Plan 9 from Bell Labs - Section 2 - System and Library Calls

0intro - introduction to library functions

intro

9p - 9P file service

Srv, dirread9p, emalloc9p, erealloc9p, estrdup9p, listensrv, postfd, postmountsrv, readbuf, readstr, respond, responderror, threadlistensrv, threadpostmountsrv, srv

9pcmdbuf - control message parsing

Cmdbuf, parsecmd, respondcmderror, lookupcmd

9pfid - 9P fid, request tracking

Fid, Fidpool, allocfidpool, freefidpool, allocfid, closefid, lookupfid, removefid, Req, Reqpool, allocreqpool, freereqpool, allocreq, closereq, lookupreq, removereq

9pfile - in-memory file hierarchy

Tree, alloctree, freetree, File, createfile, closefile, removefile, walkfile, opendirfile, readdirfile, closedirfile, hasperm

abort - generate a fault

abort

abs - integer absolute values

abs, labs

access - determine accessibility of file

access

addpt - arithmetic on points and rectangles

addpt, subpt, mulpt, divpt, rectaddpt, rectsubpt, insetrect, canonrect, eqpt, eqrect, ptinrect, rectinrect, rectXrect, rectclip, combinerect, Dx, Dy, Pt, Rect, Rpt

aes - advanced encryption standard (rijndael)

setupAESstate, aesCBCencrypt, aesCBCdecrypt, aesCTRencrypt, aesCTRdecrypt, setupAESXCBCstate, aesXCBCmac

allocimage - allocating, freeing, reading, writing images

allocimage, allocimagemix, freeimage, nameimage, namedimage, setalpha, loadimage, cloadimage, unloadimage, readimage, writeimage, bytesperline, wordsperline

arg - process option letters from argv

ARGBEGIN, ARGEND, ARGC, ARGF, EARGF

arith3 - operations on 3-d points and planes

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

assert - check program invariants

assert

atof - convert text to numbers

atof, atoi, atol, atoll, charstod, strtod, strtol, strtoll, strtoul, strtoull

auth - routines for authenticating users

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

authsrv - routines for communicating with authentication servers

authdial, passtokey, nvcsum, readnvram, convT2M, convM2T, convTR2M, convM2TR, convA2M, convM2A, convPR2M, convM2PR, _asgetticket, _asrdresp

avl - AVL tree routines

mkavltree, insertavl, lookupavl, deleteavl, avlwalk, avlnext, avlprev, endwalk

bin - grouped memory allocation

binalloc, bingrow, binfree

bind - change name space

bind, mount, unmount

bio - buffered input/output

Bopen, Binit, Binits, Brdline, Brdstr, Bgetc, Bgetrune, Bgetd, Bungetc, Bungetrune, Bread, Bseek, Boffset, Bfildes, Blinelen, Bputc, Bputrune, Bprint, Bvprint, Bwrite, Bflush, Bterm, Bbuffered

blowfish - blowfish encryption

setupBFstate, bfCBCencrypt, bfCBCdecrypt, bfECBencrypt, bfECBdecrypt

brk - change memory allocation

brk, sbrk

cachechars - font utilities

cachechars, agefont, loadchar, Subfont, Fontchar, Font

chdir - change working directory

chdir

cleanname - clean a path name

cleanname

color - colors and color maps

cmap2rgb, cmap2rgba, rgb2cmap

complete - file name completion

complete

control - interactive graphical controls

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

cputime - cpu time in this process and children

cputime, times, cycles

ctime - convert date and time

ctime, localtime, gmtime, asctime, tm2sec, timezone

ctype - ASCII character classification

isalpha, isupper, islower, isdigit, isxdigit, isalnum, isspace, ispunct, isprint, isgraph, iscntrl, isascii, toascii, _toupper, _tolower, toupper, tolower

debugger - machine-independent debugger functions

cisctrace, risctrace, ciscframe, riscframe, localaddr, symoff, fpformat, beieee80ftos, beieeesftos, beieeedftos, leieee80ftos, leieeesftos, leieeedftos, ieeesftos, ieeedftos

des - single and triple digital encryption standard

setupDESstate, des_key_setup, block_cipher, desCBCencrypt, desCBCdecrypt, desECBencrypt, desECBdecrypt, des3CBCencrypt, des3CBCdecrypt, des3ECBencrypt, des3ECBdecrypt, key_setup, des56to64, des64to56, setupDES3state, triple_block_cipher

dial - make and break network connections

dial, hangup, announce, listen, accept, reject, netmkaddr, setnetmtpt, getnetconninfo, freenetconninfo

dirread - read directory

dirread, dirreadall

disk - generic disk device interface

opendisk, Disk

draw - graphics functions PB L

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

dsa - digital signature algorithm

dsagen, dsasign, dsaverify, dsapuballoc, dsapubfree, dsaprivalloc, dsaprivfree, dsasigalloc, dsasigfree, dsaprivtopub

dup - duplicate an open file descriptor

dup

elgamal - elgamal encryption

eggen, egencrypt, egdecrypt, egsign, egverify, egpuballoc, egpubfree, egprivalloc, egprivfree, egsigalloc, egsigfree, egprivtopub

encode - encoding byte arrays as strings

dec64, enc64, dec32, enc32, dec16, enc16, encodefmt

encrypt - DES encryption

encrypt, decrypt, netcrypt

errstr - description of last system call error

errstr, rerrstr, werrstr

event - graphics events

event, einit, estart, estartfn, etimer, eread, emouse, ekbd, ecanread, ecanmouse, ecankbd, ereadmouse, eatomouse, eresized, egetrect, edrawgetrect, emenuhit, emoveto, esetcursor, Event, Mouse, Menu

exec - execute a file

exec, execl, _privates, _nprivates, _tos

exits - terminate process, process cleanup

exits, _exits, atexit, atexitdont, terminate

exp - exponential, logarithm, power, square root

exp, log, log10, pow, pow10, sqrt

fauth - set up authentication on a file descriptor to a file server

fauth

fcall - interface to Plan 9 File protocol

Fcall, convS2M, convD2M, convM2S, convM2D, fcallfmt, dirfmt, dirmodefmt, read9pmsg, statcheck, sizeS2M, sizeD2M

fd2path - return file name associated with file descriptor

fd2path

fgetc - Stdio input and output

fgetc, getc, getchar, fputc, putc, putchar, ungetc, fgets, gets, fputs, puts, fread, fwrite

flate - deflate compression

deflateinit, deflate, deflatezlib, deflateblock, deflatezlibblock, inflateinit, inflate, inflatezlib, inflateblock, inflatezlibblock, flateerr, mkcrctab, blockcrc, adler32

floor - absolute value, remainder, floor, ceiling functions

fabs, fmod, floor, ceil

fmtinstall - support for user-defined print formats and output routines

fmtinstall, dofmt, dorfmt, fmtprint, fmtvprint, fmtrune, fmtstrcpy, fmtrunestrcpy, fmtfdinit, fmtfdflush, fmtstrinit, fmtstrflush, runefmtstrinit, runefmtstrflush, errfmt

fopen - standard buffered input/output package

fopen, freopen, fdopen, fileno, fclose, sopenr, sopenw, sclose, fflush, setvbuf, setbuf, fgetpos, ftell, fsetpos, fseek, rewind, feof, ferror, clearerr

fork - manipulate process resources

fork, rfork

fprintf - print formatted output

fprintf, printf, sprintf, snprintf, vfprintf, vprintf, vsprintf, vsnprintf

frame - frames of text

frinit, frsetrects, frinittick, frclear, frcharofpt, frptofchar, frinsert, frdelete, frselect, frtick, frselectpaint, frdrawsel, frdrawsel0, frgetmouse

frexp - split into mantissa and exponent

frexp, ldexp, modf

fscanf - scan formatted input

fscanf, scanf, sscanf, vfscanf

fversion - initialize 9P connection and negotiate version

fversion

getcallerpc - fetch return PC of current function

getcallerpc

getenv - access environment variables

getenv, putenv

getfcr - control floating point

getfcr, setfcr, getfsr, setfsr

getfields - break a string into fields

getfields, gettokens, tokenize

getpid - get process ids

getpid, getppid

getuser - get user or system name

getuser, sysname

getwd - get current directory

getwd

graphics - interactive graphics

Display, Point, Rectangle, Cursor, initdraw, geninitdraw, drawerror, initdisplay, closedisplay, getdefont, getwindow, gengetwindow, flushimage, bufimage, lockdisplay, unlockdisplay, openfont, buildfont, freefont, Pfmt, Rfmt, strtochan, chantostr, chantodepth

html - HTML parser

parsehtml, printitems, validitems, freeitems, freedocinfo, dimenkind, dimenspec, targetid, targetname, fromStr, toStr

httpd - routines for creating an http server

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,

hypot - Euclidean distance

hypot

intmap - integer to data structure maps

Intmap, allocmap, freemap, insertkey, caninsertkey, lookupkey, deletekey

ioproc - slave I/O processes for threaded programs

closeioproc, iocall, ioclose, iointerrupt, iodial, ioopen, ioproc, ioread, ioreadn, iowrite

iounit - return size of atomic I/O unit for file descriptor

iounit

ip - Internet Protocol addressing

eipfmt, parseip, parseipmask, v4parseip, v4parsecidr, parseether, myipaddr, myetheraddr, maskip, equivip4, equivip6, defmask, isv4, v4tov6, v6tov4, nhgetv, nhgetl, nhgets, hnputv, hnputl, hnputs, ptclbsum, readipifc

isalpharune - Unicode character classes and cases

isalpharune, islowerrune, isspacerune, istitlerune, isupperrune, isdigitrune, tolowerrune, totitlerune, toupperrune

keyboard - keyboard control

initkeyboard, ctlkeyboard, closekeyboard

lock - spin locks, queueing rendezvous locks, reader-writer locks, rendezvous points, and reference counts

lock, canlock, unlock, qlock, canqlock, qunlock, rlock, canrlock, runlock, wlock, canwlock, wunlock, rsleep, rwakeup, rwakeupall, incref, decref

mach - machine-independent access to executable files

crackhdr, machbytype, machbyname, newmap, setmap, findseg, unusemap, loadmap, attachproc, get1, get2, get4, get8, put1, put2, put4, put8, beswab, beswal, beswav, leswab, leswal, leswav

malloc - memory allocator

malloc, mallocalign, mallocz, free, realloc, calloc, msize, setmalloctag, setrealloctag, getmalloctag, getrealloctag, malloctopoolblock

matrix - Geometric transformations

ident, matmul, matmulr, determinant, adjoint, invertmat, xformpoint, xformpointd, xformplane, pushmat, popmat, rot, qrot, scale, move, xform, ixform, persp, look, viewport

memdraw - drawing routines for memory-resident images

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

memlayer - windows of memory-resident images

memdraw, memlalloc, memldelete, memlexpose, memlfree, memlhide, memline, memlnorefresh, memload, memunload, memlorigin, memlsetrefresh, memltofront, memltofrontn, memltorear, memltorearn

memory - memory operations

memccpy, memchr, memcmp, memcpy, memmove, memset

mktemp - make a unique file name

mktemp

mouse - mouse control

initmouse, readmouse, closemouse, moveto, getrect, drawgetrect, menuhit, setcursor

mp - extended precision arithmetic

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

muldiv - high-precision multiplication and division

muldiv, umuldiv

nan - not-a-number and infinity functions

NaN, Inf, isNaN, isInf

ndb - network database

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

notify - handle asynchronous process notification

notify, noted, atnotify

object - object file interpretation functions

objtype, readobj, objtraverse, isar, nextar, readar

open - open a file for reading or writing, create file

open, create, close

perror - system error messages

perror, syslog, sysfatal

pipe - create an interprocess channel

pipe

plumb - plumb messages

eplumb, plumbfree, plumbopen, plumbsend, plumbsendtext, plumblookup, plumbpack, plumbpackattr, plumbaddattr, plumbdelattr, plumbrecv, plumbunpack, plumbunpackpartial, plumbunpackattr, Plumbmsg

pool - general memory management routines

poolalloc, poolallocalign, poolfree, poolmsize, poolrealloc, poolcompact, poolcheck, poolblockcheck, pooldump

postnote - send a note to a process or process group

postnote

prime - prime number generation

genprime, gensafeprime, genstrongprime, DSAprimes, probably_prime, smallprimetest

print - print formatted output

print, fprint, sprint, snprint, seprint, smprint, runesprint, runesnprint, runeseprint, runesmprint, vfprint, vsnprint, vseprint, vsmprint, runevsnprint, runevseprint, runevsmprint

privalloc - per-process private storage management

privalloc, privfree

proto - parse and process a proto file listing

rdproto

pushssl - attach SSL version 2 encryption to a communication channel

pushssl

pushtls - attach TLS1 or SSL3 encryption to a communication channel

pushtls, tlsClient, tlsServer, initThumbprints, freeThumbprints, okThumbprint, readcert, readcertchain

qball - 3-d rotation controller

qball

qsort - quicker sort

qsort

quaternion - Quaternion arithmetic

qtom, mtoq, qadd, qsub, qneg, qmul, qdiv, qunit, qinv, qlen, slerp, qmid, qsqrt

quote - quoted character strings

quotestrdup, quoterunestrdup, unquotestrdup, unquoterunestrdup, quotestrfmt, quoterunestrfmt, quotefmtinstall, doquote, needsrcquote

rand - random number generators

rand, lrand, frand, nrand, lnrand, srand, truerand, ntruerand, genrandom, prng, fastrand, nfastrand

rc4 - alleged rc4 encryption

setupRC4state, rc4, rc4skip, rc4back

read - read or write file

read, readn, write, pread, pwrite

readcolmap - access display color map

RGB, readcolmap, writecolmap

readv - scatter/gather read and write

readv, writev, preadv, pwritev

regexp - regular expression

regcomp, regcomplit, regcompnl, regexec, regsub, rregexec, rregsub, regerror

remove - remove a file

remove

rendezvous - user level process synchronization

rendezvous

rsa - RSA encryption algorithm

asn1dump, asn1toRSApriv, decodePEM, rsadecrypt, rsaencrypt, rsagen, rsaprivalloc, rsaprivfree, rsaprivtopub, rsapuballoc, rsapubfree, X509toRSApub, X509gen, X509verify

rune - rune/UTF conversion

runetochar, chartorune, runelen, runenlen, fullrune, utfecpy, utflen, utfnlen, utfrune, utfrrune, utfutf

runestrcat - rune string operations

runestrcat, runestrncat, runestrcmp, runestrncmp, runestrcpy, runestrncpy, runestrecpy, runestrlen, runestrchr, runestrrchr, runestrdup, runestrstr

scribble - character recognition

scribblealloc, recognize

scsi - SCSI device operations

openscsi, closescsi, scsiready, scsi, scsicmd, scsierror

sechash - cryptographically secure hashes

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

seek - change file offset

seek

segattach - map/unmap a segment in virtual memory

segattach, segdetach, segfree

segbrk - change memory allocation

segbrk

segflush - flush instruction and data caches

segflush

semacquire - user level semaphores

semacquire, semrelease

setjmp - non-local goto

setjmp, longjmp, notejmp

sin - trigonometric functions

sin, cos, tan, asin, acos, atan, atan2

sinh - hyperbolic functions

sinh, cosh, tanh

sleep - delay, ask for delayed note

sleep, alarm

stat - get and put file status

stat, fstat, wstat, fwstat, dirstat, dirfstat, dirwstat, dirfwstat, nulldir

strcat - string operations

strcat, strncat, strcmp, strncmp, cistrcmp, cistrncmp, strcpy, strncpy, strecpy, strlen, strchr, strrchr, strpbrk, strspn, strcspn, strtok, strdup, strstr, cistrstr

string - extensible strings

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

stringsize - graphical size of strings

stringsize, stringwidth, stringnwidth, runestringsize, runestringwidth, runestringnwidth

subfont - subfont manipulation

allocsubfont, freesubfont, installsubfont, lookupsubfont, uninstallsubfont, subfontname, readsubfont, readsubfonti, writesubfont, stringsubfont, strsubfontwidth, mkfont

symbol - symbol table access functions

syminit, getsym, symbase, pc2sp, pc2line, textseg, line2addr, lookup, findlocal, getauto, findsym, localsym, globalsym, textsym, file2pc, fileelem, filesym, fileline, fnbound

thread - thread and proc management

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

time - time in seconds and nanoseconds since epoch

time, nsec

tmpfile - Stdio temporary files

tmpfile, tmpnam

usb - USB device driver library

usbcmd, classname, closedev, configdev, devctl, finddevs, loaddevstr, matchdevcsp, opendev, opendevdata, openep, startdevs, unstall, class, subclass, proto, CSP

usbfs - USB device driver file system library

usbreadbuf, usbfsadd, usbfsdel, usbdirread, usbfsinit, usbdirfs, usbfs

venti - archival storage server

venti

venti-cache - Venti block cache

VtBlock, VtCache, vtblockcopy, vtblockduplock, vtblockput, vtblockwrite, vtcachealloc, vtcacheallocblock, vtcacheblocksize, vtcachefree, vtcacheglobal, vtcachelocal, vtcachesetwrite, vtglobaltolocal, vtlocaltoglobal

venti-client - Venti client

vtconnect, vthello, vtread, vtwrite, vtreadpacket, vtwritepacket, vtsync, vtping, vtrpc, ventidoublechecksha1

venti-conn - Venti network connections

VtConn, vtconn, vtdial, vtfreeconn, vtsend, vtrecv, vtversion, vtdebug, vthangup

venti-fcall - venti data formats

VtEntry, VtFcall, VtRoot, vtentrypack, vtentryunpack, vtfcallclear, vtfcallfmt, vtfcallpack, vtfcallunpack, vtfromdisktype, vttodisktype, vtgetstring, vtputstring, vtrootpack, vtrootunpack, vtparsescore, vtscorefmt

venti-file - Venti files

VtFile, vtfileblock, vtfileblockscore, vtfileclose, vtfilecreate, vtfilecreateroot, vtfileflush, vtfileflushbefore, vtfilegetdirsize, vtfilegetentry, vtfilegetsize, vtfileincref, vtfilelock, vtfilelock2, vtfileopen, vtfileopenroot, vtfileread, vtfileremove, vtfilesetdirsize, vtfilesetentry, vtfilesetsize, vtfiletruncate, vtfileunlock, vtfilewrite

venti-log - Venti logs

VtLog, VtLogChunk, vtlog, vtlogclose, vtlogdump, vtlognames, vtlogopen, vtlogprint, vtlogremove, vtlogopen, ventilogging

venti-mem - error-checking memory allocators

vtbrk, vtmalloc, vtmallocz, vtrealloc, vtstrdup, vtfree

venti-packet - zero-copy network buffers

Packet, packetalloc, packetappend, packetasize, packetcmp, packetconcat, packetconsume, packetcopy, packetdup, packetforeign, packetfragments, packetfree, packetheader, packetpeek, packetprefix, packetsha1, packetsize, packetsplit, packetstats, packettrailer, packettrim

venti-server - Venti server

vtsrvhello, vtlisten, vtgetreq, vtrespond

venti-zero - Venti block truncation

vtzerotruncate, vtzeroextend, vtzeroscore

wait - wait for a process to exit

await, wait, waitpid

window - window management

Screen, allocscreen, publicscreen, freescreen, allocwindow, bottomwindow, bottomnwindows, topwindow, topnwindows, originwindow