1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
67 	char *bp, *ep, *memf, *nextp, *nlistf, *p, *q, *visbp;  in main()  local
78 	while ((ch = getopt(argc, argv, "acM:N:")) != -1)  in main()
96 	argc -= optind;  in main()
103 		 * as a side effect.  Remove nulterm (if present) so the value  in main()
107 		if (sysctlbyname("kern.msgbuf", NULL, &buflen, NULL, 0) == -1)  in main()
114 		if (sysctlbyname("kern.msgbuf", bp, &buflen, NULL, 0) == -1)  in main()
116 		if (buflen > 0 && bp[buflen - 1] == '\0')  in main()
117 			buflen--;  in main()
126 		if (kvm_nlist(kd, nl) == -1)  in main()
142 		    cur.msg_size - bufpos) != (ssize_t)(cur.msg_size - bufpos))  in main()
145 		    &bp[cur.msg_size - bufpos], bufpos) != (ssize_t)bufpos)  in main()
155 	if (buflen == 0 || bp[buflen - 1] != '\n')  in main()
168 	ep = &bp[buflen];  in main()
174 	for (; p < ep; p = nextp) {  in main()
175 		nextp = memchr(p, '\n', ep - p);  in main()
178 		/* Skip ^<[0-9]+> syslog sequences. */  in main()
190 		(void)strvisx(visbp, p, nextp - p, 0);  in main()
199 	fprintf(stderr, "usage: dmesg [-ac] [-M core [-N system]]\n");  in usage()