{"id":24456,"date":"2025-11-21T21:23:33","date_gmt":"2025-11-21T13:23:33","guid":{"rendered":"https:\/\/zhenti.52daan.com\/?p=24456"},"modified":"2025-11-21T21:23:33","modified_gmt":"2025-11-21T13:23:33","slug":"%e6%9c%89%e4%b8%8b%e5%88%97%e7%a8%8b%e5%ba%8f%ef%bc%8c%e7%a8%8b%e5%ba%8f%e8%bf%90%e8%a1%8c%e5%90%8e%e7%9a%84%e8%be%93%e5%87%ba%e7%bb%93%e6%9e%9c%e6%98%af%ef%bc%88-%ef%bc%89%e3%80%82include-char-cchar","status":"publish","type":"post","link":"https:\/\/zhenti.52daan.com\/?p=24456","title":{"rendered":"\u6709\u4e0b\u5217\u7a0b\u5e8f\uff0c\u7a0b\u5e8f\u8fd0\u884c\u540e\u7684\u8f93\u51fa\u7ed3\u679c\u662f\uff08 \uff09\u3002#include <stdio.h>char cchar(char ch){ if (ch>=&#8217;A&#8217; &amp;&amp; ch<'Z') ch=ch-'A'+'a'; return ch;}int main(){char s[]=\"ABC+abc=defDEF\", *p=s;while (*p){ *p=cchar(*p); p++; }puts(s); return 0;} A.abc+ABC=DEFdef B.abc+abc=defdef C.abcabcdefdef D.abcaABCDEFdef"},"content":{"rendered":"<p>\u6709\u4e0b\u5217\u7a0b\u5e8f\uff0c\u7a0b\u5e8f\u8fd0\u884c\u540e\u7684\u8f93\u51fa\u7ed3\u679c\u662f\uff08 \uff09\u3002#include <stdio.h>char cchar(char ch){ if (ch>=&#8217;A&#8217; &amp;&amp; ch<'Z') ch=ch-'A'+'a'; return ch;}int main(){char s[]=\"ABC+abc=defDEF\", *p=s;while (*p){ *p=cchar(*p); p++; }puts(s); return 0;} A.abc+ABC=DEFdef B.abc+abc=defdef C.abcabcdefdef D.abcaABCDEFdef\n\n\u6b63\u786e\u7b54\u6848\uff1aB\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6709\u4e0b\u5217\u7a0b\u5e8f\uff0c\u7a0b\u5e8f\u8fd0\u884c\u540e\u7684\u8f93\u51fa\u7ed3\u679c&#46;&#46;&#46;<\/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":[411],"class_list":["post-24456","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-c"],"_links":{"self":[{"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=\/wp\/v2\/posts\/24456","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=24456"}],"version-history":[{"count":0,"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=\/wp\/v2\/posts\/24456\/revisions"}],"wp:attachment":[{"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=24456"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24456"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24456"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}