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<HEAD> <TITLE>plan 9 man section 2</TITLE> </HEAD> <BODY> <B>[<A HREF="/sys/man/index.html">manual index</A>]</B> <H2>Plan 9 from Bell Labs - Section 2 - System and Library Calls</H2> <HR> <DL> <DT><A HREF="/magic/man2html/2/0intro">0intro</A> - introduction to library functions <DD><TT> intro</TT> </DT> <DT><A HREF="/magic/man2html/2/9p">9p</A> - 9P file service <DD><TT> Srv, dirread9p, emalloc9p, erealloc9p, estrdup9p, listensrv, postfd, postmountsrv, readbuf, readstr, respond, responderror, threadlistensrv, threadpostmountsrv, srv</TT> </DT> <DT><A HREF="/magic/man2html/2/9pcmdbuf">9pcmdbuf</A> - control message parsing <DD><TT> Cmdbuf, parsecmd, respondcmderror, lookupcmd</TT> </DT> <DT><A HREF="/magic/man2html/2/9pfid">9pfid</A> - 9P fid, request tracking <DD><TT> Fid, Fidpool, allocfidpool, freefidpool, allocfid, closefid, lookupfid, removefid, Req, Reqpool, allocreqpool, freereqpool, allocreq, closereq, lookupreq, removereq</TT> </DT> <DT><A HREF="/magic/man2html/2/9pfile">9pfile</A> - in-memory file hierarchy <DD><TT> Tree, alloctree, freetree, File, createfile, closefile, removefile, walkfile, opendirfile, readdirfile, closedirfile, hasperm</TT> </DT> <DT><A HREF="/magic/man2html/2/abort">abort</A> - generate a fault <DD><TT> abort</TT> </DT> <DT><A HREF="/magic/man2html/2/abs">abs</A> - integer absolute values <DD><TT> abs, labs</TT> </DT> <DT><A HREF="/magic/man2html/2/access">access</A> - determine accessibility of file <DD><TT> access</TT> </DT> <DT><A HREF="/magic/man2html/2/addpt">addpt</A> - arithmetic on points and rectangles <DD><TT> addpt, subpt, mulpt, divpt, rectaddpt, rectsubpt, insetrect, canonrect, eqpt, eqrect, ptinrect, rectinrect, rectXrect, rectclip, combinerect, Dx, Dy, Pt, Rect, Rpt</TT> </DT> <DT><A HREF="/magic/man2html/2/aes">aes</A> - advanced encryption standard (rijndael) <DD><TT> setupAESstate, aesCBCencrypt, aesCBCdecrypt, aesCTRencrypt, aesCTRdecrypt, setupAESXCBCstate, aesXCBCmac</TT> </DT> <DT><A HREF="/magic/man2html/2/allocimage">allocimage</A> - allocating, freeing, reading, writing images <DD><TT> allocimage, allocimagemix, freeimage, nameimage, namedimage, setalpha, loadimage, cloadimage, unloadimage, readimage, writeimage, bytesperline, wordsperline</TT> </DT> <DT><A HREF="/magic/man2html/2/arg">arg</A> - process option letters from argv <DD><TT> ARGBEGIN, ARGEND, ARGC, ARGF, EARGF</TT> </DT> <DT><A HREF="/magic/man2html/2/arith3">arith3</A> - operations on 3-d points and planes <DD><TT> add3, sub3, neg3, div3, mul3, eqpt3, closept3, dot3, cross3, len3, dist3, unit3, midpt3, lerp3, reflect3, nearseg3, pldist3, vdiv3, vrem3, pn2f3, ppp2f3, fff2p3, pdiv4, add4, sub4</TT> </DT> <DT><A HREF="/magic/man2html/2/assert">assert</A> - check program invariants <DD><TT> assert</TT> </DT> <DT><A HREF="/magic/man2html/2/atof">atof</A> - convert text to numbers <DD><TT> atof, atoi, atol, atoll, charstod, strtod, strtol, strtoll, strtoul, strtoull</TT> </DT> <DT><A HREF="/magic/man2html/2/auth">auth</A> - routines for authenticating users <DD><TT> amount, newns, addns, login, noworld, auth_proxy, fauth_proxy, auth_allocrpc, auth_freerpc, auth_rpc, auth_getkey, amount_getkey, auth_freeAI, auth_chuid, auth_challenge, auth_response, auth_freechal, auth_respond, auth_userpasswd, auth_getuserpasswd, auth_getinfo</TT> </DT> <DT><A HREF="/magic/man2html/2/authsrv">authsrv</A> - routines for communicating with authentication servers <DD><TT> authdial, passtokey, nvcsum, readnvram, convT2M, convM2T, convTR2M, convM2TR, convA2M, convM2A, convPR2M, convM2PR, _asgetticket, _asrdresp</TT> </DT> <DT><A HREF="/magic/man2html/2/avl">avl</A> - AVL tree routines <DD><TT> mkavltree, insertavl, lookupavl, deleteavl, avlwalk, avlnext, avlprev, endwalk</TT> </DT> <DT><A HREF="/magic/man2html/2/bin">bin</A> - grouped memory allocation <DD><TT> binalloc, bingrow, binfree</TT> </DT> <DT><A HREF="/magic/man2html/2/bind">bind</A> - change name space <DD><TT> bind, mount, unmount</TT> </DT> <DT><A HREF="/magic/man2html/2/bio">bio</A> - buffered input/output <DD><TT> Bopen, Binit, Binits, Brdline, Brdstr, Bgetc, Bgetrune, Bgetd, Bungetc, Bungetrune, Bread, Bseek, Boffset, Bfildes, Blinelen, Bputc, Bputrune, Bprint, Bvprint, Bwrite, Bflush, Bterm, Bbuffered</TT> </DT> <DT><A HREF="/magic/man2html/2/blowfish">blowfish</A> - blowfish encryption <DD><TT> setupBFstate, bfCBCencrypt, bfCBCdecrypt, bfECBencrypt, bfECBdecrypt</TT> </DT> <DT><A HREF="/magic/man2html/2/brk">brk</A> - change memory allocation <DD><TT> brk, sbrk</TT> </DT> <DT><A HREF="/magic/man2html/2/cachechars">cachechars</A> - font utilities <DD><TT> cachechars, agefont, loadchar, Subfont, Fontchar, Font</TT> </DT> <DT><A HREF="/magic/man2html/2/chdir">chdir</A> - change working directory <DD><TT> chdir</TT> </DT> <DT><A HREF="/magic/man2html/2/cleanname">cleanname</A> - clean a path name <DD><TT> cleanname</TT> </DT> <DT><A HREF="/magic/man2html/2/color">color</A> - colors and color maps <DD><TT> cmap2rgb, cmap2rgba, rgb2cmap</TT> </DT> <DT><A HREF="/magic/man2html/2/complete">complete</A> - file name completion <DD><TT> complete</TT> </DT> <DT><A HREF="/magic/man2html/2/control">control</A> - interactive graphical controls <DD><TT> Control, Controlset, activate, closecontrol, closecontrolset, controlcalled, controlwire, createbox, createboxbox, createbutton, createcolumn, createentry, createkeyboard, createlabel, createmenu, createradiobutton, createrow, createscribble, createslider, createstack, createtab, createtext, createtextbutton, ctlerror, ctlmalloc, ctlrealloc, ctlstrdup, ctlprint, deactivate, freectlfont, freectlimage, initcontrols, namectlfont, namectlimage, newcontrolset, resizecontrolset</TT> </DT> <DT><A HREF="/magic/man2html/2/cputime">cputime</A> - cpu time in this process and children <DD><TT> cputime, times, cycles</TT> </DT> <DT><A HREF="/magic/man2html/2/ctime">ctime</A> - convert date and time <DD><TT> ctime, localtime, gmtime, asctime, tm2sec, timezone</TT> </DT> <DT><A HREF="/magic/man2html/2/ctype">ctype</A> - ASCII character classification <DD><TT> isalpha, isupper, islower, isdigit, isxdigit, isalnum, isspace, ispunct, isprint, isgraph, iscntrl, isascii, toascii, _toupper, _tolower, toupper, tolower</TT> </DT> <DT><A HREF="/magic/man2html/2/debugger">debugger</A> - machine-independent debugger functions <DD><TT> cisctrace, risctrace, ciscframe, riscframe, localaddr, symoff, fpformat, beieee80ftos, beieeesftos, beieeedftos, leieee80ftos, leieeesftos, leieeedftos, ieeesftos, ieeedftos</TT> </DT> <DT><A HREF="/magic/man2html/2/des">des</A> - single and triple digital encryption standard <DD><TT> setupDESstate, des_key_setup, block_cipher, desCBCencrypt, desCBCdecrypt, desECBencrypt, desECBdecrypt, des3CBCencrypt, des3CBCdecrypt, des3ECBencrypt, des3ECBdecrypt, key_setup, des56to64, des64to56, setupDES3state, triple_block_cipher</TT> </DT> <DT><A HREF="/magic/man2html/2/dial">dial</A> - make and break network connections <DD><TT> dial, hangup, announce, listen, accept, reject, netmkaddr, setnetmtpt, getnetconninfo, freenetconninfo</TT> </DT> <DT><A HREF="/magic/man2html/2/dirread">dirread</A> - read directory <DD><TT> dirread, dirreadall</TT> </DT> <DT><A HREF="/magic/man2html/2/disk">disk</A> - generic disk device interface <DD><TT> opendisk, Disk</TT> </DT> <DT><A HREF="/magic/man2html/2/draw">draw</A> - graphics functions PB L <DD><TT> Image, draw, gendraw, drawreplxy, drawrepl, replclipr, line, poly, fillpoly, bezier, bezspline, fillbezier, fillbezspline, ellipse, fillellipse, arc, fillarc, icossin, icossin2, border, string, stringn, runestring, runestringn, stringbg, stringnbg, runestringbg, runestringnbg, _string, ARROW, drawsetdebug</TT> </DT> <DT><A HREF="/magic/man2html/2/dsa">dsa</A> - digital signature algorithm <DD><TT> dsagen, dsasign, dsaverify, dsapuballoc, dsapubfree, dsaprivalloc, dsaprivfree, dsasigalloc, dsasigfree, dsaprivtopub</TT> </DT> <DT><A HREF="/magic/man2html/2/dup">dup</A> - duplicate an open file descriptor <DD><TT> dup</TT> </DT> <DT><A HREF="/magic/man2html/2/elgamal">elgamal</A> - elgamal encryption <DD><TT> eggen, egencrypt, egdecrypt, egsign, egverify, egpuballoc, egpubfree, egprivalloc, egprivfree, egsigalloc, egsigfree, egprivtopub</TT> </DT> <DT><A HREF="/magic/man2html/2/encode">encode</A> - encoding byte arrays as strings <DD><TT> dec64, enc64, dec32, enc32, dec16, enc16, encodefmt</TT> </DT> <DT><A HREF="/magic/man2html/2/encrypt">encrypt</A> - DES encryption <DD><TT> encrypt, decrypt, netcrypt</TT> </DT> <DT><A HREF="/magic/man2html/2/errstr">errstr</A> - description of last system call error <DD><TT> errstr, rerrstr, werrstr</TT> </DT> <DT><A HREF="/magic/man2html/2/event">event</A> - graphics events <DD><TT> event, einit, estart, estartfn, etimer, eread, emouse, ekbd, ecanread, ecanmouse, ecankbd, ereadmouse, eatomouse, eresized, egetrect, edrawgetrect, emenuhit, emoveto, esetcursor, Event, Mouse, Menu</TT> </DT> <DT><A HREF="/magic/man2html/2/exec">exec</A> - execute a file <DD><TT> exec, execl, _privates, _nprivates, _tos</TT> </DT> <DT><A HREF="/magic/man2html/2/exits">exits</A> - terminate process, process cleanup <DD><TT> exits, _exits, atexit, atexitdont, terminate</TT> </DT> <DT><A HREF="/magic/man2html/2/exp">exp</A> - exponential, logarithm, power, square root <DD><TT> exp, log, log10, pow, pow10, sqrt</TT> </DT> <DT><A HREF="/magic/man2html/2/fauth">fauth</A> - set up authentication on a file descriptor to a file server <DD><TT> fauth</TT> </DT> <DT><A HREF="/magic/man2html/2/fcall">fcall</A> - interface to Plan 9 File protocol <DD><TT> Fcall, convS2M, convD2M, convM2S, convM2D, fcallfmt, dirfmt, dirmodefmt, read9pmsg, statcheck, sizeS2M, sizeD2M</TT> </DT> <DT><A HREF="/magic/man2html/2/fd2path">fd2path</A> - return file name associated with file descriptor <DD><TT> fd2path</TT> </DT> <DT><A HREF="/magic/man2html/2/fgetc">fgetc</A> - Stdio input and output <DD><TT> fgetc, getc, getchar, fputc, putc, putchar, ungetc, fgets, gets, fputs, puts, fread, fwrite</TT> </DT> <DT><A HREF="/magic/man2html/2/flate">flate</A> - deflate compression <DD><TT> deflateinit, deflate, deflatezlib, deflateblock, deflatezlibblock, inflateinit, inflate, inflatezlib, inflateblock, inflatezlibblock, flateerr, mkcrctab, blockcrc, adler32</TT> </DT> <DT><A HREF="/magic/man2html/2/floor">floor</A> - absolute value, remainder, floor, ceiling functions <DD><TT> fabs, fmod, floor, ceil</TT> </DT> <DT><A HREF="/magic/man2html/2/fmtinstall">fmtinstall</A> - support for user-defined print formats and output routines <DD><TT> fmtinstall, dofmt, dorfmt, fmtprint, fmtvprint, fmtrune, fmtstrcpy, fmtrunestrcpy, fmtfdinit, fmtfdflush, fmtstrinit, fmtstrflush, runefmtstrinit, runefmtstrflush, errfmt</TT> </DT> <DT><A HREF="/magic/man2html/2/fopen">fopen</A> - standard buffered input/output package <DD><TT> fopen, freopen, fdopen, fileno, fclose, sopenr, sopenw, sclose, fflush, setvbuf, setbuf, fgetpos, ftell, fsetpos, fseek, rewind, feof, ferror, clearerr</TT> </DT> <DT><A HREF="/magic/man2html/2/fork">fork</A> - manipulate process resources <DD><TT> fork, rfork</TT> </DT> <DT><A HREF="/magic/man2html/2/fprintf">fprintf</A> - print formatted output <DD><TT> fprintf, printf, sprintf, snprintf, vfprintf, vprintf, vsprintf, vsnprintf</TT> </DT> <DT><A HREF="/magic/man2html/2/frame">frame</A> - frames of text <DD><TT> frinit, frsetrects, frinittick, frclear, frcharofpt, frptofchar, frinsert, frdelete, frselect, frtick, frselectpaint, frdrawsel, frdrawsel0, frgetmouse</TT> </DT> <DT><A HREF="/magic/man2html/2/frexp">frexp</A> - split into mantissa and exponent <DD><TT> frexp, ldexp, modf</TT> </DT> <DT><A HREF="/magic/man2html/2/fscanf">fscanf</A> - scan formatted input <DD><TT> fscanf, scanf, sscanf, vfscanf</TT> </DT> <DT><A HREF="/magic/man2html/2/fversion">fversion</A> - initialize 9P connection and negotiate version <DD><TT> fversion</TT> </DT> <DT><A HREF="/magic/man2html/2/getcallerpc">getcallerpc</A> - fetch return PC of current function <DD><TT> getcallerpc</TT> </DT> <DT><A HREF="/magic/man2html/2/getenv">getenv</A> - access environment variables <DD><TT> getenv, putenv</TT> </DT> <DT><A HREF="/magic/man2html/2/getfcr">getfcr</A> - control floating point <DD><TT> getfcr, setfcr, getfsr, setfsr</TT> </DT> <DT><A HREF="/magic/man2html/2/getfields">getfields</A> - break a string into fields <DD><TT> getfields, gettokens, tokenize</TT> </DT> <DT><A HREF="/magic/man2html/2/getpid">getpid</A> - get process ids <DD><TT> getpid, getppid</TT> </DT> <DT><A HREF="/magic/man2html/2/getuser">getuser</A> - get user or system name <DD><TT> getuser, sysname</TT> </DT> <DT><A HREF="/magic/man2html/2/getwd">getwd</A> - get current directory <DD><TT> getwd</TT> </DT> <DT><A HREF="/magic/man2html/2/graphics">graphics</A> - interactive graphics <DD><TT> Display, Point, Rectangle, Cursor, initdraw, geninitdraw, drawerror, initdisplay, closedisplay, getdefont, getwindow, gengetwindow, flushimage, bufimage, lockdisplay, unlockdisplay, openfont, buildfont, freefont, Pfmt, Rfmt, strtochan, chantostr, chantodepth</TT> </DT> <DT><A HREF="/magic/man2html/2/html">html</A> - HTML parser <DD><TT> parsehtml, printitems, validitems, freeitems, freedocinfo, dimenkind, dimenspec, targetid, targetname, fromStr, toStr</TT> </DT> <DT><A HREF="/magic/man2html/2/httpd">httpd</A> - routines for creating an http server <DD><TT> HConnect, HContent, HContents, HETag, HFields, Hio, Htmlesc, HttpHead, HttpReq, HRange, HSPairs, hmydomain, hversion, htmlesc, halloc, hbodypush, hbuflen, hcheckcontent, hclose, hdate2sec, hdatefmt, hfail, hflush, hgetc, hgethead, hinit, hiserror, hload, hlower, hmkcontent, hmkhfields, hmkmimeboundary, hmkspairs, hmoved, hokheaders, hparseheaders, hparsequery, hparsereq, hprint, hputc, hreadbuf, hredirected, hreqcleanup, hrevhfields, hrevspairs, hstrdup, http11, httpfmt, httpunesc, hunallowed, hungetc, hunload, hurlfmt, hurlunesc, hvprint, hwrite, hxferenc,</TT> </DT> <DT><A HREF="/magic/man2html/2/hypot">hypot</A> - Euclidean distance <DD><TT> hypot</TT> </DT> <DT><A HREF="/magic/man2html/2/intmap">intmap</A> - integer to data structure maps <DD><TT> Intmap, allocmap, freemap, insertkey, caninsertkey, lookupkey, deletekey</TT> </DT> <DT><A HREF="/magic/man2html/2/ioproc">ioproc</A> - slave I/O processes for threaded programs <DD><TT> closeioproc, iocall, ioclose, iointerrupt, iodial, ioopen, ioproc, ioread, ioreadn, iowrite</TT> </DT> <DT><A HREF="/magic/man2html/2/iounit">iounit</A> - return size of atomic I/O unit for file descriptor <DD><TT> iounit</TT> </DT> <DT><A HREF="/magic/man2html/2/ip">ip</A> - Internet Protocol addressing <DD><TT> eipfmt, parseip, parseipmask, v4parseip, v4parsecidr, parseether, myipaddr, myetheraddr, maskip, equivip4, equivip6, defmask, isv4, v4tov6, v6tov4, nhgetv, nhgetl, nhgets, hnputv, hnputl, hnputs, ptclbsum, readipifc</TT> </DT> <DT><A HREF="/magic/man2html/2/isalpharune">isalpharune</A> - Unicode character classes and cases <DD><TT> isalpharune, islowerrune, isspacerune, istitlerune, isupperrune, tolowerrune, totitlerune, toupperrune</TT> </DT> <DT><A HREF="/magic/man2html/2/keyboard">keyboard</A> - keyboard control <DD><TT> initkeyboard, ctlkeyboard, closekeyboard</TT> </DT> <DT><A HREF="/magic/man2html/2/lock">lock</A> - spin locks, queueing rendezvous locks, reader-writer locks, rendezvous points, and reference counts <DD><TT> lock, canlock, unlock, qlock, canqlock, qunlock, rlock, canrlock, runlock, wlock, canwlock, wunlock, rsleep, rwakeup, rwakeupall, incref, decref</TT> </DT> <DT><A HREF="/magic/man2html/2/mach">mach</A> - machine-independent access to executable files <DD><TT> crackhdr, machbytype, machbyname, newmap, setmap, findseg, unusemap, loadmap, attachproc, get1, get2, get4, get8, put1, put2, put4, put8, beswab, beswal, beswav, leswab, leswal, leswav</TT> </DT> <DT><A HREF="/magic/man2html/2/malloc">malloc</A> - memory allocator <DD><TT> malloc, mallocalign, mallocz, free, realloc, calloc, msize, setmalloctag, setrealloctag, getmalloctag, getrealloctag, malloctopoolblock</TT> </DT> <DT><A HREF="/magic/man2html/2/matrix">matrix</A> - Geometric transformations <DD><TT> ident, matmul, matmulr, determinant, adjoint, invertmat, xformpoint, xformpointd, xformplane, pushmat, popmat, rot, qrot, scale, move, xform, ixform, persp, look, viewport</TT> </DT> <DT><A HREF="/magic/man2html/2/memdraw">memdraw</A> - drawing routines for memory-resident images <DD><TT> Memimage, Memdata, Memdrawparam, memimageinit, wordaddr, byteaddr, memimagemove, allocmemimage, allocmemimaged, readmemimage, creadmemimage, writememimage, freememimage, memsetchan, loadmemimage, cloadmemimage, unloadmemimage, memfillcolor, memarc, mempoly, memellipse, memfillpoly, memimageline, memimagedraw, drawclip, memlinebbox, memlineendsize, allocmemsubfont, openmemsubfont, freememsubfont, memsubfontwidth, getmemdefont, memimagestring, iprint, hwdraw</TT> </DT> <DT><A HREF="/magic/man2html/2/memlayer">memlayer</A> - windows of memory-resident images <DD><TT> memdraw, memlalloc, memldelete, memlexpose, memlfree, memlhide, memline, memlnorefresh, memload, memunload, memlorigin, memlsetrefresh, memltofront, memltofrontn, memltorear, memltorearn</TT> </DT> <DT><A HREF="/magic/man2html/2/memory">memory</A> - memory operations <DD><TT> memccpy, memchr, memcmp, memcpy, memmove, memset</TT> </DT> <DT><A HREF="/magic/man2html/2/mktemp">mktemp</A> - make a unique file name <DD><TT> mktemp</TT> </DT> <DT><A HREF="/magic/man2html/2/mouse">mouse</A> - mouse control <DD><TT> initmouse, readmouse, closemouse, moveto, getrect, drawgetrect, menuhit, setcursor</TT> </DT> <DT><A HREF="/magic/man2html/2/mp">mp</A> - extended precision arithmetic <DD><TT> mpsetminbits, mpnew, mpfree, mpbits, mpnorm, mpcopy, mpassign, mprand, strtomp, mpfmt,mptoa, betomp, mptobe, letomp, mptole, mptoui, uitomp, mptoi, itomp, uvtomp, mptouv, vtomp, mptov, mpdigdiv, mpadd, mpsub, mpleft, mpright, mpmul, mpexp, mpmod, mpdiv, mpcmp, mpextendedgcd, mpinvert, mpsignif, mplowbits0, mpvecdigmuladd, mpvecdigmulsub, mpvecadd, mpvecsub, mpveccmp, mpvecmul, mpmagcmp, mpmagadd, mpmagsub, crtpre, crtin, crtout, crtprefree, crtresfree</TT> </DT> <DT><A HREF="/magic/man2html/2/muldiv">muldiv</A> - high-precision multiplication and division <DD><TT> muldiv, umuldiv</TT> </DT> <DT><A HREF="/magic/man2html/2/nan">nan</A> - not-a-number and infinity functions <DD><TT> NaN, Inf, isNaN, isInf</TT> </DT> <DT><A HREF="/magic/man2html/2/ndb">ndb</A> - network database <DD><TT> ndbopen, ndbcat, ndbchanged, ndbclose, ndbreopen, ndbsearch, ndbsnext, ndbgetvalue, ndbfree, ipattr, ndbgetipaddr, ndbipinfo, csipinfo, ndbhash, ndbparse, csgetvalue, ndbfindattr, dnsquery, ndbdiscard, ndbconcatenate, ndbreorder, ndbsubstitute, ndbgetval, csgetval, ndblookval</TT> </DT> <DT><A HREF="/magic/man2html/2/notify">notify</A> - handle asynchronous process notification <DD><TT> notify, noted, atnotify</TT> </DT> <DT><A HREF="/magic/man2html/2/object">object</A> - object file interpretation functions <DD><TT> objtype, readobj, objtraverse, isar, nextar, readar</TT> </DT> <DT><A HREF="/magic/man2html/2/open">open</A> - open a file for reading or writing, create file <DD><TT> open, create, close</TT> </DT> <DT><A HREF="/magic/man2html/2/perror">perror</A> - system error messages <DD><TT> perror, syslog, sysfatal</TT> </DT> <DT><A HREF="/magic/man2html/2/pipe">pipe</A> - create an interprocess channel <DD><TT> pipe</TT> </DT> <DT><A HREF="/magic/man2html/2/plumb">plumb</A> - plumb messages <DD><TT> eplumb, plumbfree, plumbopen, plumbsend, plumbsendtext, plumblookup, plumbpack, plumbpackattr, plumbaddattr, plumbdelattr, plumbrecv, plumbunpack, plumbunpackpartial, plumbunpackattr, Plumbmsg</TT> </DT> <DT><A HREF="/magic/man2html/2/pool">pool</A> - general memory management routines <DD><TT> poolalloc, poolallocalign, poolfree, poolmsize, poolrealloc, poolcompact, poolcheck, poolblockcheck, pooldump</TT> </DT> <DT><A HREF="/magic/man2html/2/postnote">postnote</A> - send a note to a process or process group <DD><TT> postnote</TT> </DT> <DT><A HREF="/magic/man2html/2/prime">prime</A> - prime number generation <DD><TT> genprime, gensafeprime, genstrongprime, DSAprimes, probably_prime, smallprimetest</TT> </DT> <DT><A HREF="/magic/man2html/2/print">print</A> - print formatted output <DD><TT> print, fprint, sprint, snprint, seprint, smprint, runesprint, runesnprint, runeseprint, runesmprint, vfprint, vsnprint, vseprint, vsmprint, runevsnprint, runevseprint, runevsmprint</TT> </DT> <DT><A HREF="/magic/man2html/2/privalloc">privalloc</A> - per-process private storage management <DD><TT> privalloc, privfree</TT> </DT> <DT><A HREF="/magic/man2html/2/proto">proto</A> - parse and process a proto file listing <DD><TT> rdproto</TT> </DT> <DT><A HREF="/magic/man2html/2/pushssl">pushssl</A> - attach SSL version 2 encryption to a communication channel <DD><TT> pushssl</TT> </DT> <DT><A HREF="/magic/man2html/2/pushtls">pushtls</A> - attach TLS1 or SSL3 encryption to a communication channel <DD><TT> pushtls, tlsClient, tlsServer, initThumbprints, freeThumbprints, okThumbprint, readcert, readcertchain</TT> </DT> <DT><A HREF="/magic/man2html/2/qball">qball</A> - 3-d rotation controller <DD><TT> qball</TT> </DT> <DT><A HREF="/magic/man2html/2/qsort">qsort</A> - quicker sort <DD><TT> qsort</TT> </DT> <DT><A HREF="/magic/man2html/2/quaternion">quaternion</A> - Quaternion arithmetic <DD><TT> qtom, mtoq, qadd, qsub, qneg, qmul, qdiv, qunit, qinv, qlen, slerp, qmid, qsqrt</TT> </DT> <DT><A HREF="/magic/man2html/2/quote">quote</A> - quoted character strings <DD><TT> quotestrdup, quoterunestrdup, unquotestrdup, unquoterunestrdup, quotestrfmt, quoterunestrfmt, quotefmtinstall, doquote, needsrcquote</TT> </DT> <DT><A HREF="/magic/man2html/2/rand">rand</A> - random number generators <DD><TT> rand, lrand, frand, nrand, lnrand, srand, truerand, ntruerand, genrandom, prng, fastrand, nfastrand</TT> </DT> <DT><A HREF="/magic/man2html/2/rc4">rc4</A> - alleged rc4 encryption <DD><TT> setupRC4state, rc4, rc4skip, rc4back</TT> </DT> <DT><A HREF="/magic/man2html/2/read">read</A> - read or write file <DD><TT> read, readn, write, pread, pwrite</TT> </DT> <DT><A HREF="/magic/man2html/2/readcolmap">readcolmap</A> - access display color map <DD><TT> RGB, readcolmap, writecolmap</TT> </DT> <DT><A HREF="/magic/man2html/2/readv">readv</A> - scatter/gather read and write <DD><TT> readv, writev, preadv, pwritev</TT> </DT> <DT><A HREF="/magic/man2html/2/regexp">regexp</A> - regular expression <DD><TT> regcomp, regcomplit, regcompnl, regexec, regsub, rregexec, rregsub, regerror</TT> </DT> <DT><A HREF="/magic/man2html/2/remove">remove</A> - remove a file <DD><TT> remove</TT> </DT> <DT><A HREF="/magic/man2html/2/rendezvous">rendezvous</A> - user level process synchronization <DD><TT> rendezvous</TT> </DT> <DT><A HREF="/magic/man2html/2/rsa">rsa</A> - RSA encryption algorithm <DD><TT> asn1dump, asn1toRSApriv, decodePEM, rsadecrypt, rsaencrypt, rsagen, rsaprivalloc, rsaprivfree, rsaprivtopub, rsapuballoc, rsapubfree, X509toRSApub, X509gen, X509verify</TT> </DT> <DT><A HREF="/magic/man2html/2/rune">rune</A> - rune/UTF conversion <DD><TT> runetochar, chartorune, runelen, runenlen, fullrune, utfecpy, utflen, utfnlen, utfrune, utfrrune, utfutf</TT> </DT> <DT><A HREF="/magic/man2html/2/runestrcat">runestrcat</A> - rune string operations <DD><TT> runestrcat, runestrncat, runestrcmp, runestrncmp, runestrcpy, runestrncpy, runestrecpy, runestrlen, runestrchr, runestrrchr, runestrdup, runestrstr</TT> </DT> <DT><A HREF="/magic/man2html/2/scribble">scribble</A> - character recognition <DD><TT> scribblealloc, recognize</TT> </DT> <DT><A HREF="/magic/man2html/2/scsi">scsi</A> - SCSI device operations <DD><TT> openscsi, closescsi, scsiready, scsi, scsicmd, scsierror</TT> </DT> <DT><A HREF="/magic/man2html/2/sechash">sechash</A> - cryptographically secure hashes <DD><TT> md4, md5, sha1, sha2_224, sha2_256, sha2_384, sha2_512, aes, hmac_x, hmac_md5, hmac_sha1, hmac_sha2_224, hmac_sha2_256, hmac_sha2_384, hmac_sha2_512, hmac_aes, md5pickle, md5unpickle, sha1pickle, sha1unpickle</TT> </DT> <DT><A HREF="/magic/man2html/2/seek">seek</A> - change file offset <DD><TT> seek</TT> </DT> <DT><A HREF="/magic/man2html/2/segattach">segattach</A> - map/unmap a segment in virtual memory <DD><TT> segattach, segdetach, segfree</TT> </DT> <DT><A HREF="/magic/man2html/2/segbrk">segbrk</A> - change memory allocation <DD><TT> segbrk</TT> </DT> <DT><A HREF="/magic/man2html/2/segflush">segflush</A> - flush instruction and data caches <DD><TT> segflush</TT> </DT> <DT><A HREF="/magic/man2html/2/semacquire">semacquire</A> - user level semaphores <DD><TT> semacquire, semrelease</TT> </DT> <DT><A HREF="/magic/man2html/2/setjmp">setjmp</A> - non-local goto <DD><TT> setjmp, longjmp, notejmp</TT> </DT> <DT><A HREF="/magic/man2html/2/sin">sin</A> - trigonometric functions <DD><TT> sin, cos, tan, asin, acos, atan, atan2</TT> </DT> <DT><A HREF="/magic/man2html/2/sinh">sinh</A> - hyperbolic functions <DD><TT> sinh, cosh, tanh</TT> </DT> <DT><A HREF="/magic/man2html/2/sleep">sleep</A> - delay, ask for delayed note <DD><TT> sleep, alarm</TT> </DT> <DT><A HREF="/magic/man2html/2/stat">stat</A> - get and put file status <DD><TT> stat, fstat, wstat, fwstat, dirstat, dirfstat, dirwstat, dirfwstat, nulldir</TT> </DT> <DT><A HREF="/magic/man2html/2/strcat">strcat</A> - string operations <DD><TT> strcat, strncat, strcmp, strncmp, cistrcmp, cistrncmp, strcpy, strncpy, strecpy, strlen, strchr, strrchr, strpbrk, strspn, strcspn, strtok, strdup, strstr, cistrstr</TT> </DT> <DT><A HREF="/magic/man2html/2/string">string</A> - extensible strings <DD><TT> s_alloc, s_append, s_array, s_copy, s_error, s_free, s_incref, s_memappend, s_nappend, s_new, s_newalloc, s_parse, s_reset, s_restart, s_terminate, s_tolower, s_putc, s_unique, s_grow, s_read, s_read_line, s_getline</TT> </DT> <DT><A HREF="/magic/man2html/2/stringsize">stringsize</A> - graphical size of strings <DD><TT> stringsize, stringwidth, stringnwidth, runestringsize, runestringwidth, runestringnwidth</TT> </DT> <DT><A HREF="/magic/man2html/2/subfont">subfont</A> - subfont manipulation <DD><TT> allocsubfont, freesubfont, installsubfont, lookupsubfont, uninstallsubfont, subfontname, readsubfont, readsubfonti, writesubfont, stringsubfont, strsubfontwidth, mkfont</TT> </DT> <DT><A HREF="/magic/man2html/2/symbol">symbol</A> - symbol table access functions <DD><TT> syminit, getsym, symbase, pc2sp, pc2line, textseg, line2addr, lookup, findlocal, getauto, findsym, localsym, globalsym, textsym, file2pc, fileelem, filesym, fileline, fnbound</TT> </DT> <DT><A HREF="/magic/man2html/2/thread">thread</A> - thread and proc management <DD><TT> alt, chanclose, chancreate, chanfree, chaninit, chanclosing, chanprint, mainstacksize, proccreate, procdata, procexec, procexecl, procrfork, recv, recvp, recvul, send, sendp, sendul, nbrecv, nbrecvp, nbrecvul, nbsend, nbsendp, nbsendul, threadcreate, threaddata, threadexits, threadexitsall, threadgetgrp, threadgetname, threadint, threadintgrp, threadkill, threadkillgrp, threadmain, threadnotify, threadid, threadpid, threadsetgrp, threadsetname, threadwaitchan, yield</TT> </DT> <DT><A HREF="/magic/man2html/2/time">time</A> - time in seconds and nanoseconds since epoch <DD><TT> time, nsec</TT> </DT> <DT><A HREF="/magic/man2html/2/tmpfile">tmpfile</A> - Stdio temporary files <DD><TT> tmpfile, tmpnam</TT> </DT> <DT><A HREF="/magic/man2html/2/usb">usb</A> - USB device driver library <DD><TT> usbcmd, classname, closedev, configdev, devctl, finddevs, loaddevstr, matchdevcsp, opendev, opendevdata, openep, startdevs, unstall, class, subclass, proto, CSP</TT> </DT> <DT><A HREF="/magic/man2html/2/usbfs">usbfs</A> - USB device driver file system library <DD><TT> usbreadbuf, usbfsadd, usbfsdel, usbdirread, usbfsinit, usbdirfs, usbfs</TT> </DT> <DT><A HREF="/magic/man2html/2/venti">venti</A> - archival storage server <DD><TT> venti</TT> </DT> <DT><A HREF="/magic/man2html/2/venti-cache">venti-cache</A> - Venti block cache <DD><TT> VtBlock, VtCache, vtblockcopy, vtblockdirty, vtblockduplock, vtblockput, vtblockwrite, vtcachealloc, vtcacheallocblock, vtcacheblocksize, vtcachefree, vtcacheglobal, vtcachelocal, vtcachesetwrite, vtglobaltolocal, vtlocaltoglobal</TT> </DT> <DT><A HREF="/magic/man2html/2/venti-client">venti-client</A> - Venti client <DD><TT> vtconnect, vthello, vtread, vtwrite, vtreadpacket, vtwritepacket, vtsync, vtping, vtrpc, ventidoublechecksha1</TT> </DT> <DT><A HREF="/magic/man2html/2/venti-conn">venti-conn</A> - Venti network connections <DD><TT> VtConn, vtconn, vtdial, vtfreeconn, vtsend, vtrecv, vtversion, vtdebug, vthangup</TT> </DT> <DT><A HREF="/magic/man2html/2/venti-fcall">venti-fcall</A> - venti data formats <DD><TT> VtEntry, VtFcall, VtRoot, vtentrypack, vtentryunpack, vtfcallclear, vtfcallfmt, vtfcallpack, vtfcallunpack, vtfromdisktype, vttodisktype, vtgetstring, vtputstring, vtrootpack, vtrootunpack, vtparsescore, vtscorefmt</TT> </DT> <DT><A HREF="/magic/man2html/2/venti-file">venti-file</A> - Venti files <DD><TT> VtFile, vtfileblock, vtfileblockscore, vtfileclose, vtfilecreate, vtfilecreateroot, vtfileflush, vtfileflushbefore, vtfilegetdirsize, vtfilegetentry, vtfilegetsize, vtfileincref, vtfilelock, vtfilelock2, vtfileopen, vtfileopenroot, vtfileread, vtfileremove, vtfilesetdirsize, vtfilesetentry, vtfilesetsize, vtfiletruncate, vtfileunlock, vtfilewrite</TT> </DT> <DT><A HREF="/magic/man2html/2/venti-log">venti-log</A> - Venti logs <DD><TT> VtLog, VtLogChunk, vtlog, vtlogclose, vtlogdump, vtlognames, vtlogopen, vtlogprint, vtlogremove, vtlogopen, ventilogging</TT> </DT> <DT><A HREF="/magic/man2html/2/venti-mem">venti-mem</A> - error-checking memory allocators <DD><TT> vtbrk, vtmalloc, vtmallocz, vtrealloc, vtstrdup, vtfree</TT> </DT> <DT><A HREF="/magic/man2html/2/venti-packet">venti-packet</A> - zero-copy network buffers <DD><TT> Packet, packetalloc, packetappend, packetasize, packetcmp, packetconcat, packetconsume, packetcopy, packetdup, packetforeign, packetfragments, packetfree, packetheader, packetpeek, packetprefix, packetsha1, packetsize, packetsplit, packetstats, packettrailer, packettrim</TT> </DT> <DT><A HREF="/magic/man2html/2/venti-server">venti-server</A> - Venti server <DD><TT> vtsrvhello, vtlisten, vtgetreq, vtrespond</TT> </DT> <DT><A HREF="/magic/man2html/2/venti-zero">venti-zero</A> - Venti block truncation <DD><TT> vtzerotruncate, vtzeroextend, vtzeroscore</TT> </DT> <DT><A HREF="/magic/man2html/2/wait">wait</A> - wait for a process to exit <DD><TT> await, wait, waitpid</TT> </DT> <DT><A HREF="/magic/man2html/2/window">window</A> - window management <DD><TT> Screen, allocscreen, publicscreen, freescreen, allocwindow, bottomwindow, bottomnwindows, topwindow, topnwindows, originwindow</TT> </DT> </DL>