CURL 开发笔记

常见error no,保存在curl.h
CURLE_COULDNT_CONNECT,         /* 7 */
CURLE_OPERATION_TIMEOUTED,     /* 28 - the timeout time was reached */
CURLE_GOT_NOTHING,             /* 52 - when this is a specific error */

reference
http://www.cnblogs.com/xwblog/archive/2011/11/09/2243080.html

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