if err == nil {
		addr = netip.AddrPortFrom(ip, uint16(port))
	}
	return n, addr, err
}

func (c *UDPConn) readMsg(b, oob []byte) (n, oobn, flags int, addr netip.AddrPort, err error) {
	switch c.fd.family {
	case syscall.AF_INET:
		var sa syscall.SockaddrInet4
		n, oobn, flags, err = c.fd.readMsgInet4(b, oob, 0, &sa)
		ip := netip.AddrFrom4(sa.Addr)
		addr = netip.AddrPortFrom(ip, uint16(sa.Port))
	case syscall.AF_INET6:

}

func fLessUEq(a uint8, f float64) bool {
	return a < 0 && f > Cf2 || a == 0 && f < -Cf2
}

func fLessUNeq(a uint16, f float64) bool {
	return a < 0 && f > Cf2 || a != 0 && f < -Cf2
}

func fLessULessU(a uint32, f float64) bool {
	return a < 0 && f > Cf2 || a < 0 && f < -Cf2
}

func fLessULeqU(a uint64, f float64) bool {
	return a < 0 && f > Cf2 || a <= 0 && f < -Cf2
}

  TF_INT64 = 9,
  TF_BOOL = 10,
  TF_QINT8 = 11,     // Quantized int8
  TF_QUINT8 = 12,    // Quantized uint8
  TF_QINT32 = 13,    // Quantized int32
  TF_BFLOAT16 = 14,  // Float32 truncated to 16 bits.
  TF_QINT16 = 15,    // Quantized int16
  TF_QUINT16 = 16,   // Quantized uint16
  TF_UINT16 = 17,
  TF_COMPLEX128 = 18,  // Double-precision complex
  TF_HALF = 19,
  TF_RESOURCE = 20,
  TF_VARIANT = 21,

func (tv *timeval) set_usec(x int32) {
	tv.tv_usec = int64(x)
}

type itimerval struct {
	it_interval timeval
	it_value    timeval
}

type keventt struct {
	ident  uint64
	filter int16
	flags  uint16
	fflags uint32
	data   int64
	udata  *byte
}

type pthread uintptr
type pthreadattr uintptr
type pthreadcond uintptr
type pthreadcondattr uintptr
type pthreadmutex uintptr

	tf_tcb   unsafe.Pointer
	tf_tid   *int32
	tf_stack uintptr
}

type sigcontext struct {
	sc_cookie  uint64
	sc_mask    uint64
	sc_pc      uint64
	sc_regs    [32]uint64
	mullo      uint64
	mulhi      uint64
	sc_fpregs  [33]uint64
	sc_fpused  uint64
	sc_fpc_eir uint64
	_xxx       [8]int64
}

type siginfo struct {
	si_signo  int32
	si_code   int32
	si_errno  int32

package ctrlz

import (
	"github.com/spf13/cobra"
)

// Options defines the set of options supported by Istio's ControlZ component introspection package.
type Options struct {
	// The IP port to use for ctrlz.
	Port uint16

	// The IP address to listen on for ctrlz.
	Address string

	// If true, pprof will be enabled
	EnablePprof bool
}

// DefaultOptions returns a new set of options, initialized to the defaults

// comparing a NaN value with any other value, NaN or not.
// See the [Compare] function for a consistent way to compare NaN values.
type Ordered interface {
	~int | ~int8 | ~int16 | ~int32 | ~int64 |
		~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr |
		~float32 | ~float64 |
		~string
}

// Less reports whether x is less than y.
// For floating-point types, a NaN is considered less than any non-NaN,

	tf_stack uintptr
}

type sigcontext struct {
	sc_cookie uint64
	sc_mask   int32
	sc_reg    [32]uint64
	sc_lr     uint64
	sc_cr     uint64
	sc_xer    uint64
	sc_ctr    uint64
	sc_pc     uint64
	sc_ps     uint64
	sc_vrsave uint64
	pad_cgo_0 [8]byte
	sc_vsx    [64][16]uint8
	sc_fpscr  uint64
	sc_vscr   uint64
}

type siginfo struct {
	si_signo  int32
	si_code   int32

}

type sigcontext struct {
	sc_rdi      uint64
	sc_rsi      uint64
	sc_rdx      uint64
	sc_rcx      uint64
	sc_r8       uint64
	sc_r9       uint64
	sc_r10      uint64
	sc_r11      uint64
	sc_r12      uint64
	sc_r13      uint64
	sc_r14      uint64
	sc_r15      uint64
	sc_rbp      uint64
	sc_rbx      uint64
	sc_rax      uint64
	sc_gs       uint64
	sc_fs       uint64
	sc_es       uint64

}

type sigcontext struct {
	sc_gs       uint32
	sc_fs       uint32
	sc_es       uint32
	sc_ds       uint32
	sc_edi      uint32
	sc_esi      uint32
	sc_ebp      uint32
	sc_ebx      uint32
	sc_edx      uint32
	sc_ecx      uint32
	sc_eax      uint32
	sc_eip      uint32
	sc_cs       uint32
	sc_eflags   uint32
	sc_esp      uint32
	sc_ss       uint32
	__sc_unused uint32
	sc_mask     uint32