static int sys_rtdm_ioctl(struct pt_regs *regs) { return __rt_dev_ioctl(current, __xn_reg_arg1(regs), __xn_reg_arg2(regs), (void *)__xn_reg_arg3(regs)); }
static RTAI_SYSCALL_MODE int sys_rtdm_ioctl(long fd, long request, void *arg) { return __rt_dev_ioctl(current, fd, request, arg); }