| intro, 0intro | introduction to library functions |
| Srv, dirread9p, emalloc9p, erealloc9p, estrdup9p, postfd, postmountsrv, readbuf, readstr, respond, threadpostmountsrv, srv, 9p | 9P file service |
| Cmdbuf, parsecmd, respondcmderror, lookupcmd, 9pcmdbuf | control message parsing |
| Fid, Fidpool, allocfidpool, freefidpool, allocfid, closefid, lookupfid, removefid, Req, Reqpool, allocreqpool, freereqpool, allocreq, closereq, lookupreq, removereq, 9pfid | 9P fid, request tracking |
| Tree, alloctree, freetree, File, createfile, closefile, removefile, walkfile, opendirfile, readdirfile, closedirfile, hasperm, 9pfile | in-memory file hierarchy |
| abort | generate a fault |
| labs, abs | integer absolute values |
| access | determine accessibility of file |
| subpt, mulpt, divpt, rectaddpt, rectsubpt, insetrect, canonrect, eqpt, eqrect, ptinrect, rectinrect, rectXrect, rectclip, combinerect, Dx, Dy, Pt, Rect, Rpt, addpt | arithmetic on points and rectangles |
| setupAESstate, aesCBCencrypt, aesCBCdecrypt, aes | advanced encryption standard (rijndael) |
| allocimagemix, freeimage, nameimage, namedimage, setalpha, loadimage, cloadimage, unloadimage, readimage, writeimage, bytesperline, wordsperline, allocimage | allocating, freeing, reading, writing images |
| ARGBEGIN, ARGEND, ARGC, ARGF, EARGF, arginit, argopt, arg | process option letters from argv |
| 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, arith3 | operations on 3-d points and planes |
| assert | check program invariants |
| atoi, atol, atoll, charstod, strtod, strtol, strtoll, strtoul, strtoull, atof | convert text to numbers |
| 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, auth | routines for authenticating users |
| authdial, passtokey, nvcsum, readnvram, convT2M, convM2T, convTR2M, convM2TR, convA2M, convM2A, convPR2M, convM2PR, _asgetticket, _asrdresp, authsrv | routines for communicating with authentication servers |
| binalloc, bingrow, binfree, bin | grouped memory allocation |
| mount, unmount, bind | change name space |
| Bopen, Binit, Binits, Brdline, Brdstr, Bgetc, Bgetrune, Bgetd, Bungetc, Bungetrune, Bread, Bseek, Boffset, Bfildes, Blinelen, Bputc, Bputrune, Bprint, Bvprint, Bwrite, Bflush, Bterm, Bbuffered, bio | buffered input/output |
| setupBFstate, bfCBCencrypt, bfCBCdecrypt, bfECBencrypt, bfECBdecrypt, blowfish | blowfish encryption |
| sbrk, brk | change memory allocation |
| agefont, loadchar, Subfont, Fontchar, Font, cachechars | font utilities |
| chdir | change working directory |
| cleanname | clean a path name |
| cmap2rgb, cmap2rgba, rgb2cmap, color | colors and color maps |
| complete | file name completion |
| 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, control | interactive graphical controls |
| times, cputime | cpu time in this process and children |
| localtime, gmtime, asctime, tm2sec, timezone, ctime | convert date and time |
| isalpha, isupper, islower, isdigit, isxdigit, isalnum, isspace, ispunct, isprint, isgraph, iscntrl, isascii, toascii, _toupper, _tolower, toupper, tolower, ctype | ASCII character classification |
| cisctrace, risctrace, ciscframe, riscframe, localaddr, symoff, fpformat, beieee80ftos, beieeesftos, beieeedftos, leieee80ftos, leieeesftos, leieeedftos, ieeesftos, ieeedftos, debugger | machine-independent debugger functions |
| setupDESstate, des_key_setup, block_cipher, desCBCencrypt, desCBCdecrypt, desECBencrypt, desECBdecrypt, des3CBCencrypt, des3CBCdecrypt, des3ECBencrypt, des3ECBdecrypt, key_setup, des56to64, des64to56, setupDES3state, triple_block_cipher, des | single and triple digital encryption standard |
| hangup, announce, listen, accept, reject, netmkaddr, setnetmtpt, getnetconninfo, freenetconninfo, dial | make and break network connections |
| dirreadall, dirread | read directory |
| opendisk, Disk, disk | generic disk device interface |
| Image, 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, draw | graphics functions |
| dsagen, dsasign, dsaverify, dsapuballoc, dsapubfree, dsaprivalloc, dsaprivfree, dsasigalloc, dsasigfree, dsaprivtopub, dsa | digital signature algorithm |
| dup | duplicate an open file descriptor |
| eggen, egencrypt, egdecrypt, egsign, egverify, egpuballoc, egpubfree, egprivalloc, egprivfree, egsigalloc, egsigfree, egprivtopub, elgamal | elgamal encryption |
| dec64, enc64, dec32, enc32, dec16, enc16, encodefmt, encode | encoding byte arrays as strings |
| decrypt, netcrypt, encrypt | DES encryption |
| rerrstr, werrstr, errstr | description of last system call error |
| einit, estart, estartfn, etimer, eread, emouse, ekbd, ecanread, ecanmouse, ecankbd, ereadmouse, eatomouse, eresized, egetrect, edrawgetrect, emenuhit, emoveto, esetcursor, Event, Mouse, Menu, event | graphics events |
| execl, _clock, _privates, _nprivates, exec | execute a file |
| _exits, atexit, atexitdont, terminate, exits | terminate process, process cleanup |
| log, log10, pow, pow10, sqrt, exp | exponential, logarithm, power, square root |
| fauth | set up authentication on a file descriptor to a file server |
| Fcall, convS2M, convD2M, convM2S, convM2D, fcallfmt, dirfmt, dirmodefmt, read9pmsg, statcheck, sizeS2M, sizeD2M, fcall | interface to Plan 9 File protocol |
| fd2path | return file name associated with file descriptor |
| getc, getchar, fputc, putc, putchar, ungetc, fgets, gets, fputs, puts, fread, fwrite, fgetc | Stdio input and output |
| deflateinit, deflate, deflatezlib, deflateblock, deflatezlibblock, inflateinit, inflate, inflatezlib, inflateblock, inflatezlibblock, flateerr, mkcrctab, blockcrc, adler32, flate | deflate compression |
| fabs, fmod, ceil, floor | absolute value, remainder, floor, ceiling functions |
| dofmt, dorfmt, fmtprint, fmtvprint, fmtrune, fmtstrcpy, fmtrunestrcpy, fmtfdinit, fmtfdflush, fmtstrinit, fmtstrflush, runefmtstrinit, runefmtstrflush, errfmt, fmtinstall | support for user-defined print formats and output routines |
| freopen, fdopen, fileno, fclose, sopenr, sopenw, sclose, fflush, setvbuf, setbuf, fgetpos, ftell, fsetpos, fseek, rewind, feof, ferror, clearerr, fopen | standard buffered input/output package |
| rfork, fork | manipulate process resources |
| printf, sprintf, snprintf, vfprintf, vprintf, vsprintf, vsnprintf, fprintf | print formatted output |
| frinit, frsetrects, frinittick, frclear, frcharofpt, frptofchar, frinsert, frdelete, frselect, frtick, frselectpaint, frdrawsel, frdrawsel0, frgetmouse, frame | frames of text |
| ldexp, modf, frexp | split into mantissa and exponent |
| scanf, sscanf, vfscanf, fscanf | scan formatted input |
| fversion | initialize 9P connection and negotiate version |
| prng, genrandom | random number generation |
| getcallerpc | fetch return PC of current function |
| putenv, getenv | access environment variables |
| setfcr, getfsr, setfsr, getfcr | control floating point |
| gettokens, tokenize, getfields | break a string into fields |
| getppid, getpid | get process ids |
| sysname, getuser | get user or system name |
| getwd | get current directory |
| Display, Point, Rectangle, Cursor, initdraw, geninitdraw, drawerror, initdisplay, closedisplay, getdefont, getwindow, gengetwindow, flushimage, bufimage, lockdisplay, unlockdisplay, cursorswitch, cursorset, openfont, buildfont, freefont, Pfmt, Rfmt, strtochan, chantostr, chantodepth, graphics | interactive graphics |
| parsehtml, printitems, validitems, freeitems, freedocinfo, dimenkind, dimenspec, targetid, targetname, fromStr, toStr, html | HTML parser |
| 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, httpd | routines for creating an http server |
| hypot | Euclidean distance |
| Intmap, allocmap, freemap, insertkey, caninsertkey, lookupkey, deletekey, intmap | integer to data structure maps |
| closeioproc, iocall, ioclose, iointerrupt, iodial, ioopen, ioread, ioreadn, iowrite, ioproc | slave I/O processes for threaded programs |
| iounit | return size of atomic I/O unit for file descriptor |
| eipfmt, parseip, parseipmask, v4parseip, v4parsecidr, parseether, myipaddr, myetheraddr, maskip, equivip4, equivip6, defmask, isv4, v4tov6, v6tov4, nhgetv, nhgetl, nhgets, hnputv, hnputl, hnputs, ptclbsum, readipifc, ip | Internet protocol |
| islowerrune, isspacerune, istitlerune, isupperrune, tolowerrune, totitlerune, toupperrune, isalpharune | Unicode character classes and cases |
| initkeyboard, ctlkeyboard, closekeyboard, keyboard | keyboard control |
| canlock, unlock, qlock, canqlock, qunlock, rlock, canrlock, runlock, wlock, canwlock, wunlock, rsleep, rwakeup, rwakeupall incref, decref, lock | spin locks, queueing rendezvous locks, reader-writer locks, rendezvous points, and reference counts |
| crackhdr, machbytype, machbyname, newmap, setmap, findseg, unusemap, loadmap, attachproc, get1, get2, get4, get8, put1, put2, put4, put8, beswab, beswal, beswav, leswab, leswal, leswav, mach | machine-independent access to executable files |
| mallocalign, mallocz, free, realloc, calloc, msize, setmalloctag, setrealloctag, getmalloctag, getrealloctag, malloctopoolblock, malloc | memory allocator |
| ident, matmul, matmulr, determinant, adjoint, invertmat, xformpoint, xformpointd, xformplane, pushmat, popmat, rot, qrot, scale, move, xform, ixform, persp, look, viewport, matrix | Geometric transformations |
| 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, memdraw | drawing routines for memory-resident images |
| memdraw, memlalloc, memldelete, memlexpose, memlfree, memlhide, memline, memlnorefresh, memload, memunload, memlorigin, memlsetrefresh, memltofront, memltofrontn, memltorear, memltorearn, memlayer | windows of memory-resident images |
| memccpy, memchr, memcmp, memcpy, memmove, memset, memory | memory operations |
| mktemp | make a unique file name |
| initmouse, readmouse, closemouse, moveto, cursorswitch, getrect, drawgetrect, menuhit, setcursor, mouse | mouse control |
| 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, mp | extended precision arithmetic |
| umuldiv, muldiv | high-precision multiplication and division |
| NaN, Inf, isNaN, isInf, nan | not-a-number and infinity functions |
| 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, ndb | network database |
| noted, atnotify, notify | handle asynchronous process notification |
| objtype, readobj, objtraverse, isar, nextar, readar, object | object file interpretation functions |
| create, close, open | open a file for reading or writing, create file |
| syslog, sysfatal, perror | system error messages |
| pipe | create an interprocess channel |
| eplumb, plumbfree, plumbopen, plumbsend, plumbsendtext, plumblookup, plumbpack, plumbpackattr, plumbaddattr, plumbdelattr, plumbrecv, plumbunpack, plumbunpackpartial, plumbunpackattr, Plumbmsg, plumb | plumb messages |
| poolalloc, poolallocalignspan, poolfree, poolmsize, poolrealloc, poolcompact, poolcheck, poolblockcheck, pooldump, pool | general memory management routines |
| postnote | send a note to a process or process group |
| genprime, gensafeprime, genstrongprime, DSAprimes, probably_prime, smallprimetest, prime | prime number generation |
| fprint, sprint, snprint, seprint, smprint, runesprint, runesnprint, runeseprint, runesmprint, vfprint, vsnprint, vseprint, vsmprint, runevsnprint, runevseprint, runevsmprint, print | print formatted output |
| privfree, privalloc | per-process private storage management |
| rdproto, proto | parse and process a proto file listing |
| pushssl | attach SSL version 2 encryption to a communication channel |
| tlsClient, tlsServer, initThumbprints, freeThumbprints, okThumbprint, readcert, readcertchain, pushtls | attach TLS1 or SSL3 encryption to a communication channel |
| qball | 3-d rotation controller |
| qsort | quicker sort |
| qtom, mtoq, qadd, qsub, qneg, qmul, qdiv, qunit, qinv, qlen, slerp, qmid, qsqrt, quaternion | Quaternion arithmetic |
| quotestrdup, quoterunestrdup, unquotestrdup, unquoterunestrdup, quotestrfmt, quoterunestrfmt, quotefmtinstall, doquote, needsrcquote, quote | quoted character strings |
| lrand, frand, nrand, lnrand, srand, truerand, ntruerand, fastrand, nfastrand, rand | random number generator |
| setupRC4state, rc4skip, rc4back, rc4 | alleged rc4 encryption |
| readn, write, pread, pwrite, read | read or write file |
| RGB, writecolmap, readcolmap | access display color map |
| writev, preadv, pwritev, readv | scatter/gather read and write |
| regcomp, regcomplit, regcompnl, regexec, regsub, rregexec, rregsub, regerror, regexp | regular expression |
| remove | remove a file |
| rendezvous | user level process synchronization |
| asn1dump, asn1toRSApriv, decodePEM, rsadecrypt, rsaencrypt, rsagen, rsaprivalloc, rsaprivfree, rsaprivtopub, rsapuballoc, rsapubfree, X509toRSApub, X509gen, X509verify, rsa | RSA encryption algorithm |
| runetochar, chartorune, runelen, runenlen, fullrune, utfecpy, utflen, utfnlen, utfrune, utfrrune, utfutf, rune | rune/UTF conversion |
| runestrncat, runestrcmp, runestrncmp, runestrcpy, runestrncpy, runestrecpy, runestrlen, runestrchr, runestrrchr, runestrdup, runestrstr, runestrcat | rune string operations |
| scribblealloc, recognize, scribble | character recognition |
| openscsi, scsiready, scsicmd, scsierror, scsi | SCSI device operations |
| md4, md5, sha1, hmac_md5, hmac_sha1, md5pickle, md5unpickle, sha1pickle, sha1unpickle, sechash | cryptographically secure hashes |
| seek | change file offset |
| segdetach, segfree, segattach | map/unmap a segment in virtual memory |
| segbrk | change memory allocation |
| segflush | flush instruction and data caches |
| longjmp, notejmp, setjmp | non-local goto |
| cos, tan, asin, acos, atan, atan2, sin | trigonometric functions |
| cosh, tanh, sinh | hyperbolic functions |
| alarm, sleep | delay, ask for delayed note |
| fstat, wstat, fwstat, dirstat, dirfstat, dirwstat, dirfwstat, nulldir, stat | get and put file status |
| strncat, strcmp, strncmp, cistrcmp, cistrncmp, strcpy, strncpy, strecpy, strlen, strchr, strrchr, strpbrk, strspn, strcspn, strtok, strdup, strstr, cistrstr, strcat | string operations |
| 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, string | extensible strings |
| stringwidth, stringnwidth, runestringsize, runestringwidth, runestringnwidth, stringsize | graphical size of strings |
| allocsubfont, freesubfont, installsubfont, lookupsubfont, uninstallsubfont, subfontname, readsubfont, readsubfonti, writesubfont, stringsubfont, strsubfontwidth, mkfont, subfont | subfont manipulation |
| syminit, getsym, symbase, pc2sp, pc2line, textseg, line2addr, lookup, findlocal, getauto, findsym, localsym, globalsym, textsym, file2pc, fileelem, filesym, fileline, fnbound, symbol | symbol table access functions |
| alt, chancreate, chanfree, chaninit, 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, thread | thread and proc management |
| nsec, time | time in seconds and nanoseconds since epoch |
| tmpnam, tmpfile | Stdio temporary files |
| await, waitpid, wait | wait for a process to exit |
| Screen, allocscreen, publicscreen, freescreen, allocwindow, bottomwindow, bottomnwindows, topwindow, topnwindows, originwindow, window | window management |