add_off
static void add_off(inst_buffer * ib, int i);
add_off(ib, ib->addr);
add_off(ib, ib->addr);
add_off(ib, tmp);
add_off(ib, (u_int) ib->ppc + tmp);
add_off(ib, (u_int) ib->ppc + tmp);
add_off(ib, (u_int) ib->ppc + tmp);