#include <u.h>#include <libc.h>#include <auth.h> voidusage(void){	fprint(2, "usage: testboot cmd args...\n");	exits("usage");} voidmain(int argc, char **argv){	int p[2]; 	if(argc == 1)		usage(); 	pipe(p);	switch(rfork(RFPROC|RFFDG|RFNAMEG)){	case -1:		sysfatal("fork: %r"); 	case 0:		dup(p[0], 0);		dup(p[1], 1);		exec(argv[1], argv+1);		sysfatal("exec: %r"); 	default:		if(amount(p[0], "/n/kremvax", MREPL, "") < 0)			sysfatal("amount: %r");		break;	}	exits(nil);}