var tv Timeval
	err := ioctlPtr(fd, BIOCGRTIMEOUT, unsafe.Pointer(&tv))
	if err != nil {
		return nil, err
	}
	return &tv, nil
}

// Deprecated: Use golang.org/x/net/bpf instead.
func SetBpfTimeout(fd int, tv *Timeval) error {
	err := ioctlPtr(fd, BIOCSRTIMEOUT, unsafe.Pointer(tv))
	if err != nil {
		return err
	}
	return nil
}

// Deprecated: Use golang.org/x/net/bpf instead.

pkg syscall (darwin-arm64), func SetBpfPromisc //deprecated
pkg syscall (darwin-arm64), func SetBpfPromisc(int, int) error
pkg syscall (darwin-arm64), func SetBpfTimeout //deprecated
pkg syscall (darwin-arm64), func SetBpfTimeout(int, *Timeval) error
pkg syscall (darwin-arm64), func SetKevent(*Kevent_t, int, int, int)
pkg syscall (darwin-arm64), func SetNonblock(int, bool) error

pkg syscall (freebsd-riscv64), func SetBpfPromisc //deprecated #53466
pkg syscall (freebsd-riscv64), func SetBpfPromisc(int, int) error #53466
pkg syscall (freebsd-riscv64), func SetBpfTimeout //deprecated #53466
pkg syscall (freebsd-riscv64), func SetBpfTimeout(int, *Timeval) error #53466
pkg syscall (freebsd-riscv64), func SetKevent(*Kevent_t, int, int, int) #53466
pkg syscall (freebsd-riscv64), func SetNonblock(int, bool) error #53466

pkg syscall (freebsd-386-cgo), func SetBpfInterface(int, string) error
pkg syscall (freebsd-386-cgo), func SetBpfPromisc(int, int) error
pkg syscall (freebsd-386-cgo), func SetBpfTimeout(int, *Timeval) error
pkg syscall (freebsd-386-cgo), func SetKevent(*Kevent_t, int, int, int)
pkg syscall (freebsd-386-cgo), func SetNonblock(int, bool) error
pkg syscall (freebsd-386-cgo), func Setegid(int) error

pkg syscall (freebsd-arm64), func SetBpfPromisc //deprecated
pkg syscall (freebsd-arm64), func SetBpfPromisc(int, int) error
pkg syscall (freebsd-arm64), func SetBpfTimeout //deprecated
pkg syscall (freebsd-arm64), func SetBpfTimeout(int, *Timeval) error
pkg syscall (freebsd-arm64), func Setegid(int) error
pkg syscall (freebsd-arm64), func Seteuid(int) error
pkg syscall (freebsd-arm64), func Setgid(int) error

pkg syscall (netbsd-arm64-cgo), func SetBpfInterface(int, string) error
pkg syscall (netbsd-arm64-cgo), func SetBpfPromisc(int, int) error
pkg syscall (netbsd-arm64-cgo), func SetBpfTimeout(int, *Timeval) error
pkg syscall (netbsd-arm64-cgo), func Setegid(int) error
pkg syscall (netbsd-arm64-cgo), func Seteuid(int) error
pkg syscall (netbsd-arm64-cgo), func Setgid(int) error

pkg syscall (darwin-386), func SetBpfImmediate(int, int) error
pkg syscall (darwin-386), func SetBpfInterface(int, string) error
pkg syscall (darwin-386), func SetBpfPromisc(int, int) error
pkg syscall (darwin-386), func SetBpfTimeout(int, *Timeval) error
pkg syscall (darwin-386), func SetKevent(*Kevent_t, int, int, int)
pkg syscall (darwin-386), func SetNonblock(int, bool) error
pkg syscall (darwin-386), func Setegid(int) error

		{"SetBpfBuflen", Func, 0},
		{"SetBpfDatalink", Func, 0},
		{"SetBpfHeadercmpl", Func, 0},
		{"SetBpfImmediate", Func, 0},
		{"SetBpfInterface", Func, 0},
		{"SetBpfPromisc", Func, 0},
		{"SetBpfTimeout", Func, 0},
		{"SetCurrentDirectory", Func, 0},
		{"SetEndOfFile", Func, 0},
		{"SetEnvironmentVariable", Func, 0},
		{"SetFileAttributes", Func, 0},
		{"SetFileCompletionNotificationModes", Func, 2},