i += cmsgAlignOf(int(h.Len))
	}
	return msgs, nil
}

// ParseOneSocketControlMessage parses a single socket control message from b, returning the message header,
// message data (a slice of b), and the remainder of b after that single message.
// When there are no remaining messages, len(remainder) == 0.
func ParseOneSocketControlMessage(b []byte) (hdr Cmsghdr, data []byte, remainder []byte, err error) {

// license that can be found in the LICENSE file.

// This file implements support functions for error messages.

package types2

// lookupError returns a case-specific error when a lookup of selector sel in the
// given type fails but an object with alternative spelling (case folding) is found.
// If structLit is set, the error message is specifically for struct literal fields.

! go test -json .

	# We should see only JSON output on stdout, no non-JSON.
	# To simplify the check, we just look for non-curly-braces, since
	# every JSON entry has them and they're unlikely to occur
	# in other error messages.
! stdout '^[^{]'
! stdout '[^}]\n$'

	# Since the only test we requested failed to build, we should
	# not see any "pass" actions in the JSON stream.
! stdout '\{.*"Action":"pass".*\}'

	}

	return finishedHash{sha1.New(), sha1.New(), md5.New(), md5.New(), buffer, version, prf}
}

// A finishedHash calculates the hash of a set of handshake messages suitable
// for including in a Finished message.
type finishedHash struct {
	client hash.Hash
	server hash.Hash

	// Prior to TLS 1.2, an additional MD5 hash is required.
	clientMD5 hash.Hash
	serverMD5 hash.Hash

		return
	}

	fmt.Printf("Plaintext: %s\n", plaintext)
}

func ExampleSignPKCS1v15() {
	message := []byte("message to be signed")

	// Only small messages can be signed directly; thus the hash of a
	// message, rather than the message itself, is signed. This requires
	// that the hash function be collision resistant. SHA-256 is the

	methods   []*Func       // ordered list of explicitly declared methods
	embeddeds []Type        // ordered list of explicitly embedded elements
	embedPos  *[]syntax.Pos // positions of embedded elements; or nil (for error messages) - use pointer to save space
	implicit  bool          // interface is wrapper for type set literal (non-interface T, ~T, or A|B)
	complete  bool          // indicates that all fields (except for tset) are set up

	return bytes.Clone(priv[:SeedSize])
}

// Sign signs the given message with priv. rand is ignored and can be nil.
//
// If opts.HashFunc() is [crypto.SHA512], the pre-hashed variant Ed25519ph is used
// and message is expected to be a SHA-512 hash, otherwise opts.HashFunc() must
// be [crypto.Hash](0) and the message must not be hashed, as Ed25519 performs two
// passes over messages to be signed.
//

	// hasVers indicates we're past the first message, forcing someone trying to
	// make us just allocate a large buffer to at least do the initial part of
	// the handshake first.
	if c.haveVers && data[0] == typeCertificate {
		// Since certificate messages are likely to be the only messages that
		// can be larger than maxHandshake, we use a special limit for just
		// those messages.
		maxHandshakeSize = maxHandshakeCertificateMsg

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Socket control messages

package unix

import "unsafe"

// UnixCredentials encodes credentials into a socket control message
// for sending to another process. This can be used for
// authentication.
func UnixCredentials(ucred *Ucred) []byte {
	b := make([]byte, CmsgSpace(SizeofUcred))

	if err != nil {
		fmt.Print(err)
	}
	// Output: emit macho dwarf: elf header corrupted
}

// The fmt package's Errorf function lets us use the package's formatting
// features to create descriptive error messages.
func ExampleNew_errorf() {
	const name, id = "bimmler", 17
	err := fmt.Errorf("user %q (id %d) not found", name, id)
	if err != nil {
		fmt.Print(err)
	}
	// Output: user "bimmler" (id 17) not found
}