)

type WSABuf struct {
	Len uint32
	Buf *byte
}

// Invented values to support what package os expects.
const (
	S_IFMT   = 0x1f000
	S_IFIFO  = 0x1000
	S_IFCHR  = 0x2000
	S_IFDIR  = 0x4000
	S_IFBLK  = 0x6000
	S_IFREG  = 0x8000
	S_IFLNK  = 0xa000
	S_IFSOCK = 0xc000
	S_ISUID  = 0x800
	S_ISGID  = 0x400
	S_ISVTX  = 0x200
	S_IRUSR  = 0x100
	S_IWRITE = 0x80
	S_IWUSR  = 0x80

			// only once as ready (both read and write).
			// Issue 19093.
			// Also don't add directories to the netpoller.
			if err == nil && (typ == syscall.S_IFREG || typ == syscall.S_IFDIR) {
				pollable = false
			}

			// In addition to the behavior described above for regular files,
			// on Darwin, kqueue does not work properly with fifos:

	S_IXOTH                         = 0x0001
	S_IRWXO                         = 0x0007
	S_IREAD                         = S_IRUSR
	S_IWRITE                        = S_IWUSR
	S_IEXEC                         = S_IXUSR
	S_IFDIR                         = 0x01000000
	S_IFCHR                         = 0x02000000
	S_IFREG                         = 0x03000000
	S_IFFIFO                        = 0x04000000
	S_IFIFO                         = 0x04000000

	S_HIPRI                       = 0x2
	S_ICRYPTO                     = 0x80000
	S_IEXEC                       = 0x40
	S_IFBLK                       = 0x6000
	S_IFCHR                       = 0x2000
	S_IFDIR                       = 0x4000
	S_IFIFO                       = 0x1000
	S_IFJOURNAL                   = 0x10000
	S_IFLNK                       = 0xa000
	S_IFMPX                       = 0x2200