type IfaMsghdr struct {
	Msglen    uint16
	Version   uint8
	Type      uint8
	Index     uint16
	Flags     int32
	Addrs     int32
	Addrflags int32
	Metric    int32
}

type IfmaMsghdr struct {
	Msglen  uint16
	Version uint8
	Type    uint8
	Index   uint16
	Flags   int32
	Addrs   int32
}

type IfAnnounceMsghdr struct {
	Msglen  uint16
	Version uint8
	Type    uint8
	Index   uint16

type (
	_C_short     int16
	_C_int       int32
	_C_long      int32
	_C_long_long int64
)

type Timespec struct {
	Sec  int32
	Nsec int32
}

type Timeval struct {
	Sec  int32
	Usec int32
}

type Rusage struct {
	Utime    Timeval
	Stime    Timeval
	Maxrss   int32
	Ixrss    int32
	Idrss    int32
	Isrss    int32
	Minflt   int32
	Majflt   int32
	Nswap    int32
	Inblock  int32

)

type PtraceLwpInfoStruct struct {
	Lwpid        int32
	Event        int32
	Flags        int32
	Sigmask      Sigset_t
	Siglist      Sigset_t
	Siginfo      __PtraceSiginfo
	Tdname       [20]int8
	Child_pid    int32
	Syscall_code uint32
	Syscall_narg uint32
}

type __Siginfo struct {
	Signo  int32
	Errno  int32
	Code   int32
	Pid    int32
	Uid    uint32
	Status int32
	Addr   *byte

type (
	_C_short     int16
	_C_int       int32
	_C_long      int32
	_C_long_long int64
)

type Timespec struct {
	Sec  int64
	Nsec int32
}

type Timeval struct {
	Sec  int64
	Usec int32
}

type Rusage struct {
	Utime    Timeval
	Stime    Timeval
	Maxrss   int32
	Ixrss    int32
	Idrss    int32
	Isrss    int32
	Minflt   int32
	Majflt   int32
	Nswap    int32
	Inblock  int32

//go:noescape
func Loadint32(ptr *int32) int32

//go:noescape
func Loadint64(ptr *int64) int64

//go:noescape
func Xaddint32(ptr *int32, delta int32) int32

//go:noescape
func Xaddint64(ptr *int64, delta int64) int64

//go:noescape
func Xchgint32(ptr *int32, new int32) int32

//go:noescape

	"internal/runtime/atomic"
	"unsafe"
)

// read calls the read system call.
// It returns a non-negative number of bytes written or a negative errno value.
func read(fd int32, p unsafe.Pointer, n int32) int32

func closefd(fd int32) int32

func exit(code int32)
func usleep(usec uint32)

//go:nosplit
func usleep_no_g(usec uint32) {
	usleep(usec)
}

// write1 calls the write system call.

type PtraceRegs386 struct {
	Ebx      int32
	Ecx      int32
	Edx      int32
	Esi      int32
	Edi      int32
	Ebp      int32
	Eax      int32
	Xds      int32
	Xes      int32
	Xfs      int32
	Xgs      int32
	Orig_eax int32
	Eip      int32
	Xcs      int32
	Eflags   int32
	Esp      int32
	Xss      int32
}

// PtraceGetRegs386 fetches the registers used by 386 binaries.

	Type      uint8
	Addrs     int32
	Flags     int32
	Index     uint16
	Pad_cgo_0 [2]byte
	Refcount  int32
}

type RtMsghdr struct {
	Msglen    uint16
	Version   uint8
	Type      uint8
	Index     uint16
	Pad_cgo_0 [2]byte
	Flags     int32
	Addrs     int32
	Pid       int32
	Seq       int32
	Errno     int32
	Use       int32
	Inits     uint32
	Rmx       RtMetrics
}

	Nswap    int32
	Inblock  int32
	Oublock  int32
	Msgsnd   int32
	Msgrcv   int32
	Nsignals int32
	Nvcsw    int32
	Nivcsw   int32
}

type Rlimit struct {
	Cur int64
	Max int64
}

type _Gid_t uint32

const (
	S_IFMT   = 0xf000
	S_IFIFO  = 0x1000
	S_IFCHR  = 0x2000
	S_IFDIR  = 0x4000
	S_IFBLK  = 0x6000
	S_IFREG  = 0x8000
	S_IFLNK  = 0xa000
	S_IFSOCK = 0xc000
	S_ISUID  = 0x800

)

type PtraceLwpInfoStruct struct {
	Lwpid        int32
	Event        int32
	Flags        int32
	Sigmask      Sigset_t
	Siglist      Sigset_t
	Siginfo      __PtraceSiginfo
	Tdname       [20]int8
	Child_pid    int32
	Syscall_code uint32
	Syscall_narg uint32
}

type __Siginfo struct {
	Signo  int32
	Errno  int32
	Code   int32
	Pid    int32
	Uid    uint32
	Status int32
	Addr   *byte