Undefined error when i run 'go get github.com/ochapman/godmi'

[Katiyman]

go version
go version go1.8.3 windows/amd64

while running go get github.com/ochapman/godmi
Getting below error

# github.com/ochapman/godmi
src\github.com\ochapman\godmi\godmi.go:674: undefined: syscall.Mmap
src\github.com\ochapman\godmi\godmi.go:674: undefined: syscall.PROT_READ
src\github.com\ochapman\godmi\godmi.go:674: undefined: syscall.MAP_SHARED
src\github.com\ochapman\godmi\godmi.go:680: undefined: syscall.Munmap

[FairyTale5571]

+1