@moro 我 google 了下 不能反射包呀？

或者问题可以转化成：怎么获取一个包中的所有 struct ？

输入负数会怎样

try alias
```
➜ ~ export CC="ifconfig en0"
➜ ~ $CC
zsh: command not found: ifconfig en0
➜ ~ alias CC="ifconfig en0"
➜ ~ CC
en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
ether d0:e1:40:9a:63:3c
inet6 fe80::d2e1:40ff:fe9a:633c%en0 prefixlen 64 scopeid 0x4
inet 192.168.1.2 netmask 0xffffff00 broadcast 192.168.1.255
nd6 options=1<PERFORMNUD>
media: autoselect
status: active
```

总是 clear...
```
➜ ~ history | awk '{CMD[$2]++;count++;} END { for (a in CMD )print CMD[ a ]" " CMD[ a ]/count*100 "% " a }' | grep -v "./" | column -c3 -s " " -t |sort -nr | nl | head -n10
1 1006 10.061% cd
2 933 9.33093% ls
3 559 5.59056% go
4 419 4.19042% python2
5 382 3.82038% curl
6 285 2.85029% python
7 283 2.83028% brew
8 279 2.79028% rm
9 231 2.31023% cat
10 208 2.08021% sudo
```

把项目删除，重新clone了下，然后重装了ruby，就可以了，不知道为什么。
感谢楼上各位～

@046569 加了梯子也还是不行，shadowsocks...
http://ww3.sinaimg.cn/large/a7839d61jw1escibscqbjj20pm07cafh.jpg

@046569 不是的，试过了8.8.8.8，和alidns，都还是不行。

报错是 no such name，感觉很疑惑，附相信错误信息：
➜ metasploit-framework git:(master) gem install bundler --debug
Exception `LoadError' at /Users/chu/.rbenv/versions/2.1.6/lib/ruby/2.1.0/resolv.rb:169 - LoadError
Exception `Resolv::DNS::Config::NXDomain' at /Users/chu/.rbenv/versions/2.1.6/lib/ruby/2.1.0/resolv.rb:547 - _rubygems._tcp.ruby.taobao.org
Exception `Resolv::DNS::Config::NXDomain' at /Users/chu/.rbenv/versions/2.1.6/lib/ruby/2.1.0/resolv.rb:547 - _rubygems._tcp.ruby.taobao.org.local
Exception `Resolv::ResolvError' at /Users/chu/.rbenv/versions/2.1.6/lib/ruby/2.1.0/resolv.rb:492 - DNS result has no information for _rubygems._tcp.ruby.taobao.org
Exception `Errno::EEXIST' at /Users/chu/.rbenv/versions/2.1.6/lib/ruby/2.1.0/fileutils.rb:250 - File exists @ dir_s_mkdir - /Users/chu/.gem/specs/ruby.taobao.org%443
Exception `SocketError' at /Users/chu/.rbenv/versions/2.1.6/lib/ruby/2.1.0/net/http.rb:879 - getaddrinfo: Invalid value for ai_flags
Exception `Gem::RemoteFetcher::UnknownHostError' at /Users/chu/.rbenv/versions/2.1.6/lib/ruby/2.1.0/rubygems/remote_fetcher.rb:283 - no such name (https://ruby.taobao.org/latest_specs.4.8.gz)
Exception `Gem::RemoteFetcher::UnknownHostError' at /Users/chu/.rbenv/versions/2.1.6/lib/ruby/2.1.0/rubygems/spec_fetcher.rb:268 - no such name (https://ruby.taobao.org/latest_specs.4.8.gz)
Exception `Gem::SpecificGemNotFoundException' at /Users/chu/.rbenv/versions/2.1.6/lib/ruby/2.1.0/rubygems/dependency_installer.rb:297 - Could not find a valid gem 'bundler' (>= 0) locally or in a repository
ERROR: Could not find a valid gem 'bundler' (>= 0), here is why:
Unable to download data from https://ruby.taobao.org/ - no such name (https://ruby.taobao.org/latest_specs.4.8.gz)
Exception `Errno::EEXIST' at /Users/chu/.rbenv/versions/2.1.6/lib/ruby/2.1.0/fileutils.rb:250 - File exists @ dir_s_mkdir - /Users/chu/.gem/specs/ruby.taobao.org%443
Exception `SocketError' at /Users/chu/.rbenv/versions/2.1.6/lib/ruby/2.1.0/net/http.rb:879 - getaddrinfo: Invalid value for ai_flags
Exception `Gem::RemoteFetcher::UnknownHostError' at /Users/chu/.rbenv/versions/2.1.6/lib/ruby/2.1.0/rubygems/remote_fetcher.rb:283 - no such name (https://ruby.taobao.org/prerelease_specs.4.8.gz)
Exception `Errno::EEXIST' at /Users/chu/.rbenv/versions/2.1.6/lib/ruby/2.1.0/fileutils.rb:250 - File exists @ dir_s_mkdir - /Users/chu/.gem/specs/ruby.taobao.org%443
Exception `SocketError' at /Users/chu/.rbenv/versions/2.1.6/lib/ruby/2.1.0/net/http.rb:879 - getaddrinfo: Invalid value for ai_flags
Exception `Gem::RemoteFetcher::UnknownHostError' at /Users/chu/.rbenv/versions/2.1.6/lib/ruby/2.1.0/rubygems/remote_fetcher.rb:283 - no such name (https://ruby.taobao.org/specs.4.8.gz)
Exception `Gem::RemoteFetcher::UnknownHostError' at /Users/chu/.rbenv/versions/2.1.6/lib/ruby/2.1.0/rubygems/spec_fetcher.rb:268 - no such name (https://ruby.taobao.org/specs.4.8.gz)

➜ ~ brew list
autoconf gengetopt jpeg makedepend phantomjs readline tcptraceroute
automake gettext libdnet masscan pkg-config ruby-build tree
byacc git libevent mongodb postgresql scapy wget
cmake gmp libnet mysql proxychains-ng scons wxmac
cowsay go libpng node pypcap sqlite wxpython
curl hexedit libssh openssl python sslscan xz
ettercap hydra libtiff ossp-uuid python3 subversion
gdbm icu4c libtool pcre rbenv swig

gitst and codebox

感谢诸位，理解了

如果能接受得了的话，直接 rmbp

12' 太小了，要是我的话，还是换个13' 的 rmbp