How to listen quietly for other Bluetooth devices?

[Maksim Yevmenkin]

Hi Mikhail,

> I'd like my FreeBSD computer to detect the presence of other
> Bluetooth-devices nearby.

you probably look for inquiry command. i.e. hcidump inquiry. please be
aware that remote device may not answer inquiry, i.e. "not
discoverable". apart from inquiry, there is not a whole lot you can do
with standard hci interface

thanks!
max