llc_print
extern int llc_print(const u_char *, u_int, u_int, const u_char *,
llc_print(t, datalen, datalen, esrc, edst);
if (llc_print(p, length, caplen, ESRC(ep), EDST(ep)) == 0) {
if (llc_print(p, length, caplen, p-18, p-12) == 0) {
if (llc_print(pbuf, len, plen, ESRC(eh), EDST(eh)) == 0) {
if (llc_print(p, length, caplen, ESRC(&ehdr), EDST(&ehdr))
if (llc_print(p, length, caplen, ESRC(ep),