9ed8\u8ba4\u5b58\u50a8\u7c7b\u578b&#xff09;<\/p>\n<p>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5c06\u53d8\u91cf\u5b58\u653e\u5728\u6808\u533a<br \/>\n\u7279\u70b9&#xff1a;<br \/>\n\u672a\u7ecf\u521d\u59cb\u5316\u503c\u4e3a\u968f\u673a\u503c<br \/>\n\u7a0b\u5e8f\u8fd0\u884c\u5230\u53d8\u91cf\u5b9a\u4e49\u65f6\u4e3a\u53d8\u91cf\u5f00\u8f9f\u7a7a\u95f4<br \/>\n\u7a0b\u5e8f\u8fd0\u884c\u8d85\u8fc7\u53d8\u91cf\u4f5c\u7528\u57df\u56de\u6536\u53d8\u91cf\u7a7a\u95f4<\/p>\n<p>\u00a0<\/p>\n<p>2. register \u5bc4\u5b58\u5668\u53d8\u91cf<\/p>\n<p>\n\u5c06\u53d8\u91cf\u5b58\u653e\u5728CPU\u5185\u90e8\u7684\u5bc4\u5b58\u5668\u4e2d&#xff0c;\u5bc4\u5b58\u5668\u5b58\u6ee1\u5219\u5b58\u653e\u5728\u6808\u533a\u7b49\u4ef7\u4e8eauto\u7c7b\u578b<\/p>\n<p>\n3. extern \u58f0\u660e\u5916\u90e8\u53d8\u91cf<\/p>\n<p>\n\u5f15\u7528\u4e00\u4e2a\u5916\u90e8\u5b9a\u4e49\u7684\u53d8\u91cf&#xff0c;\u9700\u8981\u5728\u5f53\u524d\u6587\u4ef6\u4e2d\u58f0\u660e\u8be5\u53d8\u91cf\u4e3a\u5916\u90e8\u5b58\u50a8\u7c7b\u578b<\/p>\n<p>\n4. static\u9759\u6001\u53d8\u91cf<\/p>\n<p>\n1&#xff09;\u5ef6\u957f\u53d8\u91cf\u751f\u5b58\u5468\u671f&#xff0c;\u5728\u7f16\u8bd1\u65f6\u5206\u914d\u7a7a\u95f4&#xff0c;\u4ee3\u7801\u8fd0\u884c\u7ed3\u675f\u56de\u6536\u7a7a\u95f4<br \/>\n2&#xff09;\u9650\u5b9a\u53d8\u91cf\u6216\u8005\u51fd\u6570\u53ea\u80fd\u5728\u672c\u6587\u4ef6\u4e2d\u4f7f\u7528<br \/>\n3&#xff09;\u9632\u6b62\u591a\u6587\u4ef6\u5168\u5c40\u53d8\u91cf\u91cd\u540d<\/p>\n<h2>\u4e09\u3001\u5e94\u7528&#xff08;\u57fa\u4e8elinux\u7cfb\u7edf\u5b9e\u73b0&#xff09;<\/h2>\n<p>1&#xff09;\u4ece\u7ec8\u7aef\u63a5\u6536\u4e24\u4e2a\u6570\u5b57&#xff0c;\u5b9a\u4e49\u51fd\u6570\u6bd4\u8f83\u4e24\u4e2a\u6570\u7684\u5927\u5c0f\u5e76\u8f93\u51fa\u5927\u7684\u6570&#xff0c;\u82e5\u76f8\u7b49\u5219\u8f93\u51fa\u8fd9\u4e2a\u6570\u3002<\/p>\n<p>#include&lt;stdio.h&gt;<br \/>\nint fun(int x, int y)<br \/>\n{<br \/>\n    if(x &gt; y)<br \/>\n    {<br \/>\n        return x;<br \/>\n    }<br \/>\n    else if(x &lt; y)<br \/>\n    {<br \/>\n        return y;<br \/>\n    }<br \/>\n    else<br \/>\n    {<br \/>\n        return x;<br \/>\n    }<br \/>\n}<\/p>\n<p>int main(void)<br \/>\n{<br \/>\n    int a &#061; 0;<br \/>\n    int b &#061; 0;<br \/>\n    int cmp &#061; 0;<\/p>\n<p>    printf(&#034;\u8bf7\u8f93\u5165\u4fe9\u4e2a\u6570&#xff1a;\\\\n&#034;);<br \/>\n    scanf(&#034;%d%d&#034;,&amp;a,&amp;b);<\/p>\n<p>    cmp &#061; fun(a,b);<\/p>\n<p>    printf(&#034;\u8f83\u5927\u503c\u6216\u7b49\u503c&#xff1a;%d\\\\n&#034;,cmp);<\/p>\n<p>    return 0;<br \/>\n}<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u4e8c\u7ef4\u5b57\u7b26\u578b\u6570\u7ec4\u4e8c\u3001\u51fd\u6570\u7684\u57fa\u672c\u6982\u5ff51.\u51fd\u6570\u7684\u5f62\u5f0f1&gt;\u51fd\u6570\u7684\u5b9a\u4e49\u51fd\u6570\u7c7b\u578b \u51fd\u6570\u540d(\u6570\u636e\u7c7b\u578b1 \u5f62\u53c21, \u6570\u636e\u7c7b\u578b2 \u5f62\u53c22, &#8230;)<br \/>\n{<br \/>\n\u8bed\u53e5\u5757;<br \/>\nreturn \u8fd4\u56de\u503c;<br \/>\n}\u51fd\u6570\u7c7b\u578b&#xff1a;\u51fd\u6570\u8fd0\u884c\u7ed3\u679c\u7684\u7c7b\u578b&#xff0c;\u5982\u679c\u7701\u7565\u4e0d\u5199\u9ed8\u8ba4\u4e3aint\u7c7b\u578b,\u53ef\u4ee5\u5199\u6210void\u8868\u793a\u6ca1\u6709\u8fd0\u884c<br \/>\n\u7ed3\u679c\u51fd\u6570\u540d&#xff1a;\u4e0e\u53d8\u91cf\u540d\u8981\u6c42\u4fdd\u6301\u4e00\u81f4\u5f62\u53c2&#xff1a;\u5f62\u5f0f\u53c2\u6570&#xff0c;\u5c55\u793a\u5bf9\u6570\u636e\u7684\u64cd\u4f5c\u65b9\u6cd5\u8fd4\u56de\u503c&#xff1a;\u51fd\u6570\u7684\u7ed3\u679c&#xff0c;\u5982\u679c\u4e0e\u51fd\u6570\u7c7b\u578b\u4e0d\u4e00\u81f4&amp;#xf<\/p>\n","protected":false},"author":2,"featured_media":61021,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[174,58,371,1813,427],"topic":[],"class_list":["post-61024","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-c","tag-linux","tag-371","tag-1813","tag-427"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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content=\"\u4e00\u3001\u4e8c\u7ef4\u5b57\u7b26\u578b\u6570\u7ec4\u4e8c\u3001\u51fd\u6570\u7684\u57fa\u672c\u6982\u5ff51.\u51fd\u6570\u7684\u5f62\u5f0f1&gt;\u51fd\u6570\u7684\u5b9a\u4e49\u51fd\u6570\u7c7b\u578b \u51fd\u6570\u540d(\u6570\u636e\u7c7b\u578b1 \u5f62\u53c21, \u6570\u636e\u7c7b\u578b2 \u5f62\u53c22, ...) { \u8bed\u53e5\u5757; return \u8fd4\u56de\u503c; }\u51fd\u6570\u7c7b\u578b&#xff1a;\u51fd\u6570\u8fd0\u884c\u7ed3\u679c\u7684\u7c7b\u578b&#xff0c;\u5982\u679c\u7701\u7565\u4e0d\u5199\u9ed8\u8ba4\u4e3aint\u7c7b\u578b,\u53ef\u4ee5\u5199\u6210void\u8868\u793a\u6ca1\u6709\u8fd0\u884c \u7ed3\u679c\u51fd\u6570\u540d&#xff1a;\u4e0e\u53d8\u91cf\u540d\u8981\u6c42\u4fdd\u6301\u4e00\u81f4\u5f62\u53c2&#xff1a;\u5f62\u5f0f\u53c2\u6570&#xff0c;\u5c55\u793a\u5bf9\u6570\u636e\u7684\u64cd\u4f5c\u65b9\u6cd5\u8fd4\u56de\u503c&#xff1a;\u51fd\u6570\u7684\u7ed3\u679c&#xff0c;\u5982\u679c\u4e0e\u51fd\u6570\u7c7b\u578b\u4e0d\u4e00\u81f4&amp;#xf\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/61024.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-16T13:57:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260116135741-696a43d56000c.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" 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