AVPK
	AVPKH
	AVPKF
	AVPKG
	AVPKLS
	AVPKLSH
	AVPKLSF
	AVPKLSG
	AVPKLSHS
	AVPKLSFS
	AVPKLSGS
	AVPKS
	AVPKSH
	AVPKSF
	AVPKSG
	AVPKSHS
	AVPKSFS
	AVPKSGS
	AVPERM
	AVPDI
	AVPOPCT
	AVREP
	AVREPB
	AVREPH
	AVREPF
	AVREPG
	AVREPI
	AVREPIB
	AVREPIH
	AVREPIF
	AVREPIG
	AVSCEF
	AVSCEG
	AVSEL
	AVSL
	AVSLB
	AVSLDB
	AVSRA

	ENOTTY          = syscall.Errno(0x19)
	ENXIO           = syscall.Errno(0x6)
	EOPNOTSUPP      = syscall.Errno(0x40)
	EOVERFLOW       = syscall.Errno(0x7f)
	EOWNERDEAD      = syscall.Errno(0x5f)
	EPERM           = syscall.Errno(0x1)
	EPFNOSUPPORT    = syscall.Errno(0x41)
	EPIPE           = syscall.Errno(0x20)
	EPROCLIM        = syscall.Errno(0x53)
	EPROTO          = syscall.Errno(0x79)

	AVCMPGTSH
	AVCMPGTSHCC
	AVCMPGTSW
	AVCMPGTSWCC
	AVCMPGTSD
	AVCMPGTSDCC
	AVCMPNEZB
	AVCMPNEZBCC
	AVCMPNEB
	AVCMPNEBCC
	AVCMPNEH
	AVCMPNEHCC
	AVCMPNEW
	AVCMPNEWCC
	AVPERM
	AVPERMXOR
	AVPERMR
	AVBPERMQ
	AVBPERMD
	AVSEL
	AVSPLTB
	AVSPLTH
	AVSPLTW
	AVSPLTISB
	AVSPLTISH
	AVSPLTISW
	AVCIPH
	AVCIPHER
	AVCIPHERLAST
	AVNCIPH
	AVNCIPHER

		t = t.Elem()
	}
	if t.IsArray() {
		n.SetBounded(bounded(r, t.NumElem()))
		if base.Flag.LowerM != 0 && n.Bounded() && !ir.IsConst(n.Index, constant.Int) {
			base.Warn("index bounds check elided")
		}
	} else if ir.IsConst(n.X, constant.String) {
		n.SetBounded(bounded(r, int64(len(ir.StringVal(n.X)))))
		if base.Flag.LowerM != 0 && n.Bounded() && !ir.IsConst(n.Index, constant.Int) {
			base.Warn("index bounds check elided")
		}

		if s != "" {
			return s
		}
	}
	return "errno " + itoa.Itoa(int(e))
}

func (e Errno) Is(target error) bool {
	switch target {
	case oserror.ErrPermission:
		return e == EACCES || e == EPERM
	case oserror.ErrExist:
		return e == EEXIST || e == ENOTEMPTY
	case oserror.ErrNotExist:
		return e == ENOENT
	case errorspkg.ErrUnsupported:
		return e == ENOSYS || e == ENOTSUP || e == EOPNOTSUPP
	}

	ENOTTY          = syscall.Errno(0x19)
	ENXIO           = syscall.Errno(0x6)
	EOPNOTSUPP      = syscall.Errno(0x66)
	EOVERFLOW       = syscall.Errno(0x54)
	EOWNERDEAD      = syscall.Errno(0x69)
	EPERM           = syscall.Errno(0x1)
	EPFNOSUPPORT    = syscall.Errno(0x2e)
	EPIPE           = syscall.Errno(0x20)
	EPROCLIM        = syscall.Errno(0x43)
	EPROCUNAVAIL    = syscall.Errno(0x4c)

	ENOTTY          = syscall.Errno(0x19)
	ENXIO           = syscall.Errno(0x6)
	EOPNOTSUPP      = syscall.Errno(0x2d)
	EOVERFLOW       = syscall.Errno(0x57)
	EOWNERDEAD      = syscall.Errno(0x5e)
	EPERM           = syscall.Errno(0x1)
	EPFNOSUPPORT    = syscall.Errno(0x2e)
	EPIPE           = syscall.Errno(0x20)
	EPROCLIM        = syscall.Errno(0x43)
	EPROCUNAVAIL    = syscall.Errno(0x4c)

	ENOTSUP         = syscall.Errno(0x56)
	ENOTTY          = syscall.Errno(0x19)
	ENXIO           = syscall.Errno(0x6)
	EOPNOTSUPP      = syscall.Errno(0x2d)
	EOVERFLOW       = syscall.Errno(0x54)
	EPERM           = syscall.Errno(0x1)
	EPFNOSUPPORT    = syscall.Errno(0x2e)
	EPIPE           = syscall.Errno(0x20)
	EPROCLIM        = syscall.Errno(0x43)
	EPROCUNAVAIL    = syscall.Errno(0x4c)

//sys	Mkfifo(path string, mode uint32) (err error)
//sys	Mknod(path string, mode uint32, dev int) (err error)
//sys	Nanosleep(time *Timespec, leftover *Timespec) (err error)
//sys	Open(path string, mode int, perm uint32) (fd int, err error)
//sys	Pathconf(path string, name int) (val int, err error)
//sys	pread(fd int, p []byte, offset int64) (n int, err error)
//sys	pwrite(fd int, p []byte, offset int64) (n int, err error)

	ENOTTY          = syscall.Errno(0x19)
	ENXIO           = syscall.Errno(0x6)
	EOPNOTSUPP      = syscall.Errno(0x2d)
	EOVERFLOW       = syscall.Errno(0x57)
	EOWNERDEAD      = syscall.Errno(0x5e)
	EPERM           = syscall.Errno(0x1)
	EPFNOSUPPORT    = syscall.Errno(0x2e)
	EPIPE           = syscall.Errno(0x20)
	EPROCLIM        = syscall.Errno(0x43)
	EPROCUNAVAIL    = syscall.Errno(0x4c)