ncd: Implement value comparison functions.
ncd: Implement value comparison functions.

Git-Host/badvpn,tempbottle/badvpn,tempbottle/badvpn,Git-Host/badvpn,binondord/badvpn,PowerOlive/badvpn,Git-Host/badvpn,binondord/badvpn,linfengfeiye/badvpn,tempbottle/badvpn,Git-Host/badvpn,Git-Host/badvpn,LazyZhu/badvpn,linfengfeiye/badvpn,PowerOlive/badvpn,LazyZhu/badvpn,linfengfeiye/badvpn,PowerOlive/badvpn,PowerOlive/badvpn,PowerOlive/badvpn,linfengfeiye/badvpn,tempbottle/badvpn,tempbottle/badvpn,binondord/badvpn,LazyZhu/badvpn,binondord/badvpn,linfengfeiye/badvpn,binondord/badvpn,LazyZhu/badvpn,LazyZhu/badvpn