cgo: very basic cgo support
cgo: very basic cgo support

tianon/gb,tbruyelle/gb,constabulary/gb,MerlinDMC/gb,lparkes/gb,mopemope/gb,Luit/gb,davidkaya/gb,URXtech/gb,hyper-carrot/gb,ches/gb,ches/gb,mopemope/gb,tbruyelle/gb,tianon/gb,acasajus/gb,guiquanz/gb,constabulary/gb,inconshreveable/gb,inconshreveable/gb,constabulary/gb,mopemope/gb,hyper-carrot/gb,davidkaya/gb