51 	    "       conscontrol add | delete console",  in usage()
52 	    "       conscontrol set | unset console");  in usage()
66 	if (sysctlbyname("kern.console", NULL, &len, NULL, 0) == -1)  in consstatus()
67 		err(1, "kern.console estimate failed");  in consstatus()
69 		errx(1, "kern.console malloc failed");  in consstatus()
70 	if (sysctlbyname("kern.console", buf, &len, NULL, 0) == -1)  in consstatus()
71 		err(1, "kern.console retrieval failed");  in consstatus()
73 		errx(1, "kern.console format not understood");  in consstatus()
101 		err(1, "could not change console muting");  in consmute()
131 	if (sysctlbyname("kern.console", NULL, NULL, devnam, len) == -1)  in consadd()
132 		err(1, "could not add %s as a console", devnam);  in consadd()
149 	if (sysctlbyname("kern.console", NULL, NULL, buf, len) == -1)  in consdel()
150 		err(1, "could not remove %s as a console", devnam);  in consdel()
163 		err(1, "could not %s %s as virtual console",  in consset()