Constant pcap_sys::linktypes::PPP_PPPD

pub const PPP_PPPD: i32 = 166;

DLT_PPP_PPPD PPP in HDLC-like encapsulation, like LINKTYPE_PPP_HDLC, but with the 0xff address byte replaced by a direction indication - 0x00 for incoming and 0x01 for outgoing.