rec, nl, rem := rest[:n-1], rest[n-1:n], rest[n:]
	if nl != "\n" {
		return "", "", s, ErrHeader
	}

	// The first equals separates the key from the value.
	k, v, ok = strings.Cut(rec, "=")
	if !ok {
		return "", "", s, ErrHeader
	}

	if !validPAXRecord(k, v) {
		return "", "", s, ErrHeader
	}
	return k, v, rem, nil
}

  @SuppressWarnings("fallthrough")
  public static long divide(long p, long q, RoundingMode mode) {
    checkNotNull(mode);
    long div = p / q; // throws if q == 0
    long rem = p - q * div; // equals p % q

    if (rem == 0) {
      return div;
    }

    /*
     * Normal Java division rounds towards 0, consistently with RoundingMode.DOWN. We just have to

//	}
	DIV	R18, R22	// 02d2001a
	DIVU	R14, R9		// 012e001b
	DIVV	R8, R13		// 01a8001e
	DIVVU	R16, R19	// 0270001f

//	LREM rreg ',' rreg
//	{
//		outcode(int($1), &$2, 0, &$4);
//	}
	REM	R18, R22	// 02d2001a
	REMU	R14, R9		// 012e001b
	REMV	R8, R13		// 01a8001e
	REMVU	R16, R19	// 0270001f

//	LSHW rreg ',' sreg ',' rreg
//	{
//		outcode(int($1), &$2, int($4), &$6);
//	}

	MOVHU	y+8(FP), R4		// 6440402a
	MOVHU	1(R5), R4		// a404402a
	MULH	R4, R5	   		// a5901c00
	MULH	R4, R5, R6	   	// a6901c00
	MULHU	R4, R5			// a5101d00
	MULHU	R4, R5, R6		// a6101d00
	REM	R4, R5	  		// a5902000
	REM	R4, R5, R6	  	// a6902000
	REMW	R4, R5	  		// a5902000
	REMW	R4, R5, R6	  	// a6902000
	REMU	R4, R5	   		// a5902100
	REMU	R4, R5, R6	   	// a6902100
	REMWU	R4, R5	   		// a5902100

	DIVDE R3, R4, R5                // 7ca41b52
	DIVDECC R3, R4, R5              // 7ca41b53
	DIVDEU R3, R4, R5               // 7ca41b12
	DIVDEUCC R3, R4, R5             // 7ca41b13

	REM R3, R4, R5                  // 7fe41bd67fff19d67cbf2050
	REMU R3, R4, R5                 // 7fe41b967fff19d67bff00287cbf2050
	REMD R3, R4, R5                 // 7fe41bd27fff19d27cbf2050

ra?risiol?tacova??t&en?naruatser??ude?vinu?yenom???d?f!.&ca?di?eman?gro?lim?moc?o&fni?rp??ten?ude?vog?zib???nj?s?t!.&bew?c&a?in??eman?gro?lim?moc?o&c?g??t&en?ni?set??ude?vog?zib???yqx94qit--nx??k&8uxp3--nx?924tcf--nx?arfel?c&a&bdeef?lb??ebdnul?ilc?rem!e???d!.&e&disemmejh321,rots,?ger,mrif,oc,pohsdaerpsym,zib,?t??e&es?samet??h!.&a&4ya0cu--nx?5wqmg--nx??b3qa0do--nx?cni,d&2&2svcw--nx?3rvcl--nx??5xq55--nx?tl,?g&a0nt--nx?la0do--nx?ro??i&050qmg--nx?7a0oi--nx?xa0km--nx??m&1qtxm--nx?oc??npqic--nx?ten?ud...

	MULHU	X5, X6, X7				// b3335302
	MULHSU	X5, X6, X7				// b3235302
	MULW	X5, X6, X7				// bb035302

	// 13.2: Division Operations
	DIV	X5, X6, X7				// b3435302
	DIVU	X5, X6, X7				// b3535302
	REM	X5, X6, X7				// b3635302
	REMU	X5, X6, X7				// b3735302
	DIVW	X5, X6, X7				// bb435302
	DIVUW	X5, X6, X7				// bb535302
	REMW	X5, X6, X7				// bb635302
	REMUW	X5, X6, X7				// bb735302

pkg hash/maphash, type Hash struct
pkg hash/maphash, type Seed struct
pkg log, const Lmsgprefix = 64
pkg log, const Lmsgprefix ideal-int
pkg math, func FMA(float64, float64, float64) float64
pkg math/bits, func Rem(uint, uint, uint) uint
pkg math/bits, func Rem32(uint32, uint32, uint32) uint32
pkg math/bits, func Rem64(uint64, uint64, uint64) uint64
pkg mime/multipart, method (*Reader) NextRawPart() (*Part, error)

fips140.Hash](hash func() H, entropy, nonce []byte, s []byte) *hmacDRBG { return newDRBG(hash, entropy, nonce, plainPersonalization(s)) } func pad000(h *hmac.HMAC, writtenSoFar int) { blockSize := h.BlockSize() if rem := writtenSoFar % blockSize; rem != 0 { h.Write(make([]byte, blockSize-rem)) } } // Generate produces at most maxRequestSize bytes of random data in out. func (d *hmacDRBG) Generate(out []byte) { // HMAC_DRBG_Generate_algorithm, per Section 10.1.2.5. fips140.RecordApproved() if len(out)...

hash.Hash](hash func() H, entropy, nonce []byte, s []byte) *hmacDRBG { return newDRBG(hash, entropy, nonce, plainPersonalization(s)) } func pad000(h *hmac.HMAC, writtenSoFar int) { blockSize := h.BlockSize() if rem := writtenSoFar % blockSize; rem != 0 { h.Write(make([]byte, blockSize-rem)) } } // Generate produces at most maxRequestSize bytes of random data in out. func (d *hmacDRBG) Generate(out []byte) { // HMAC_DRBG_Generate_algorithm, per Section 10.1.2.5. fips140.RecordApproved() if len(out)...