获取syscall.CreateProcess的输出

This is my code:

var command = "ping 127.0.0.1 && exit"
var sI syscall.StartupInfo
var pI syscall.ProcessInformation

argv := syscall.StringToUTF16Ptr(os.Getenv("windir")+"\\system32\\cmd.exe /C " + command)
syscall.CreateProcess(
    nil,
    argv,
    nil,
    nil,
    true,
    0x08000000,
    nil,
    nil,
    &sI,
    &pI)

Now I want get output result of executed code. Is there anyway?