"usage: %s [-adginprtvV] [host [port]]\n"
"usage: %s [-adeginprtvV] [host [port]]\n"
usage(){	(void)fprintf(stderr,	    "usage: %s [-adginprtvV] [host [port]]\n"	    "       %s host:path[/]\n"	    "       %s ftp://host[:port]/path[/]\n"	    "       %s http://host[:port]/file\n",	    __progname, __progname, __progname, __progname);	exit(1);}