#include <alef.h>#include <bio.h>#include "httpd.h" voidusage(){	fprint(2, "usage: httpd [-n namespace] [-d domain] [-r remoteip] method version uri [search]\n");	exits("usage");} (byte*, byte*, byte*, byte*)init(int argc, byte **argv){	Arg *arg;	int c; 	ALEFcheck = checkfail;	bout.init(1, OWRITE);	namespace = nil;	mydomain = nil;	remotesys = nil;	arg = arginit(argc, argv);	fmtinstall('D', dateconv);	fmtinstall('H', httpconv);	while(c = argopt(arg)){		switch(c){		case 'd':			mydomain = argf(arg);			break;		case 'n':			namespace = argf(arg);			break;		case 'r':			remotesys = argf(arg);			break;		default:			usage();		}	} 	if(namespace == nil)		namespace = "/lib/namespace.http";	if(remotesys == nil)		remotesys = "unknown";	if(mydomain == nil)		mydomain = "unknown"; 	/*	 * open all files we might need before castrating namespace	 */	time();	syslog(0, HTTPLOG, nil); 	if(arg->ac != 4 && arg->ac != 3)		usage(); 	contentinit(); 	return (arg->av[0], arg->av[1], arg->av[2], arg->av[3]);}