{"id":745,"date":"2026-09-20T17:57:30","date_gmt":"2026-09-20T09:57:30","guid":{"rendered":"https:\/\/cookie-qwq.xyz\/?p=745"},"modified":"2026-09-20T17:57:31","modified_gmt":"2026-09-20T09:57:31","slug":"c%e8%af%ad%e8%a8%80%e5%ad%97%e7%ac%a6%e4%b8%b2-%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%b8%b8%e8%a7%81%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/blog.cookie-qwq.xyz\/index.php\/2026\/09\/20\/c%e8%af%ad%e8%a8%80%e5%ad%97%e7%ac%a6%e4%b8%b2-%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%b8%b8%e8%a7%81%e5%87%bd%e6%95%b0\/","title":{"rendered":"C\u8bed\u8a00\u5b57\u7b26\u4e32-\u5b57\u7b26\u4e32\u5e38\u89c1\u51fd\u6570"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u7528\u4ee3\u7801\u4e3e\u4f8b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3001\u4f7f\u7528\u51fd\u6570\u4e4b\u524d\uff0c\u8981\u5bfc\u5165&lt;string.h>\u6587\u4ef6<\/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:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-369.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"368\" height=\"195\" data-original=\"https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-369.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-746\"  sizes=\"auto, (max-width: 368px) 100vw, 368px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9a\u4e49\u6211\u4eec\u7684\u6d4b\u8bd5\u5b57\u7b26\u4e32\uff1a<\/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:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-370.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"665\" height=\"36\" data-original=\"https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-370.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-747\"  sizes=\"auto, (max-width: 665px) 100vw, 665px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">char* str1 = 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lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-375.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"53\" height=\"30\" data-original=\"https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-375.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-752\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">3\u3001strcat\uff0c\u62fc\u63a5\u4e24\u4e2a\u5b57\u7b26\u4e32<\/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:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-376.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"690\" height=\"357\" data-original=\"https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-376.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-753\"  sizes=\"auto, (max-width: 690px) 100vw, 690px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uff081\uff09strcat\u7684\u7ec6\u8282<\/p>\n\n\n\n<p 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loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"281\" data-original=\"https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-377-1024x281.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-754\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u524d\u63d02\uff1a\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4e2d\u5269\u4f59\u7684\u7a7a\u95f4\u53ef\u4ee5\u5bb9\u7eb3\u62fc\u63a5\u7684\u5b57\u7b26\u4e32<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u8fd9\u91cc\u4f7f\u7528str3\uff0c\u628astr2\u7684\u5b57\u7b26\u4e32\u62fc\u63a5\u5230str3\u7684\u672b\u5c3e<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' 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