decode_hw_header
offset = decode_hw_header(interface->rbuf +
ssize_t decode_hw_header(unsigned char *, u_int32_t, struct hardware *);
offset = decode_hw_header(interface->rbuf,
ssize_t decode_hw_header(unsigned char *, size_t, size_t, struct packet_ctx *,
offset = decode_hw_header(interface->rbuf,
ssize_t decode_hw_header(unsigned char *, int, struct packet_ctx *);
if ((offset = decode_hw_header(buf, buflen, 0, &pc, HTYPE_ETHER)) < 0)
ssize_t decode_hw_header(unsigned char *, size_t, size_t, struct packet_ctx *,