cell_t verbs; cell_t status;
cell_t slot[16];
OF_interpret(char *s, int nreturns, ...){	struct {		cell_t name;		cell_t nargs;		cell_t nreturns;		cell_t verbs;		cell_t status;	} args;	if (nreturns != 1)		panic("XXX - OF_interpret: can't handle multiple returns");		args.name = ADR2CELL(&"interpret");	args.nargs = 1;	args.nreturns = 1;	args.verbs = ADR2CELL(s);	openfirmware(&args);	return args.status;}