B_TRUSS_POINT_1
(void) B_TRUSS_POINT_1(rv, SYS_sysconfig, 0, which);
(void) B_TRUSS_POINT_1(rval, SYS_zone, 0, cmd);
(void) B_TRUSS_POINT_1(rval, SYS_sigsuspend, err, set);