\u5728\u5b66\u4e60sizeof\u8fd0\u7b97\u7b26\u7684\u65f6\u5019\uff0c\u5b83\u7684\u503c\u7c7b\u578b\u4e3asize_t\uff0c\u7ed3\u679c\u5728\u4f7f\u7528printf\u51fd\u6570\u663e\u793a\u7684\u65f6\u5019\uff0c\u51ed\u7a7a\u591a\u4e86\u5f88\u591a\u8b66\u544a\uff0c\u6709\u70b9\u4e0d\u4e0d\u7406\u89e3\uff0c\u4e3a\u5565\u641e\u8fd9\u4e48\u590d\u6742\uff1f\u76f4\u63a5\u7528\u4e2aint\u7c7b\u578b\u591a\u7701\u4e8b\uff1f<\/p>\n\n\n\n
\u7ecf\u8fc7\u4e00\u756a\u641c\u7d22\u548c\u9605\u8bfb\u6587\u6863\uff0c\u627e\u5230\u4e86\u7b54\u6848\uff0c\u603b\u7ed3\u5982\u4e0b\uff1a<\/p>\n\n\n\n
\u7b54\uff1a\u4e00\u4e2a\u5171\u8bc6\u662f\uff1aint\u7c7b\u578b\u4e00\u822c\u5c0f\u4e8e\u7b49\u4e8e\u6570\u636e\u7ebf\u7684\u5bbd\u5ea6\uff0c\u800csize_t\u7c7b\u578b\u4e00\u822c\u4e3a\u5927\u4e8e\u7b49\u4e8e\u5730\u5740\u7ebf\u5bbd\u5ea6\u3002\u800c\u5730\u5740\u7ebf\u5bbd\u5ea6\u5e38\u5e38\u662f\u5927\u4e8e\u6570\u636e\u7ebf\u5bbd\u5ea6\u7684\u3002<\/p>\n\n\n\n
\u5728\u6570\u636e\u53ea\u67098\u4f4d\u7684\u5e74\u4ee3\uff0c\u5730\u5740\u7387\u5148\u8fdb\u516510\u4f4d\uff0c12\u4f4d\uff0c\u5728\u6570\u636e16\u4f4d\u7684\u5e74\u4ee3\uff0c\u5730\u5740\u4e5f\u5df2\u7ecf\u8fdb\u5165\u4e8620\u4f4d\uff0c24\u4f4d\u3002\u76ee\u524d\u7684int\u666e\u904d\u662f32\u4f4d\uff0c\u800c\u5730\u5740\u7ebf\u5bbd\u5ea6\u5728\u4e3b\u6d41\u5e73\u53f0\u4e2d\u90fd\u662f64\u4f4d\u3002<\/p>\n\n\n\n
size_t\u4e3a\u4ec0\u4e48\u5b58\u5728\uff1f\u56e0\u4e3a\u65e0\u8bbaint\u8fd8\u662funsigned\u90fd\u5f88\u53ef\u80fd\u5c0f\u4e8e\u5730\u5740\u7ebf\u5bbd\u5ea6\u9700\u8981\u7684\u5927\u5c0f\uff0c\u6240\u4ee5\u5fc5\u987b\u6709\u4e2asize_t\u3002<\/p>\n\n\n\n
\u7b54\uff1a_t\u7684\u610f\u601d\u5c31\u662ftype\u3002\u5173\u4e8e\u4e3a\u4ec0\u4e48\u8981\u52a0_t\u3002\u4e00\u4e2a\u7c7b\u578b\u540e\u9762\u52a0\u4e86_t\u8bf4\u660e\u4e86\u8fd9\u662f\u4e00\u4e2aPOSIX\u6216GNU\u4fdd\u7559\u7c7b\u578b\uff0c\u9632\u6b62\u547d\u540d\u7a7a\u95f4\u6c61\u67d3\uff08namespace pollution\uff09\u3002<\/p>\n\n\n\n
\u4e0d\u7136\u6807\u51c6\u5e93\u91cc\u65b0\u52a0\u4e86\u4ec0\u4e48\u7c7b\u578b\u8bf4\u4e0d\u5b9a\u5c31\u548c\u7528\u6237\u5df2\u7ecf\u5b9a\u4e49\u7684\u7c7b\u578b\u91cd\u540d\u4e86\u3002\u6240\u4ee5POSIX\u89c4\u5b9a\u81ea\u5df1\u6269\u5c55\u7684\u7c7b\u578b\u90fd\u52a0_t\uff0c\u8fd9\u6837\u53ea\u8981\u7528\u6237\u5b9a\u4e49\u7c7b\u578b\u7684\u65f6\u5019\u4e0d\u52a0_t\u5c31\u4e0d\u4f1a\u51b2\u7a81\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728\u5b66\u4e60sizeof\u8fd0\u7b97\u7b26\u7684\u65f6\u5019\uff0c\u5b83\u7684\u503c\u7c7b\u578b\u4e3asize_t\uff0c\u7ed3\u679c\u5728\u4f7f\u7528printf\u51fd\u6570\u663e\u793a\u7684\u65f6\u5019\uff0c\u51ed\u7a7a\u591a\u4e86\u5f88\u591a\u8b66\u544a\uff0c\u6709\u70b9\u4e0d\u4e0d\u7406\u89e3\uff0c\u4e3a …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[5],"tags":[],"class_list":["post-231","post","type-post","status-publish","format-standard","hentry","category-5"],"_links":{"self":[{"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/posts\/231","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/comments?post=231"}],"version-history":[{"count":0,"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/posts\/231\/revisions"}],"wp:attachment":[{"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/media?parent=231"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/categories?post=231"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/tags?post=231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}