if (caplen > 0) { default_print_unaligned(p, caplen); }
llc_print(const u_char *p, u_int length, u_int caplen,	  const u_char *esrc, const u_char *edst){	struct llc llc;	register u_short et;	register int ret;	if (caplen < 3) {		(void)printf("[|llc]");		default_print((u_char *)p, caplen);		return(0);	}	/* Watch out for possible alignment problems */	memcpy((char *)&llc, (char *)p, min(caplen, sizeof(llc)));	if (llc.ssap == LLCSAP_GLOBAL && llc.dsap == LLCSAP_GLOBAL) {		ipx_print(p, length);		return (1);	}#ifdef notyet	else if (p[0] == 0xf0 && p[1] == 0xf0)		netbios_print(p, length);#endif	if (llc.ssap == LLCSAP_ISONS && llc.dsap == LLCSAP_ISONS	    && llc.llcui == LLC_UI) {		isoclns_print(p + 3, length - 3, caplen - 3, esrc, edst);		return (1);	}	if (llc.ssap == LLCSAP_SNAP && llc.dsap == LLCSAP_SNAP	    && llc.llcui == LLC_UI) {		if (caplen < sizeof(llc)) {		    (void)printf("[|llc-snap]");		    default_print((u_char *)p, caplen);		    return (0);		}		if (vflag)			(void)printf("snap %s ", protoid_string(llc.llcpi));		caplen -= sizeof(llc);		length -= sizeof(llc);		p += sizeof(llc);		/* This is an encapsulated Ethernet packet */		et = EXTRACT_16BITS(&llc.ethertype[0]);		/*		 * Some protocols have special handling if they are 802.3		 * SNAP encapsulated vs vers II encapsulated. Handle		 * those special protocols here, and hand the rest to		 * print-ether.c so we don't have to duplicate		 * all that code here.		 */		switch (et) {		case ETHERTYPE_ATALK:			atalk_print(p, length);			ret = 1;			break;		default:			ret = ether_encap_print(et, p, length, caplen);			break;		}		if (ret)			return (ret);	}	if ((llc.ssap & ~LLC_GSAP) == llc.dsap) {		if (eflag)			(void)printf("%s ", llcsap_string(llc.dsap));		else			(void)printf("%s > %s %s ",					etheraddr_string(esrc),					etheraddr_string(edst),					llcsap_string(llc.dsap));	} else {		if (eflag)			(void)printf("%s > %s ",				llcsap_string(llc.ssap & ~LLC_GSAP),				llcsap_string(llc.dsap));		else			(void)printf("%s %s > %s %s ",				etheraddr_string(esrc),				llcsap_string(llc.ssap & ~LLC_GSAP),				etheraddr_string(edst),				llcsap_string(llc.dsap));	}	if ((llc.llcu & LLC_U_FMT) == LLC_U_FMT) {		const char *m;		char f;		m = tok2str(cmd2str, "%02x", LLC_U_CMD(llc.llcu));		switch ((llc.ssap & LLC_GSAP) | (llc.llcu & LLC_U_POLL)) {		    case 0:			f = 'C'; break;		    case LLC_GSAP:		f = 'R'; break;		    case LLC_U_POLL:		f = 'P'; break;		    case LLC_GSAP|LLC_U_POLL:	f = 'F'; break;		    default:			f = '?'; break;		}		printf("%s/%c", m, f);		if (caplen < 6) {			default_print_unaligned(p, caplen);			return (0);		}		p += 3;		length -= 3;		caplen -= 3;		if ((llc.llcu & ~LLC_U_POLL) == LLC_XID) {		    if (*p == LLC_XID_FI) {			printf(": %02x %02x", p[1], p[2]);			p += 3;			length -= 3;			caplen -= 3;		    }		}	} else {		char f;		llc.llcis = ntohs(llc.llcis);		switch ((llc.ssap & LLC_GSAP) | (llc.llcu & LLC_U_POLL)) {		    case 0:			f = 'C'; break;		    case LLC_GSAP:		f = 'R'; break;		    case LLC_U_POLL:		f = 'P'; break;		    case LLC_GSAP|LLC_U_POLL:	f = 'F'; break;		    default:			f = '?'; break;		}		if ((llc.llcu & LLC_S_FMT) == LLC_S_FMT) {			static char *llc_s[] = { "rr", "rej", "rnr", "03" };			(void)printf("%s (r=%d,%c)",				llc_s[LLC_S_CMD(llc.llcis)],				LLC_IS_NR(llc.llcis),				f);		} else {			(void)printf("I (s=%d,r=%d,%c)",				LLC_I_NS(llc.llcis),				LLC_IS_NR(llc.llcis),				f);		}		p += 4;		length -= 4;		caplen -= 4;	}	(void)printf(" len=%d", length);	if (caplen > 0) {		default_print_unaligned(p, caplen);	}	return(1);}