{"id":732,"date":"2026-09-20T15:32:58","date_gmt":"2026-09-20T07:32:58","guid":{"rendered":"https:\/\/cookie-qwq.xyz\/?p=732"},"modified":"2026-09-20T15:33:00","modified_gmt":"2026-09-20T07:33:00","slug":"c%e8%af%ad%e8%a8%80%e5%ad%97%e7%ac%a6%e4%b8%b2-%e4%b8%a4%e7%a7%8d%e5%ae%9a%e4%b9%89%e6%a0%bc%e5%bc%8f","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-%e4%b8%a4%e7%a7%8d%e5%ae%9a%e4%b9%89%e6%a0%bc%e5%bc%8f\/","title":{"rendered":"C\u8bed\u8a00\u5b57\u7b26\u4e32-\u4e24\u79cd\u5b9a\u4e49\u683c\u5f0f"},"content":{"rendered":"\n

1\u3001\u7b2c\u4e00\u79cd\u5b9a\u4e49\u683c\u5f0f<\/mark><\/strong><\/p>\n\n\n\n

char str[4] = “abc”;<\/p>\n\n\n\n

\uff081\uff09\u7ec6\u82821\uff1a<\/mark><\/strong><\/p>\n\n\n\n

\u5728\u5e95\u5c42\uff0c\u5b9e\u9645\u5b58\u50a8\u6570\u636e\u7684\u65f6\u5019\uff0cC\u8bed\u8a00\u4f1a\u628a\u5b57\u7b26\u4e32\u201cabc\u201d\u8f6c\u6362\u6210\u5b57\u7b26\u6570\u7ec4\u8fdb\u884c\u4fdd\u5b58\uff0c\u5e76\u4e14\u5728\u672b\u5c3e\u8fd8\u8981\u52a0\u4e0a’\\0′<\/mark><\/strong><\/p>\n\n\n\n

\uff082\uff09\u7ec6\u82822\uff1a<\/mark><\/strong><\/p>\n\n\n\n

\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u8981\u4e48\u4e0d\u5199\uff0c\u4e0d\u5199C\u8bed\u8a00\u4f1a\u81ea\u5df1\u8fdb\u884c\u5224\u65ad<\/p>\n\n\n\n

\u5982\u679c\u5199\u4e86\uff0c\u8981\u7ed9\u7ed3\u675f\u6807\u8bb0\u7684\u7a7a\u95f4\u8fdb\u884c\u9884\u7559<\/mark><\/strong><\/p>\n\n\n\n

2\u3001\u7b2c\u4e8c\u79cd\u5b9a\u4e49\u683c\u5f0f<\/mark><\/strong><\/p>\n\n\n\n

char* str = “abc”;<\/p>\n\n\n\n

\uff081\uff09\u7ec6\u82821\uff1a<\/p>\n\n\n\n

\u5728\u5e95\u5c42\uff0c\u5b9e\u9645\u5b58\u50a8\u6570\u636e\u7684\u65f6\u5019\uff0cC\u8bed\u8a00\u4f1a\u628a\u5b57\u7b26\u4e32\u201cabc\u201d\u8f6c\u6362\u6210\u5b57\u7b26\u6570\u7ec4\u8fdb\u884c\u4fdd\u5b58\uff0c\u5e76\u4e14\u5728\u672b\u5c3e\u8fd8\u8981\u52a0\u4e0a’\\0′<\/mark><\/strong><\/p>\n\n\n\n

\uff082\uff09\u7ec6\u82822\uff1a<\/p>\n\n\n\n

\u5229\u7528\u6307\u9488+\u53cc\u5f15\u53f7\u7684\u65b9\u5f0f\u5b9a\u4e49\u5b57\u7b26\u4e32\uff0c\u4f1a\u628a\u5e95\u5c42\u7684\u5b57\u7b26\u6570\u7ec4\u653e\u5728\u53ea\u8bfb\u5e38\u91cf\u533a<\/mark><\/strong>\uff1b<\/p>\n\n\n\n

\u53ea\u8bfb\u5e38\u91cf\u533a\u7684\u7279\u70b9\uff1a<\/p>\n\n\n\n

\u2460\u3001\u5185\u5bb9\u4e0d\u53ef\u4ee5\u4fee\u6539\uff1b<\/mark><\/strong><\/p>\n\n\n\n

\u2461\u3001\u91cc\u9762\u7684\u5b57\u7b26\u4e32\u53ef\u4ee5\u590d\u7528<\/mark><\/strong><\/p>\n\n\n\n

\u4f8b\u5982\uff1a<\/p>\n\n\n\n

char* str2 = “abcd”;<\/p>\n\n\n\n

char* str3 = “abcd”;<\/p>\n\n\n\n

\u5728\u521b\u5efaabcd\u7684\u65f6\u5019\uff0c\u4f1a\u68c0\u67e5\u53ea\u8bfb\u5e38\u91cf\u533a\u6709\u6ca1\u6709abcd\uff0c\u5982\u679c\u6ca1\u6709\u624d\u4f1a\u521b\u5efa\u65b0\u7684\uff0c\u5982\u679c\u6709\u4e86\uff0c\u4e0d\u4f1a\u521b\u5efa\u65b0\u7684\uff0c\u800c\u662f\u76f4\u63a5\u590d\u7528\u3002<\/p>\n\n\n\n

printf(“%p\\n”,str2);<\/p>\n\n\n\n

printf(“%p\\n”,str3);<\/p>\n\n\n\n

\u6700\u540e\u8f93\u51fa\u7684\u7ed3\u679c\u90fd\u662f\u540c\u4e00\u4e2a\u5730\u5740\u503c\uff0c\u76f8\u5f53\u4e8echar* str3\u5bf9char* str2\u8fdb\u884c\u4e86\u590d\u7528\u3002<\/p>\n\n\n\n

3\u3001\u603b\u7ed3<\/mark><\/strong><\/p>\n\n\n\n

\uff081\uff09\u7b2c\u4e00\u79cd\u5b9a\u4e49\u683c\u5f0f\uff1a<\/p>\n\n\n\n

char str[4] = “abc”;<\/p>\n\n\n\n

\u2460\u3001\u6709\u7ed3\u675f\u6807\u8bb0\uff0c’\\0′<\/p>\n\n\n\n

\u2461\u3001\u5185\u5bb9\u53ef\u4ee5\u4fee\u6539<\/p>\n\n\n\n

\uff082\uff09\u7b2c\u4e8c\u79cd\u5b9a\u4e49\u683c\u5f0f<\/p>\n\n\n\n

char* str = “abc”;<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

4\u3001\u7ec3\u4e60<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

\u5728\u7528\u952e\u76d8\u5f55\u5165\u628a\u5b57\u7b26\u4e32\u5b58\u5165\u6570\u7ec4\u7684\u65f6\u5019\u6211\u4eec\u4e0d\u80fd\u7528\u5b57\u7b26\u4e32\u7b2c\u4e8c\u79cd\u5b9a\u4e49\u683c\u5f0f\uff0c\u8981\u7528\u7b2c\u4e00\u79cd\u5b57\u7b26\u4e32\u5b9a\u4e49\u683c\u5f0f\uff0c\u56e0\u4e3a\u6d89\u53ca\u5230\u4fee\u6539\u6570\u636e\u3002<\/p>\n\n\n\n

\u5728\u8fdb\u884c\u904d\u5386\u4e4b\u524d\uff0c\u53ef\u4ee5\u5b9a\u4e49char*\u7c7b\u578b\u7684\u6307\u9488\u8bb0\u5f55str\u7684\u5730\u5740\u503c\uff0c\u518d\u7528\u4e00\u4e2achar\u7c7b\u578b\u7684\u53d8\u91cfc\uff0c\u8bb0\u5f55\u89e3\u5f15\u7528\u7684\u503c\uff0c\u8fd9\u91cc\u4e3b\u8981\u662f\u7528\u6765\u7ed3\u675f\u5faa\u73af\uff1b<\/p>\n\n\n\n

\u6700\u540e\u5faa\u73af\u5b8c\u6210\u4e00\u6b21\uff0c\u6307\u9488p++\uff0c\u79fb\u52a8\u6570\u7ec4\u7684\u4e0b\u4e00\u4e2a\u6570\u636e\u5730\u5740\u503c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

1\u3001\u7b2c\u4e00\u79cd\u5b9a\u4e49\u683c\u5f0f char str[4] = “abc”; \uff081\uff09\u7ec6\u82821\uff1a \u5728\u5e95\u5c42\uff0c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9],"class_list":["post-732","post","type-post","status-publish","format-standard","hentry","category-archives","tag-c"],"_links":{"self":[{"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/posts\/732","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=732"}],"version-history":[{"count":1,"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/posts\/732\/revisions"}],"predecessor-version":[{"id":737,"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/posts\/732\/revisions\/737"}],"wp:attachment":[{"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=732"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=732"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=732"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}