当使用 curl 调用某个 url 时，它简化了 url 中的路径（例如 from /a/../bto /b）。我怎么能告诉 cUrl 不要这样做？
$ curl -V
curl 7.35.0 (x86_64-pc-linux-gnu) libcurl/7.35.0 OpenSSL/1.0.1f zlib/1.2.8 libidn/1.28 librtmp/2.3
Protocols: dict file ftp ftps gopher http https imap imaps ldap ldaps pop3 pop3s rtmp rtsp smtp smtps telnet tftp
Features: AsynchDNS GSS-Negotiate IDN IPv6 Largefile NTLM NTLM_WB SSL libz TLS-SRP
$ curl -v 'localhost/a/../b'
* Rebuilt URL to: localhost/b