!!! info
    In diesem Beispiel verwenden wir zwei erfundene benutzerdefinierte Header `X-Key` und `X-Token`.

    Aber in realen Fällen würden Sie bei der Implementierung von Sicherheit mehr Vorteile durch die Verwendung der integrierten [Sicherheits-Werkzeuge (siehe nächstes Kapitel)](../security/index.md){.internal-link target=_blank} erzielen.

		n.X = cheapExpr(n.X, init)
		n.Y = cheapExpr(n.Y, init)
		eqlen, eqmem := compare.EqString(n.X, n.Y)
		// quick check of len before full compare for == or !=.
		// memequal then tests equality up to length len.
		if n.Op() == ir.OEQ {
			// len(left) == len(right) && memequal(left, right, len)
			r = ir.NewLogicalExpr(base.Pos, ir.OANDAND, eqlen, eqmem)
		} else {
			// len(left) != len(right) || !memequal(left, right, len)

					n, _, _ := dtoi(s[9:])
					if n < 1 {
						n = 1
					}
					conf.attempts = n
				case s == "rotate":
					conf.rotate = true
				case s == "single-request" || s == "single-request-reopen":
					// Linux option:
					// http://man7.org/linux/man-pages/man5/resolv.conf.5.html
					// "By default, glibc performs IPv4 and IPv6 lookups in parallel [...]
					//  This option disables the behavior and makes glibc

	Vfs      uint32
	Type     uint32
	Gen      uint32
	Reserved [9]uint32
}

type StatxTimestamp struct{}

type Statx_t struct{}

type Dirent struct {
	Offset uint32
	Ino    uint32
	Reclen uint16
	Namlen uint16
	Name   [256]uint8
}

type RawSockaddrInet4 struct {
	Len    uint8
	Family uint8
	Port   uint16
	Addr   [4]byte /* in_addr */
	Zero   [8]uint8
}

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Workshop Nr. 4:
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versetzt und in Formen gegossen. Ein kleiner Exkurs in die Chemie und Geschichte gesiedeter Seifen rundet das Programm
ab.

	Whence    int16
	Pad_cgo_0 [4]byte
	Start     int64
	Len       int64
	Sysid     int32
	Pid       int32
	Pad       [4]int64
}

type Dirent struct {
	Ino       uint64
	Off       int64
	Reclen    uint16
	Name      [1]int8
	Pad_cgo_0 [5]byte
}

type RawSockaddrInet4 struct {
	Family uint16
	Port   uint16
	Addr   [4]byte /* in_addr */
	Zero   [8]int8
}

!!! info "Informação"
    Note que `response_description` se refere especificamente à resposta, a `description` se refere à *operação de rota* em geral.

!!! check
    OpenAPI especifica que cada *operação de rota* requer uma descrição de resposta.

    Então, se você não fornecer uma, o **FastAPI** irá gerar automaticamente uma de "Resposta bem-sucedida".

<img src="/img/tutorial/path-operation-configuration/image03.png">

	Gen      uint32
	Reserved [9]uint32
	Padto_ll uint32
	Size     int64
}

type StatxTimestamp struct{}

type Statx_t struct{}

type Dirent struct {
	Offset uint64
	Ino    uint64
	Reclen uint16
	Namlen uint16
	Name   [256]uint8
	_      [4]byte
}

type RawSockaddrInet4 struct {
	Len    uint8
	Family uint8
	Port   uint16
	Addr   [4]byte /* in_addr */
	Zero   [8]uint8
}

	}

	fi, err := statHandle(name, h)
	syscall.CloseHandle(h)
	if err == nil && followSurrogates && fi.(*fileStat).isReparseTagNameSurrogate() {
		// To obtain information about the link target, we reopen the file without
		// FILE_FLAG_OPEN_REPARSE_POINT and examine the resulting handle.
		// (See https://devblogs.microsoft.com/oldnewthing/20100212-00/?p=14963.)

	Spare         [2]uint32
}

type Statfs_t [0]byte

type Flock_t struct {
	Start  int64
	Len    int64
	Pid    int32
	Type   int16
	Whence int16
}

type Dirent struct {
	Fileno    uint64
	Reclen    uint16
	Namlen    uint16
	Type      uint8
	Name      [512]int8
	Pad_cgo_0 [3]byte
}

type Fsid struct {
	X__fsid_val [2]int32
}

const (
	pathMax = 0x400
)