{"id":22,"date":"2007-09-13T11:20:22","date_gmt":"2007-09-13T03:20:22","guid":{"rendered":"http:\/\/blog.pighead.cc\/whsyu\/2007\/09\/13\/22\/"},"modified":"2010-01-26T16:48:37","modified_gmt":"2010-01-26T08:48:37","slug":"c-variable-arguments","status":"publish","type":"post","link":"https:\/\/blog.pighead.cc\/whsyu\/2007\/09\/13\/c-variable-arguments\/","title":{"rendered":"C \u7684\u53c3\u6578\u500b\u6578\u4e0d\u5b9a\u51fd\u6578"},"content":{"rendered":"<p class=\"bb-post-separator\"><strong>[\u83ef\u8a9e, cmn-Hant-TW]  <\/strong><\/p><p>\u4e0d\u5e38\u7528\uff0c\u525b\u525b\u597d\u6709\u8981\u7528\u5230\uff0c\u8a18\u4e00\u4e0b\u3002<br \/>\n\u7528\u5728\u8981\u628a\u8f38\u5165\u91cd\u65b0\u5305\u88dd\u4e1f\u7d66sprintf\u7684\u6642\u5019<br \/>\n(\u4e0d\u904e\u9019\u908a\u61c9\u8a72\u662f\u7d66 vsprintf \u624d\u5c0d)<\/p>\n<p>\u9996\u5148\u662f\u6703\u7528\u5230 stdarg.h\u3002<br \/>\n\u76f4\u63a5\u770b code \u6bd4\u8f03\u5feb\uff0c\u5927\u81f4\u4e0a\u5c31\u662f\u7528 va_list \u5ba3\u544a\u4e00\u500b\u4e32\u5217\uff0c\u7136\u5f8c\u7528 va_start()  \u6307\u5230\u7b2c\u4e00\u500b\u53c3\u6578\uff0c\u7528\u5b8c\u4e4b\u5f8c\u547c\u53eb va_end() \u5c31\u53ef\u4ee5\u4e86\uff0c\u5176\u4ed6\u7684\u529f\u80fd\u9019\u908a\u7528\u4e0d\u5230\u3002<\/p>\n<pre lang=\"c\">\r\ninfo( char* format, ... ) {\r\n  char buffer[1024];\r\n  va_list args;\r\n  va_start( args, format );\r\n  vsprintf( buffer, format, args );\r\n  va_end( args );\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>[\u83ef\u8a9e, cmn-Hant-TW] \u4e0d\u5e38\u7528\uff0c\u525b\u525b\u597d\u6709\u8981\u7528\u5230\uff0c\u8a18\u4e00\u4e0b\u3002 \u7528\u5728\u8981\u628a\u8f38\u5165\u91cd\u65b0\u5305\u88dd\u4e1f\u7d66sprintf\u7684\u6642\u5019 (\u4e0d\u904e\u9019\u908a\u61c9\u8a72\u662f\u7d66 vsprintf \u624d\u5c0d) \u9996\u5148\u662f\u6703\u7528\u5230 stdarg.h\u3002 \u76f4\u63a5\u770b code \u6bd4\u8f03\u5feb\uff0c\u5927\u81f4\u4e0a\u5c31\u662f\u7528 va_list \u5ba3\u544a\u4e00\u500b\u4e32\u5217\uff0c\u7136\u5f8c\u7528 va_start() \u6307\u5230\u7b2c\u4e00\u500b\u53c3\u6578\uff0c\u7528\u5b8c\u4e4b\u5f8c\u547c\u53eb va_end() \u5c31\u53ef\u4ee5\u4e86\uff0c\u5176\u4ed6\u7684\u529f\u80fd\u9019\u908a\u7528\u4e0d\u5230\u3002 info( char* format, &#8230; ) { char buffer[1024]; va_list args; va_start( args, format ); vsprintf( buffer, format, args ); va_end( args );&hellip; <\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[200],"tags":[208,206,207],"class_list":["post-22","post","type-post","status-publish","format-standard","hentry","category-development","tag-argument","tag-c","tag-function"],"_links":{"self":[{"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/posts\/22","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/comments?post=22"}],"version-history":[{"count":3,"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/posts\/22\/revisions"}],"predecessor-version":[{"id":685,"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/posts\/22\/revisions\/685"}],"wp:attachment":[{"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/media?parent=22"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/categories?post=22"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/tags?post=22"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}