EBADF           = Errno(0x9)
	EBADFD          = Errno(0x51)
	EBADMSG         = Errno(0x4d)
	EBADR           = Errno(0x33)
	EBADRQC         = Errno(0x36)
	EBADSLT         = Errno(0x37)
	EBFONT          = Errno(0x39)
	EBUSY           = Errno(0x10)
	ECANCELED       = Errno(0x2f)
	ECHILD          = Errno(0xa)
	ECHRNG          = Errno(0x25)
	ECOMM           = Errno(0x46)
	ECONNABORTED    = Errno(0x82)