function inshc(hA,pO,pW)
 write("Address: ")
 if hA then print(hA) else hA=readln() end
 write("Port: ")
 if pO then print(pO) else pO=readln() end
 if pW then print("Password provided.") else write("Password (empty for no auth): ") readln("*") end
 if pW == "" or pW == nil then nshc(pO,hA) else nshcs(pO,hA,pW) end
end