<HEAD><TITLE>plan 9 man section 9</TITLE></HEAD><BODY><B>[<A HREF="/sys/man/index.html">manual index</A>]</B><H2>Plan 9 from Bell Labs - Section 9 - </H2><HR><DL><DT><A HREF="/magic/man2html/9/0intro">0intro</A>-  introduction to kernel functions<DD><TT> intro</TT></DT><DT><A HREF="/magic/man2html/9/allocb">allocb</A>-  data block management<DD><TT> allocb, iallocb, freeb, freeblist, BLEN, blocklen, concatblock, copyblock, trimblock, packblock, padblock, pullblock, pullupblock, adjustblock, checkb</TT></DT><DT><A HREF="/magic/man2html/9/conf">conf</A>-  native and hosted kernel configuration file<DD><TT> conf</TT></DT><DT><A HREF="/magic/man2html/9/delay">delay</A>-  small delays, clock interrupts<DD><TT> delay, microdelay, addclock0link</TT></DT><DT><A HREF="/magic/man2html/9/devattach">devattach</A>-  common device driver support<DD><TT> devattach, devclone, devdir, devgen, devwalk, devdirread, devstat, devopen, devbread, devbwrite, devcreate, devremove, devwstat, devreset, devinit, devshutdown, openmode</TT></DT><DT><A HREF="/magic/man2html/9/dmainit">dmainit</A>-  platform-specific DMA support<DD><TT> dmainit, dmasetup, dmadone, dmaend, dmacount</TT></DT><DT><A HREF="/magic/man2html/9/error">error</A>-  error handling functions<DD><TT> error, nexterror, poperror, waserror</TT></DT><DT><A HREF="/magic/man2html/9/eve">eve</A>-  privileged user<DD><TT> eve, iseve</TT></DT><DT><A HREF="/magic/man2html/9/inb">inb</A>-  programmed I/O<DD><TT> inb, ins, inl, outb, outs, outl, insb, inss, insl, outsb, outss, outsl</TT></DT><DT><A HREF="/magic/man2html/9/intrenable">intrenable</A>-  enable (disable) an interrupt handler<DD><TT> intrenable, intrdisable</TT></DT><DT><A HREF="/magic/man2html/9/kbdputc">kbdputc</A>-  keyboard interface to \fIcons\fP(3)<DD><TT> kbdputc, kbdq</TT></DT><DT><A HREF="/magic/man2html/9/kproc">kproc</A>-  kernel process creation, termination and interrupt<DD><TT> kproc, pexit, postnote</TT></DT><DT><A HREF="/magic/man2html/9/lib">lib</A>-  C library functions used by the kernel<DD><TT> lib</TT></DT><DT><A HREF="/magic/man2html/9/lock">lock</A>-  spin locks<DD><TT> lock, canlock, ilock, iunlock, unlock</TT></DT><DT><A HREF="/magic/man2html/9/malloc">malloc</A>-  kernel memory allocator<DD><TT> malloc, mallocz, smalloc, realloc, calloc, free, msize, setmalloctag, setrealloctag, getmalloctag, getrealloctag, malloctopoolblock</TT></DT><DT><A HREF="/magic/man2html/9/newchan">newchan</A>-  channel operations<DD><TT> newchan, chanfree, cclose, eqqid, eqchan, isdir, fdtochan, namec</TT></DT><DT><A HREF="/magic/man2html/9/panic">panic</A>-  abandon hope<DD><TT> panic</TT></DT><DT><A HREF="/magic/man2html/9/parsecmd">parsecmd</A>-  parse device commands<DD><TT> parsecmd, cmderror, lookupcmd</TT></DT><DT><A HREF="/magic/man2html/9/qio">qio</A>-  queued I/O for devices<DD><TT> qio: qget, qdiscard, qconsume, qpass, qproduce, qcopy, qopen, qbread, qread, qbwrite, qwrite, qiwrite, qfree, qclose, qhangup, qreopen, qlen, qwindow, qcanread, qsetlimit, qnoblock, qflush, qfull</TT></DT><DT><A HREF="/magic/man2html/9/qlock">qlock</A>-  serial synchronisation<DD><TT> qlock, qunlock, canqlock, rlock, runlock, wlock, wunlock</TT></DT><DT><A HREF="/magic/man2html/9/readnum">readnum</A>-  return values from read from device<DD><TT> readnum, readstr</TT></DT><DT><A HREF="/magic/man2html/9/ref">ref</A>-  reference counts<DD><TT> Ref, incref, decref</TT></DT><DT><A HREF="/magic/man2html/9/seconds">seconds</A>-  kernel times and time conversions<DD><TT> seconds, ticks, fastticks, HZ, MS2HZ, MS2TK, TK2MS, TK2SEC</TT></DT><DT><A HREF="/magic/man2html/9/sleep">sleep</A>-  process synchronisation<DD><TT> sleep, wakeup, tsleep, return0</TT></DT><DT><A HREF="/magic/man2html/9/splhi">splhi</A>-  enable and disable interrupts<DD><TT> splhi, spllo, splx, islo</TT></DT><DT><A HREF="/magic/man2html/9/uartp8250">uartp8250</A>-  portable 8250-style uarts<DD><TT> uartp8250</TT></DT><DT><A HREF="/magic/man2html/9/xalloc">xalloc</A>-  basic memory management<DD><TT> xalloc, xspanalloc, xfree</TT></DT></DL>