{"id":263,"date":"2024-09-02T21:03:22","date_gmt":"2024-09-02T13:03:22","guid":{"rendered":"http:\/\/114.55.108.251\/?p=263"},"modified":"2024-09-03T20:50:13","modified_gmt":"2024-09-03T12:50:13","slug":"c%e8%af%ad%e8%a8%80main%e5%87%bd%e6%95%b0%e5%8f%82%e6%95%b0%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/guapicoding.com\/?p=263","title":{"rendered":"C\u8bed\u8a00main\u51fd\u6570\u53c2\u6570\u89e3\u6790"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/guapicoding.com\/wp-content\/uploads\/2024\/09\/1725281469585.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"631\" height=\"510\" data-original=\"https:\/\/guapicoding.com\/wp-content\/uploads\/2024\/09\/1725281469585.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-264\"  sizes=\"auto, (max-width: 631px) 100vw, 631px\" \/><\/div><\/figure>\n\n\n\n<p>\u793a\u4f8b\u7a0b\u5e8fmycp.c\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u5b9e\u73b0\u6587\u4ef6\u5185\u5bb9\u7684\u590d\u5236\u3002<\/p>\n\n\n\n<p>\u7ecf\u8fc7\u7f16\u8bd1\u540e\uff0c\u6267\u884c.\/mycp open.c open2.c\uff0c\u7a0b\u5e8f\u6267\u884c\u6210\u529f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/guapicoding.com\/wp-content\/uploads\/2024\/09\/1725282024920.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"585\" height=\"109\" data-original=\"https:\/\/guapicoding.com\/wp-content\/uploads\/2024\/09\/1725282024920.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-265\"  sizes=\"auto, (max-width: 585px) 100vw, 585px\" \/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u89e3\u6790<\/h2>\n\n\n\n<p><strong>main\u51fd\u6570\u53c2\u6570\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>argc<\/code>\uff0c\u5373argument count\uff0c\u8868\u793a\u4f20\u9012\u7ed9\u7a0b\u5e8f\u7684\u53c2\u6570\u4e2a\u6570\uff0c\u7a0b\u5e8f\u672c\u8eab\u7684\u540d\u5b57\u4e5f\u8ba1\u6570\u5728\u5185\u3002<\/li>\n\n\n\n<li><code>argv<\/code>\uff0c\u5373argument vector\uff0c\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u5305\u542b\u6240\u6709\u4f20\u9012\u7ed9\u7a0b\u5e8f\u7684\u53c2\u6570\u3002<code>argv[0]<\/code>\u662f\u7a0b\u5e8f\u7684\u540d\u5b57\uff0c<code>argv[1]<\/code> \u662f\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6267\u884c\u547d\u4ee4 <code>.\/mycp open.c open2.c<\/code> \u65f6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>argc = 3<\/code>\uff1a\u8868\u793a\u4e00\u5171\u4f20\u9012\u4e86\u4e09\u4e2a\u53c2\u6570\uff08\u7a0b\u5e8f\u540d\u3001<code>open.c<\/code> \u548c <code>open2.c<\/code>\uff09<\/li>\n\n\n\n<li><code>argv[0] = <\/code>&#8220;<code>.\/mycp<\/code>&#8220;\uff1a\u7a0b\u5e8f\u7684\u540d\u5b57<\/li>\n\n\n\n<li><code>argv[1] = <\/code>&#8220;<code>open.c<\/code>&#8220;\uff1a\u7b2c\u4e00\u4e2a\u547d\u4ee4\u884c\u53c2\u6570<\/li>\n\n\n\n<li><code>argv[2] = <\/code>&#8220;<code>open2.c<\/code>&#8220;\uff1a\u7b2c\u4e8c\u4e2a\u547d\u4ee4\u884c\u53c2\u6570 <\/li>\n<\/ul>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u547d\u4ee4\u4e2d\uff0c\u76f4\u63a5\u7701\u7565\u4e86<code>argc<\/code>\u8fd9\u4e00\u53c2\u6570\uff0c\u4f46\u597d\u7684\u7f16\u7a0b\u4e60\u60ef\u9996\u5148\u8981\u68c0\u67e5 <code>argc<\/code> \u7684\u503c\uff0c\u4ee5\u786e\u4fdd\u7528\u6237\u63d0\u4f9b\u4e86\u6b63\u786e\u6570\u91cf\u7684\u53c2\u6570\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u793a\u4f8b\u7a0b\u5e8fmycp.c\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u5b9e\u73b0\u6587\u4ef6\u5185\u5bb9\u7684\u590d\u5236\u3002 \u7ecf\u8fc7\u7f16\u8bd1\u540e\uff0c\u6267\u884c.\/mycp open.c open2. 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