linux kernel API and google android compile guide

（1）linux kernel API website:

http://docs.knobbits.org/local/linux-doc/html/regulator/index.html

http://www.cs.fsu.edu/~baker/devices/lxr/http/ident?i=regulator

http://lxr.free-electrons.com/ident?v=3.13;i=regulator

http://www.freebsd.org/cgi/man.cgi

（2）google android source code compile guide website:

http://source.android.com/source/initializing.html