type stackt struct {
	ss_sp     *byte
	ss_size   uintptr
	ss_flags  int32
	pad_cgo_0 [4]byte
}

type sigactiont struct {
	__sigaction_u [8]byte
	sa_tramp      unsafe.Pointer
	sa_mask       uint32
	sa_flags      int32
}

type usigactiont struct {
	__sigaction_u [8]byte
	sa_mask       uint32
	sa_flags      int32
}

type siginfo struct {
	si_signo  int32
	si_errno  int32

type stackt struct {
	ss_sp     *byte
	ss_size   uintptr
	ss_flags  int32
	pad_cgo_0 [4]byte
}

type sigactiont struct {
	__sigaction_u [8]byte
	sa_tramp      unsafe.Pointer
	sa_mask       uint32
	sa_flags      int32
}

type usigactiont struct {
	__sigaction_u [8]byte
	sa_mask       uint32
	sa_flags      int32
}

type siginfo struct {
	si_signo  int32
	si_errno  int32