"usage: wiconfig interface "
"usage: wicontrol interface "
static void usage(p)	char			*p;{	fprintf(stderr,	    "usage: wiconfig interface "	    "[-o] [-t tx rate] [-n network name] [-s station name]\n"	    "       [-e 0|1] [-k key [-v 1|2|3|4]] [-T 1|2|3|4]\n"	    "       [-c 0|1] [-q SSID] [-p port type] [-a access point density]\n"	    "       [-m MAC address] [-d max data length] [-r RTS threshold]\n"	    "       [-f frequency] [-P 0|1] [-S max sleep duration]\n");	exit(1);}