written = int(writtenOut)

	if e1 != 0 {
		err = e1
	}
	return
}

>>> Flow 1 (client to server)
00000000  16 03 01 00 9d 01 00 00  99 03 03 f7 12 13 92 75  |...............u|
00000010  34 ab f3 e8 a2 19 2d 3c  0c 8b 9e c3 e8 22 7e d8  |4.....-<....."~.|
00000020  66 f9 08 88 70 9b cc 37  95 43 a7 00 00 04 cc a8  |f...p..7.C......|
00000030  00 ff 01 00 00 6c 00 0b  00 04 03 00 01 02 00 0a  |.....l..........|
00000040  00 0c 00 0a 00 1d 00 17  00 1e 00 19 00 18 00 23  |...............#|

000002f0  a1 50 78 a3 dd 99 c0 cf  74 f1 c0 79 b1 13 9d bc  |.Px.....t..y....|
00000300  0b 37 cf 7c 09 11 b8 a4  71 65 e8 be ff 3a b9 85  |.7.|....qe...:..|
00000310  cd b4 30 f8 1f d6 2e 83  96 6c 01 3e d2 00 a7 5b  |..0......l.>...[|
00000320  23 c6 d0 69 eb 90 49 e3  46 ed 45 96 3b 07 d4 a8  |#..i..I.F.E.;...|
00000330  16 03 03 00 3a 0d 00 00  36 03 01 02 40 00 2e 04  |....:...6...@...|

00000140  d9 2b 2b 24 23 77 5b 1c  3b bd 75 5d ce 20 54 cf  |.++$#w[.;.u]. T.|
00000150  a1 63 87 1d 1e 24 c4 f3  1d 1a 50 8b aa b6 14 43  |.c...$....P....C|
00000160  ed 97 a7 75 62 f4 14 c8  52 d7 02 03 01 00 01 a3  |...ub...R.......|
00000170  81 93 30 81 90 30 0e 06  03 55 1d 0f 01 01 ff 04  |..0..0...U......|
00000180  04 03 02 05 a0 30 1d 06  03 55 1d 25 04 16 30 14  |.....0...U.%..0.|

00000020  72 07 be 1f df d7 4e 6f  f3 f8 cb 20 ae d3 e5 fe  |r.....No... ....|
00000030  53 a3 c7 84 6c 3e c6 1d  d5 65 5d a6 a5 7d f7 5c  |S...l>...e]..}.\|
00000040  34 65 a7 df 1e 28 3f 7d  20 08 81 2c cc a9 00 00  |4e...(?} ..,....|
00000050  11 ff 01 00 01 00 00 0b  00 04 03 00 01 02 00 17  |................|
00000060  00 00 16 03 03 01 3c 0b  00 01 38 00 01 35 00 01  |......<...8..5..|

	written = int(writtenOut)

	if e1 != 0 {
		err = e1
	}
	return
}

>>> Flow 3 (client to server)
00000000  16 03 01 00 25 10 00 00  21 20 ec f2 2d ca 02 ce  |....%...! ..-...|
00000010  11 2d eb 26 d7 d9 fc b2  a7 2d 34 5b a9 3a 0b 2f  |.-.&.....-4[.:./|
00000020  5c 49 a9 69 1a 3a 83 90  ec 5f 14 03 01 00 01 01  |\I.i.:..._......|
00000030  16 03 01 00 30 9f 06 c7  a7 a0 c3 a5 3d 60 6e fb  |....0.......=`n.|
00000040  c6 18 a4 d2 80 2e ad 8f  cf 92 84 94 36 f8 81 28  |............6..(|

}

func (msghdr *Msghdr) SetIovlen(length int) {
	msghdr.Iovlen = int32(length)
}

func (cmsg *Cmsghdr) SetLen(length int) {
	cmsg.Len = uint32(length)
}

func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) // sic

//sys	Fstat(fd int, stat *Stat_t) (err error)
//sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
//sys	Fstatfs(fd int, stat *Statfs_t) (err error)

	RET

// Actually Syscall7
// func Syscall9(num uintptr, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2, err uintptr)
TEXT ·Syscall9(SB),NOSPLIT,$0-104
	CALL	runtime·entersyscall(SB)
	MOV	a1+8(FP), A0
	MOV	a2+16(FP), A1
	MOV	a3+24(FP), A2
	MOV	a4+32(FP), A3
	MOV	a5+40(FP), A4
	MOV	a6+48(FP), A5
	MOV	a7+56(FP), A6
	MOV	num+0(FP), T0	// syscall entry
	ECALL
	BNE	T0, ZERO, err

}

//go:registerparams
//go:noinline
func callArgsManyInt(f func(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9 int, x MagicLastTypeNameForTestingRegisterABI) (r0, r1, r2, r3, r4, r5, r6, r7, r8, r9 int), a0, a1, a2, a3, a4, a5, a6, a7, a8, a9 int) (int, int, int, int, int, int, int, int, int, int) {
	return f(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, MagicLastTypeNameForTestingRegisterABI{})
}

//go:registerparams
//go:noinline