github.com/sagernet/sing-box@v1.9.0-rc.20/experimental/libbox/service_windows.go (about)

     1  package libbox
     2  
     3  import "os"
     4  
     5  func dup(fd int) (nfd int, err error) {
     6  	return 0, os.ErrInvalid
     7  }