aa aaa ab abacc abc ABCD abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnom abcde abcdefABCDEF abcdefghbcdefghicdefghijdefghijkefghijklfghijklmg abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghi ABI abÏ abs abuild ac accessor aclocal AcroForm acroform acroread activatePipelineStack ActiveState acyclic adbe addArrayElement addChoicesToCompletions addContentTokenFilter addDictionaryMember addOptionsToCompletions addPage addPageAt addPageContents addTokenFilter addToTable adjustAESStreamLength admon Adobeâ ae aeadb AEP aes AESv aesv afa afdh ageneration AHx ai AIX alloc allocator allowAccessibility allowEOF allowExtractAll allowModifyAll allowModifyAnnotation allowModifyAssembly allowModifyForm allowModifyOther allowPoundAnywhereInName allowPrintHighRes allowPrintLowRes alternativename annot annotationflags annots ansi antivirus anyBadTokens aobjid aoh ap apexcovantage api APIs apis appearancestate appendable appendItem appendString appian AppImage appimage arandom arg argc argCheck argCheckLinearization argCoalesceContents argCollate argCompletionBash argCompletionZsh argCompressStreams argCopyEncryption argCopyright argDecodeLevel argDecrypt argDeterministicId argEmpty argEncrypt argEncryptionFilePassword argEndEncrypt argEndUnderOverlay argExternalizeInlineImages argfile argFilteredStreamData argFlattenAnnotations argForceVersion argGenerateAppearances argHelp argIgnoreXrefStreams argIiMinBytes argJson argJsonHelp argJsonKey argJsonObject argKeepFilesOpen argKeepFilesOpenThreshold argKeepInlineImages argLinearize argLinearizePass argMinVersion argNewlineBeforeEndstream argNoOriginalObjectIds argNormalizeContent argNoWarn argObjectStreams argOiMinArea argOiMinHeight argOiMinWidth argOptimizeImages argOverlay argPages ArgParser argPassword argPasswordIsHexKey argPasswordMode argPositional argPreserveUnreferenced argPreserveUnreferencedResources argProgress argQdf argRawStreamData argRemovePageLabels argRotate args argShowEncryption argShowEncryptionKey argShowLinearization argShowNpages argShowObject argShowPages argShowXref argSplitPages argStaticAesIv argStaticId argStreamData argSuppressPasswordRecovery argSuppressRecovery argUnderlay argUOfrom argUOpassword argUOpositional argUOrepeat argUOto argv argVerbose argVersion argWithImages arko arko's Arora arr arrayOrStreamToStreamArray ArtBox asc ascii asciiHex ASCIIHexDecode ASCIIHexDecoder asMap assertArray assertBool assertDictionary assertIndirect assertInitialized assertInlineImage assertInteger assertName assertNull assertNumber assertOperator assertPageObject assertReal assertReserved assertScalar assertStream assertString assertType assignCompressedObjectNumbers atof atoi auth AuthEvent autobuilder autobuilders autoconf autofiles autogen autoheader autolabel autoload automake autotools ba backref backreference backrefs badBits badLength BADMAGIC BADOPTION baeca BaseFont basename BaseVersion bashcompinit bashdefault bb BBox bbox bc beb Berkenbilt betweenTokens bf bi bidirectionally binmode bis BitsPerComponent bitspercomponent bitstream BitStream BitWriter BleedBox bmc BogusRandomDataProvider boldseq bookinfo bool BORLANDC bp BPC bpp bpr brdp bs BT btn buf BufferInputSource buflen bufp bufpl bufsize BUGREPORT buildrules bw bx bytesNeeded ca calc calculateHOutline calculateHPageOffset calculateHSharedObject calculateLinearizationData calculateXrefStreamPadding callback callbacks callHello CAPTURECOUNT CARON cb cbc cc ccase ccc CCF CCITT CCITTFaxDecode cd cdc cdict ce cec ced cerr cf cfea cfis CFLAGS CFM cgi ch ChangeLog Checkboxes checkCompletion checkDataChecksum checkError checkFileChecksum checkHOutlines checkHPageOffset checkHSharedObject checkLinearization checkLinearizationInternal checkPageContents checkSchema checkSchemaInternal checkSeen checkUnread CHGeneric chmod cho CHPageOffset CHPageOffsetEntry chr CHSharedObject CHSharedObjectEntry CHSomething ci cin cinfo ciphertext cis cl classname clearPipelineStack clearsign cleartext ClearTextMetadata CLI ClosedFileInputSource CloseHandle closeObject cmath cmd cmyk coalesceContentStreams CoalesceProvider codepage codepoint col Coldwind ColorSpace colorspace ColorToGray com commandline COMP compareVersions compatbility CompressConfig computeDeterministicIDData concat Cond config conftest const ContentNormalizer ContentProvider contrib convertIIDict CopiedStreamDataProvider copyEncryptionParameters copyForeign copyForeignObject copyObject cout CoVantage cp cph cphe cplusplus CPPFLAGS cr CreateFile createPageContents createWhat CreationDate CRNL CropBox CryptAcquireContext CryptFilterDecodeParms CryptGenRandom crypto cryptolog CryptReleaseContext cso csoe css cstdio cstr cstring ctest ctx ctype CVE cx cxx CXXFLAGS cy cygwin da daae dae db dc dct DCTDecode dd ddaf ddd de debian dec declspec decodeAverage decodelevel decodeLevelChoices decodePaeth DecodeParms decodeparms decodeRow decodeStreams decodeSub decodeUp decrypt decrypted decrypter decrypting decryptStream decryptString def defaultvalue definitionId deflateEnd deflateInit defq delphi deobfuscated dep deque dereference dereferenced dest DESTDIR destpage destpageposfrom dests detecet dev devel DeviceCMYK DeviceGray DeviceRGB dh DIAERESIS dict didier didierstevens diff diffs diffutils DIR dirname disableCBC disableIncompatibleEncryption disablePadding DiscardContents discardGeneration dist distclean distfiles dl dlfcn dll DLL's dllexport dlls DLLs docbook DOCBOOKX docdir DocOpen DOCTYPE DocumentHelper doFinalChecks DOTLESS doubleBoxSize doWriteSetup Doxygen dp dquote dr driverless dropdown DTD dtdvalid dumpHGeneric dumpHPageOffset dumpHSharedObject dumpInfoDict dumpLinearizationDataInternal dup DV dwHighDateTime dwLowDateTime DWORD dwVolumeSerialNumber dx dy ea eacute eadb earlychange EarlyChange eb EBADF ebae ecc ecedd ecks eded eeb eeee ef EFF efgh ei ejb elif elt EmbeddedFiles embeddedFiles emc emptyPDF en encodable encodeDataIncrementally encodeFile encodeRow encodeString encp EncryptionData EncryptionParameters EncryptMetadata endian endif endl endobj endpos endstream enqueue enqueueing enqueueObject enqueueObjectsPCLm enqueueObjectsStandard enqueuePart enqueues enqueuing enspliel enum env envar eod eof eol ep epub eq ERANGE eraseItem Erdelsky's errno erroffset errptr esize esses eval exc exe exp expectInlineImage ExtensionLevel extern externalize externalized externalizeInlineImages fb fBqpdf fc fcc fclose fcntl fd fdict feebbd ferror ff FFFD ffff ffh fflush fghij fh fi fI fieldflags fieldtype fIinfilename fileinfo FileInputSource fileno filenow filep Filespec FILETIME filetrailer filterability filterCompressedObjects filterPageContents findAndSkipNextEOL findAttachmentStreams findEI findEndstream findFirst findHeader findLast findObject findObjectAtOrBelow findPage findSource findStartxref fIoptions fIoutfilename firstname firstterm fis fixDanglingReferences fl flarp flate FlateDecode flattenAnnotations flattenAnnotationsForPage flattenPagesTree flattenScalarReferences Florian fmatrix FMT fn fname fo foh fopen forcePDFVersion ForceR ForceV foreach ForeignStreamData fp fprintf fR fr fread FS fsanitize fseek fseeki fseeko fstream ftell ftelli ftello fullinfo fullname fullpad func fv fvisibility fweimer fwrite fx FxConflict Fxo Gagic GajiÄ gajic gcc gcurl gen generateAppearance generateAppearancesIfNeeded generateHintStream generateID generateObjectStreams generateTextAppearance genok getAllObjects getAllPages getAllPagesInternal getAlternativeName getAnnotations getAnnotationsForField getAppearanceDictionary getAppearanceState getAppearanceStream getArrayAsMatrix getArrayAsRectangle getArrayAsVector getArrayItem getArrayNItems getAsArray getAsMap getAsMatrix getAsVector getAttribute getBits getBitsSigned getBoolValue getBuffer getChoices getCompressibleObjects getCompressibleObjGens getCount getCropBox getDA getDataChecksum getDefaultAppearance getDefaultValue getDefaultValueAsString getDescription getDest getDestPage getDict getDictAsMap getEncryptionKey getEncryptMetadata getenv GetEnvironmentVariable getErrno getErrorCode getErrorMessage getExtensionLevel getFieldForAnnotation getFieldType getFileChecksum GetFileInformationByHandle getFilename getFilePosition getFinalVersion getFirstChar getFlags getFontFromResource getFontName getFormFields getFormXObjectForPage getFullyQualifiedName getGen getGeneration getHeight getHexDigest getId getInheritableFieldValue getInheritableFieldValueAsName getInheritableFieldValueAsString getInlineImageValue getInstance getIntValue getItem getJSON getKey getKeyForObject getKeys getKids getLabelForPage getLabelsForPageRange getLastChar GetLastError getLastOffset getLength getLengthBytes getLinearizationOffset getLinearizedParts getMappingName getMatch getMatrixForTransformations getMax getMediaBox getMessageDetail getMin getName getNeedAppearances getNext getNItems getNumericValue getO getObj getObject getObjectByID getObjectByObjGen getObjectCount getObjectHandle getObjectID getObjectStreamData getObjGen getObjStreamIndex getObjStreamNumber getOE getOffset getOffsetLength getOperatorValue getOriginalID getOutlinesForPage getOwningQPDF getP getPaddedUserPassword getPageContentForAppearance getPageContents getPageImages getParent getPartialName getPDFVersion getPerms getPointer getQPDF getQuadding getR getRandomDataProvider getRawDigest getRawStreamData getRawValue getRealValue getRect getRefcount getResourceNames getRoot getSize getStreamData getStreamDataBuffer getStreamDataProvider getStringValue getSubtype GetSystemTime getTf getTitle getToken getTopLevelOutlines getTrailer getTrimBox getTrimmedTrailer getTrimmedUserPassword getTrimmedUserPassword's getType getTypeCode getTypeName getU getUE getUncompressedObject getUniqueId getUniqueResourceName getUserPassword getUTF getV getVal getValue getValueAsString getWarnings getWhoami getWidgetAnnotationsForPage getWidth GG ghostscript GhostScript GiB github glarp glerbl glibc gm gmail GNUC gnuwin GoTo gpg grayscale grep gsdnld gswin gt GUIs Gynvael gz gzip HAGOOGAMAGOOGLE handleArgFileArguments handleBashArguments handleCode handleCompletion handleData handleEOF handleHelpArgs handleObject handleToken hasAcroForm hasacroform hasDescription hasIndex hasKey hasName hasObjectDescription hasOutlines hasPageLabels hb hbp HCRYPTPROV Hdict Helvetica hexkey hexkeylen hexstring hexstrings hf HGeneric hh HighPart hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstn hlen Hoffmann HOi HPageOffset HPageOffsetEntry hr href HS HSharedObject HSharedObjectEntry HSi HSomething HSomethingEntry htcondor htm html http https ic icc iconv IDs idx ifdef ifeq iff ifndef ifstream ignorable IIm iit ijg Im ImageC ImageChecker ImageInverter ImageMask ImageOptimizer ImageProvider inbuf includeIgnorable indicateProgress INDOC indx inf infile infilename inflateEnd inflateInit inflateReset ing init initializeByPage initializeEncryption initializePipelineStack initializeSpecialStreams initializeVector initializeWithRandomBytes initOptionTable inline InlineImage inlineimage InlineImageTracker ino inode inpdf inputLen InputSource InsecureRandomDataProvider insertItem insertPage insertPageobjToPage insertXrefEntry inst int interoperate interpretCF interpretR ints inttypes inv invalidateCache inverter io IOLBF iomanip ios iostream irdp isArray isBool isCheckbox ischeckbox isChecked isChoice ischoice isDataModified isDelimiter isDictionary isdigit isEncrypted isIgnorable isIndirect isInitialized isInlineImage isInteger isLinearized isMatrix isName isNull isNumber isNumeric iso isOperator isOrHasName isPageObject isPagesObject ispell isPushbutton isRadioButton isradiobutton isReal isRectangle isReserved isScalar isspace isSpace isStream isString isText istext istream istype isType italicseq itemizedlist iter ith iz jarr JCS JDIMENSION jdouble jerr jexp Jian jint jklmnopqrstuvwxyz jmap jmp jmpbuf JMSG jnull jo jpeg jpeglib jpg JPOOL jq JSAMPARRAY JSAMPLE JSAMPROW json jstr Jurczyk keybits keylen KEYLENGTH keyset LARGEFILE lastnum lastreleased lastTokenWasBad latin launchpad lbuf lc ld LDFLAGS ldquo len lengthNextN lexer LF lhs libclang libgcc libjpeg LibJpeg libpcre libqpdf libs libtests libtiff LibTiff libtool libtool's libtoolize libtools libz lin lindict linearization linearize linearized linearizing linebuf linefeeds linkend linkey linp LinParameters linux linuxfoundation listitem ljpeg ll lld llvm llx lly longjmp lookup lossy LowPart lqpdf lsb lt ltmain lu lval lx lz lzw LZWDecode LZWDecoder m'qpdf mac MacOS Macports macroman MacRomanEncoding makeArray makeBool makeDictionary makeDirect makeDirectInternal Makefile makeIndirectObject makeInt makeNull makeNumber makePipeline makeReal makeString malloc manualFinish mappingname Mateusz maxEnd maxlen maxval md mdash MDd mediabox MediaBox mem Memcheck memchr memcmp memcpy memmove memset merchantability mergeResources metadata mgr MILLE min mingw MinGW MINGW's mins misc MixColumn mk mkinstalldirs mklink ModOther monoseq mr MSC msg msvc MSVC's msys MT multibyte multiline multipage multithreaded Mutator mutators mv NameWatcher nannots nbackrefs nbits nbsp nBT nbytes nch ndash NeedAppearances needappearances nEMC nendobj nendstream ness nET newArray newBool NewDict newdict newDictionary newFromMatrix newFromRectangle newIndirect newInlineImage newInteger NEWKEYSET newName newNull newOperator newpage newpdf newReal newReserved newStream newString newUnicodeString nfields nFileIndexHigh nFileIndexLow nfirst ngrandkids nitems nkids nl nlines nmatches nMatches NoBackref nobjects NOMATCH NOMEMORY NONINFRINGEMENT nonprintable noout nopt normalizeName normalizer NoRotate nospace nouppercase NoView npages npos nproc nq nQ nr nrounds nshared nspaces nspecs nstream nstripes NTE ntoh ntotal NUL num numericValue numrange nums numtree nval nw nwalsh obj ObjAccessor ObjCache ObjCopier OBJDIR objdump ObjectHelper ObjectHolder objectStreamsChoices objectWarning ObjGen objgen ObjGens objGenToIndirect objid objidok objok objspec ObjStm objstm ObjUser objusers oc odh odict oe OffsetInputSource og ogs oi oiter okey ol oldpdf olist omap ooh op opages OpenAction openObject opensource optionalParameter OptionEntry ord org orig orred os OSS ostream ostringstream ot OtherPage ou OUE ous outbuf outbuffer OUTDOC outfile outfilename outlength outpdf outpdfw outprefix outputLengthNextN ovecsize ovector pacman padLen Paeth PaethPredictor pagefile PageLabel PageLabels pagelabels pagemode PageMode pageno pagenos pageobj pagepos pageposfrom PageSpec para param params parms parsecontent parseContentStream parseInternal parseNumrange parseOptions parsePageContents parsePagesOptions ParserCallbacks parseRotationParameter parseUnderOverlayOptions parseVersion partialname partLen pathsep patmv PatternFinder Pavlyuk pb pbytes pc PCLm pclm pcre pdf PDFâ PDFContext pdfdoc PDFDoc PDFDocEncoding pdfDumpInfoDict PDFs pdfs pdh pdlin pe performant perl persistAcrossFinish Pfeifle ph phe php pikepdf pipeContentStreams pipeForeignStreamData PipelineAccessor pipePageContents pipeStreamData pipeStringAndFinish Pkey pkg PKI pl placeFormXObject plaintext plb pldh pm png PNGFilter pngify PointerHolder PointerHolder's popPipelineStack poppler popup pornin pos POSIX PP PPA pr pragma pre precheck precompiled prefilering prefiltering prepareFileForWrite presentCharacter presentEOF preserveObjectStreams prev printability printf processChar processFile processInputSource processMemoryFile processRow processXRefStream procset ProcSet procsets programlisting programmatically ProgressReporter Projet prov provideRandomData provideStreamData proxied ps PSâ pseudorandom pt ptemp pthread ptr pushDiscardFilter pushEncryptionFilter pushInheritedAttributesToPage pushInheritedAttributesToPageInternal pushMD pushOutlinesToPart pushPipeline PUTU PWD pypi qarray QArray qdf QDFObject QDFWriter qdict QDict QEXC ql qnumbers QNumbers qpdf qpdf's QPDF's QPDFAcroFormDocumentHelper QPDFAcroFormDocumentHelper's QPDFAnnotationObjectHelper qpdfbuild QPDFCONSTANTS QPDFDocumentHelper QPDFExc QPDFFake QPDFFakeName QPDFFormFieldObjectHelper QPDFMatrix QPDFNameTreeObjectHelper QPDFNumberTreeObjectHelper QPDFObject QPDFObjectHandle QPDFObjectHandle's QPDFObjectHandles QPDFObjectHelper QPDFObjectTypeAccessor QPDFObjGen QPDFObjGens QPDFOutlineDocumentHelper QPDFOutlineObjectHelper QPDFPageData QPDFPageDocumentHelper QPDFPageLabelDocumentHelper QPDFPageObjectHelper qpdfs QPDFSomethingDocumentHelper QPDFSomethingObjectHelper QPDFStream QPDFSystemError QPDFTokenizer QPDFTYPES QPDFVersion QPDFWordTokenFinder QPDFWriter QPDFXRefEntry qpf qqqcqqq qstream QStream QStreams qstrings QStrings QTC qtest QTest quadding QuadPart quotedblbase quotedblright quoteleft quoteright quotesinglbase QUtil qutil qwert rand RandomDataProvider randoms rb rbegin rc rcon RDONLY rdp rdquo readArgsFromFile readHGeneric readHintStream readHPageOffset readHSharedObject readLine readLinearizationData README readObject readObjectAtOffset readObjectInternal readToken realmain reattached recompress recompressed recompresses recompressing recompression recomputation recoverStreamLength rect refactor refcount refpage refpos regexp registerForeignStream registerProgressReporter releaseResolved ReleaseResolver remotesensing removeKey removePage removereplace removeUnreferencedResources repl replaceDict replaceFilterData replaceForeignIndirectObjects replaceKey replaceObject replaceOrRemoveKey replaceReserved replaceStreamData reportProgress repos requiredChoices requiredParameter resave reserveObjects resetBits resolveLiteral resolveNamedDest resolveObjectsInStream ResolveRecorder resync retargeted retested reverseResolved rf rfont rg rgb rhs RI rijndael rijndaelDecrypt rijndaelEncrypt rijndaelSetupDecrypt rijndaelSetupEncrypt rk Rkey RKLENGTH rl rm RNRT rollover rotatePage rotatex RotationSpec roundoff rr RSA rspec rstream RStream RunLength runlength RunLengthDecode runtest Sahil sahilarora sAlT saphir sarray SASLprep savable scanline scanlines sch sdk sdp se SecureRandomDataProvider sed seekable sendNextCode sep seq serif setArrayFromVector setArrayItem setAttemptRecovery setbase setCheckBoxValue setCompressStreams setContentNormalization setDataKey setDecodeLevel setDescription setDeterministicID setDictDescription setEncryptionParameters setEncryptionParametersInternal setExtraHeaderText setFieldAttribute setFile setFilename setFromVector setIgnoreXRefStreams setImmediateCopyFrom setItem setIV setjmp setLastObjectDescription setLastOffset setLinearization setLinearizationPass setLineBuf setMinimumPDFVersion setmode setNeedAppearances setNewlineBeforeEndstream setO setObjectDescription setObjectDescriptionFromInput setObjectStreamMode setObjGen setOutputFile setOutputFilename setOutputMemory setOutputPipeline setOutputStreams setPasswordIsHexKey setPCLm setPipeline setprecision setPreserveEncryption setPreserveUnreferencedObjects setQDFMode setR setRadioButtonValue setRandomDataProvider setStaticAesIV setStaticID setStreamDataMode setStreamDescription setStreamPrecheck setSuppressOriginalObjectIDs setSuppressWarnings setTrailer setU setV setvbuf sev sf sha shallowCopy shallowCopyPage showLinearizationData showXRefTable sizeof skipToNextByte soe softlink solidus sourceforge SourceForge sph sphlib sprintf sqlite squote srand srandom src srdp sstream stampfile stamppdf StandardEncoding startoffset startxref stat stayOpen std STDC StdCF stddef stderr stdexcept stdin stdint StdioFile stdlib stdlib's stdout stevens STL StmF stopOnError str strcasecmp strchr strcmp strcpy streamDataChoices StreamDataProvider strerror StrF stricmp StringCounter StringDecrypter stringprep StringReverser stripesize strlen strncmp stronghorse strrchr strstr strtod strtoi strtol strtoll struct stylesheet stylesheets subclasses subdictionaries subdictionary SubFilter SubFilters sublicense subparsers Subramanyam substr substring Subtype sudo supp suppressions svg swapObjects swversion sx sy Symlink sys sysnow SYSTEMTIME SystemTimeToFileTime Syuu tarball TARNAME tbuf tc Td Te TerminateParsing terminateParsing TESTSUITE tf tff TfFinder tfh tgen th thax thomas tiffcmp TIFFPredictor Tj TL Tm tmatrix tmp tnum Tobias tobj tobjid TODO toffset tok TokenFilter TokenFilters tokenize tokenized tokenizer tokenizing tokenTypeName toolchain toolchains toupper toUTF tp transcode transcoders transcodes transcoding transformRectangle traverseField travis TrimBox trimTrailerForWrite tt ttype TU turbo Tval tx txt ty typename typeWarning ubuntu uc udata UE uHHHH uinow uint uiter UL ULARGE ulink uLong ULONGLONG uncompresesd uncompress uncompressing unconflicting undef underlaid underlaying UnderOverlay understandDecodeParams unencrypted unfilterable ungetc unicode uninstalled unistd unlink unlinked unparse unparseBinary unparseChild unparseObject unparseResolved unparsing unreadCh unreferenced unresolvable unretrieved uo upages upass updateAllPagesCache updateMap updateObjectMaps updateObjectMapsInternal updatePagesCache urandom url urx ury usageExit UseAes UseOutlines UserUnit useStaticIV useZeroIV USLetter usr utf Util utils uuid uval val valgrind valstr ValueSetter var variablelist varlistentry varname vc vec vecs VER versioned viewable ViewerPreferences Vitaliy Vkey vlen voidpf vp vvv warnIfPossible wb wchar Wconversion wcslen Weimer werror wfilename wfilenamep WFLAGS wfopen whoami WinAnsi winansi WinAnsiEncoding wincrypt WindowsCryptProvider wlen wmain wmatrix wmode wmodep Wold wrapInArray writeAppearance writeBinary writeBits writeBitsSigned writeBuffer writeEncryptionDictionary writeHeader writeHGeneric writeHintStream writeHPageOffset writeHSharedObject writeLinearized writeNext writeObject writeObjectStream writeObjectStreamOffsets writePad writeStandard writeString writeStringNoQDF writeStringQDF writeToken writeTrailer writeXRefStream writeXRefTable Wsign www WX wxWindows xA xa xABUL xb xbd xbebfbc xbf xc xcc xcf xD xd xDC xe xeaa xee xef xefcdab xF xf xFC xfcefa xfd xfde xfe xff xffeff xfffa xfffe xgen xhtml xml XMLLINT xmlns xobj xobject XObject XObject's XObjects xor xp xpacket xpdf XPOST XRef xref xrefEntry xrefFirst XRefStm xrefStream xrefTable xscale xsl XSLTPROC XXX xy yn yp yscale yuiop yyyymmdd z's zalloc zarko Zarko's zcaron zdata Zeroize zeroizing zfree zlib zsh zstream zzzzz zzzzzz