xsh_chap01.html

IEEE 1003.1-2003, Single Unix Specification v3

<a href="../functions/lchown.html"><i>lchown</i>()</a><br>
<a href="../functions/lcong48.html"><i>lcong48</i>()</a><br>
<a href="../functions/lfind.html"><i>lfind</i>()</a><br>
<a href="../functions/lockf.html"><i>lockf</i>()</a><br>
<a href="../functions/lrand48.html"><i>lrand48</i>()</a><br>
<a href="../functions/lsearch.html"><i>lsearch</i>()</a><br>
<a href="../functions/makecontext.html"><i>makecontext</i>()</a><br>
<a href="../functions/memccpy.html"><i>memccpy</i>()</a><br>
<a href="../functions/mknod.html"><i>mknod</i>()</a><br>
<a href="../functions/mkstemp.html"><i>mkstemp</i>()</a><br>
<a href="../functions/mktemp.html"><i>mktemp</i>()</a><br>
<a href="../functions/mrand48.html"><i>mrand48</i>()</a><br>
<a href="../functions/msgctl.html"><i>msgctl</i>()</a><br>
&nbsp;</p>
</td>
<td align="left">
<p class="tent"><br>
<a href="../functions/msgget.html"><i>msgget</i>()</a><br>
<a href="../functions/msgrcv.html"><i>msgrcv</i>()</a><br>
<a href="../functions/msgsnd.html"><i>msgsnd</i>()</a><br>
<a href="../functions/nftw.html"><i>nftw</i>()</a><br>
<a href="../functions/nice.html"><i>nice</i>()</a><br>
<a href="../functions/nl_langinfo.html"><i>nl_langinfo</i>()</a><br>
<a href="../functions/nrand48.html"><i>nrand48</i>()</a><br>
<a href="../functions/openlog.html"><i>openlog</i>()</a><br>
<a href="../functions/poll.html"><i>poll</i>()</a><br>
<a href="../functions/posix_openpt.html"><i>posix_openpt</i>()</a><br>
<a href="../functions/pread.html"><i>pread</i>()</a><br>
<a href="../functions/pthread_attr_getguardsize.html"><i>pthread_attr_getguardsize</i>()</a><br>
<a href="../functions/pthread_attr_setguardsize.html"><i>pthread_attr_setguardsize</i>()</a><br>
<a href="../functions/pthread_attr_setstack.html"><i>pthread_attr_setstack</i>()</a><br>
<a href="../functions/pthread_getconcurrency.html"><i>pthread_getconcurrency</i>()</a><br>
<a href="../functions/pthread_mutexattr_gettype.html"><i>pthread_mutexattr_gettype</i>()</a><br>
<a href="../functions/pthread_mutexattr_settype.html"><i>pthread_mutexattr_settype</i>()</a><br>
<a href="../functions/pthread_rwlockattr_init.html"><i>pthread_rwlockattr_init</i>()</a><br>
<a href="../functions/pthread_rwlockattr_setpshared.html"><i>pthread_rwlockattr_setpshared</i>()</a><br>
<a href="../functions/pthread_setconcurrency.html"><i>pthread_setconcurrency</i>()</a><br>
<a href="../functions/ptsname.html"><i>ptsname</i>()</a><br>
<a href="../functions/putenv.html"><i>putenv</i>()</a><br>
<a href="../functions/pututxline.html"><i>pututxline</i>()</a><br>
<a href="../functions/pwrite.html"><i>pwrite</i>()</a><br>
<a href="../functions/random.html"><i>random</i>()</a><br>
<a href="../functions/readv.html"><i>readv</i>()</a><br>
<a href="../functions/realpath.html"><i>realpath</i>()</a><br>
<a href="../functions/remque.html"><i>remque</i>()</a><br>
<a href="../functions/rindex.html"><i>rindex</i>()</a><br>
<a href="../functions/seed48.html"><i>seed48</i>()</a><br>
<a href="../functions/seekdir.html"><i>seekdir</i>()</a><br>
<a href="../functions/semctl.html"><i>semctl</i>()</a><br>
<a href="../functions/semget.html"><i>semget</i>()</a><br>
<a href="../functions/semop.html"><i>semop</i>()</a><br>
<a href="../functions/setcontext.html"><i>setcontext</i>()</a><br>
<a href="../functions/setgrent.html"><i>setgrent</i>()</a><br>
<a href="../functions/setitimer.html"><i>setitimer</i>()</a><br>
<a href="../functions/setkey.html"><i>setkey</i>()</a><br>
<a href="../functions/setlogmask.html"><i>setlogmask</i>()</a><br>
<a href="../functions/setpgrp.html"><i>setpgrp</i>()</a><br>
<a href="../functions/setpriority.html"><i>setpriority</i>()</a><br>
<a href="../functions/setpwent.html"><i>setpwent</i>()</a><br>
<a href="../functions/setregid.html"><i>setregid</i>()</a><br>
<a href="../functions/setreuid.html"><i>setreuid</i>()</a><br>
<a href="../functions/setrlimit.html"><i>setrlimit</i>()</a><br>
&nbsp;</p>
</td>
<td align="left">
<p class="tent"><br>
<a href="../functions/setstate.html"><i>setstate</i>()</a><br>
<a href="../functions/setutxent.html"><i>setutxent</i>()</a><br>
<a href="../functions/shmat.html"><i>shmat</i>()</a><br>
<a href="../functions/shmctl.html"><i>shmctl</i>()</a><br>
<a href="../functions/shmdt.html"><i>shmdt</i>()</a><br>
<a href="../functions/shmget.html"><i>shmget</i>()</a><br>
<a href="../functions/sigaltstack.html"><i>sigaltstack</i>()</a><br>
<a href="../functions/sighold.html"><i>sighold</i>()</a><br>
<a href="../functions/sigignore.html"><i>sigignore</i>()</a><br>
<a href="../functions/siginterrupt.html"><i>siginterrupt</i>()</a><br>
<a href="../functions/sigpause.html"><i>sigpause</i>()</a><br>
<a href="../functions/sigrelse.html"><i>sigrelse</i>()</a><br>
<a href="../functions/sigset.html"><i>sigset</i>()</a><br>
<a href="../functions/srand48.html"><i>srand48</i>()</a><br>
<a href="../functions/srandom.html"><i>srandom</i>()</a><br>
<a href="../functions/statvfs.html"><i>statvfs</i>()</a><br>
<a href="../functions/strcasecmp.html"><i>strcasecmp</i>()</a><br>
<a href="../functions/strdup.html"><i>strdup</i>()</a><br>
<a href="../functions/strfmon.html"><i>strfmon</i>()</a><br>
<a href="../functions/strncasecmp.html"><i>strncasecmp</i>()</a><br>
<a href="../functions/strptime.html"><i>strptime</i>()</a><br>
<a href="../functions/swab.html"><i>swab</i>()</a><br>
<a href="../functions/swapcontext.html"><i>swapcontext</i>()</a><br>
<a href="../functions/sync.html"><i>sync</i>()</a><br>
<a href="../functions/syslog.html"><i>syslog</i>()</a><br>
<a href="../functions/tcgetsid.html"><i>tcgetsid</i>()</a><br>
<a href="../functions/tdelete.html"><i>tdelete</i>()</a><br>
<a href="../functions/telldir.html"><i>telldir</i>()</a><br>
<a href="../functions/tempnam.html"><i>tempnam</i>()</a><br>
<a href="../functions/tfind.html"><i>tfind</i>()</a><br>
<i>timezone</i><br>
<a href="../functions/toascii.html"><i>toascii</i>()</a><br>
<a href="../functions/truncate.html"><i>truncate</i>()</a><br>
<a href="../functions/tsearch.html"><i>tsearch</i>()</a><br>
<a href="../functions/twalk.html"><i>twalk</i>()</a><br>
<a href="../functions/ulimit.html"><i>ulimit</i>()</a><br>
<a href="../functions/unlockpt.html"><i>unlockpt</i>()</a><br>
<a href="../functions/utimes.html"><i>utimes</i>()</a><br>
<a href="../functions/waitid.html"><i>waitid</i>()</a><br>
<a href="../functions/wcswcs.html"><i>wcswcs</i>()</a><br>
<a href="../functions/wcswidth.html"><i>wcswidth</i>()</a><br>
<a href="../functions/wcwidth.html"><i>wcwidth</i>()</a><br>
<a href="../functions/writev.html"><i>writev</i>()</a><br>
&nbsp;</p>
</td>
</tr>
</table>
</center>

<br>
<p>The following table lists the headers from the XSI extension. These are new since the ISO&nbsp;POSIX-1:1996 standard.</p>

<center>
<table border="1" cellpadding="3" align="center">
<tr valign="top">
<th colspan="3" align="center">
<p class="tent"><b>New XSI Headers in Issue 6</b></p>
</th>
</tr>

<tr valign="top">
<td align="left">
<p class="tent"><br>
<a href="../basedefs/cpio.h.html"><i>&lt;cpio.h&gt;</i></a><br>
<a href="../basedefs/dlfcn.h.html"><i>&lt;dlfcn.h&gt;</i></a><br>
<a href="../basedefs/fmtmsg.h.html"><i>&lt;fmtmsg.h&gt;</i></a><br>
<a href="../basedefs/ftw.h.html"><i>&lt;ftw.h&gt;</i></a><br>
<a href="../basedefs/iconv.h.html"><i>&lt;iconv.h&gt;</i></a><br>
<a href="../basedefs/langinfo.h.html"><i>&lt;langinfo.h&gt;</i></a><br>
<a href="../basedefs/libgen.h.html"><i>&lt;libgen.h&gt;</i></a><br>
<a href="../basedefs/monetary.h.html"><i>&lt;monetary.h&gt;</i></a><br>
<a href="../basedefs/ndbm.h.html"><i>&lt;ndbm.h&gt;</i></a><br>
<a href="../basedefs/nl_types.h.html"><i>&lt;nl_types.h&gt;</i></a><br>
&nbsp;</p>
</td>
<td align="left">
<p class="tent"><br>
<a href="../basedefs/poll.h.html"><i>&lt;poll.h&gt;</i></a><br>
<a href="../basedefs/search.h.html"><i>&lt;search.h&gt;</i></a><br>
<a href="../basedefs/strings.h.html"><i>&lt;strings.h&gt;</i></a><br>
<a href="../basedefs/stropts.h.html"><i>&lt;stropts.h&gt;</i></a><br>
<a href="../basedefs/sys/ipc.h.html"><i>&lt;sys/ipc.h&gt;</i></a><br>
<a href="../basedefs/sys/mman.h.html"><i>&lt;sys/mman.h&gt;</i></a><br>
<a href="../basedefs/sys/msg.h.html"><i>&lt;sys/msg.h&gt;</i></a><br>
<a href="../basedefs/sys/resource.h.html"><i>&lt;sys/resource.h&gt;</i></a><br>
<a href="../basedefs/sys/sem.h.html"><i>&lt;sys/sem.h&gt;</i></a><br>
<a href="../basedefs/sys/shm.h.html"><i>&lt;sys/shm.h&gt;</i></a><br>
&nbsp;</p>
</td>
<td align="left">
<p class="tent"><br>
<a href="../basedefs/sys/statvfs.h.html"><i>&lt;sys/statvfs.h&gt;</i></a><br>
<a href="../basedefs/sys/time.h.html"><i>&lt;sys/time.h&gt;</i></a><br>
<a href="../basedefs/sys/timeb.h.html"><i>&lt;sys/timeb.h&gt;</i></a><br>
<a href="../basedefs/sys/uio.h.html"><i>&lt;sys/uio.h&gt;</i></a><br>
<a href="../basedefs/syslog.h.html"><i>&lt;syslog.h&gt;</i></a><br>
<a href="../basedefs/ucontext.h.html"><i>&lt;ucontext.h&gt;</i></a><br>
<a href="../basedefs/ulimit.h.html"><i>&lt;ulimit.h&gt;</i></a><br>
<a href="../basedefs/utmpx.h.html"><i>&lt;utmpx.h&gt;</i></a><br>
&nbsp;</p>
</td>
</tr>
</table>
</center>

<h4><a name="tag_03_01_05"></a>Terminology</h4>

<p>Refer to <a href="xbd_chap01.html#tag_01_01_04"><i>Terminology</i></a> .</p>

<h4><a name="tag_03_01_06"></a>Definitions</h4>

<p>Refer to <a href="xbd_chap03.html#tag_01_03"><i>Definitions</i></a> .</p>

<h4><a name="tag_03_01_07"></a>Relationship to Other Formal Standards</h4>

<p>There is no additional rationale provided for this section.</p>

<h4><a name="tag_03_01_08"></a>Portability</h4>

<p>Refer to <a href="xbd_chap01.html#tag_01_01_18"><i>Portability</i></a> .</p>

<h5><a name="tag_03_01_08_01"></a>Codes</h5>

<p>Refer to <a href="xbd_chap01.html#tag_01_01_18_01"><i>Codes</i></a> .</p>

<h4><a name="tag_03_01_09"></a>Format of Entries</h4>

<p>Each system interface reference page has a common layout of sections describing the interface. This layout is similar to the
manual page or &quot;man&quot; page format shipped with most UNIX systems, and each header has sections describing the SYNOPSIS,
DESCRIPTION, RETURN VALUE, and ERRORS. These are the four sections that relate to conformance.</p>

<p>Additional sections are informative, and add considerable information for the application developer. EXAMPLES sections provide
example usage. APPLICATION USAGE sections provide additional caveats, issues, and recommendations to the developer. RATIONALE
sections give additional information on the decisions made in defining the interface.</p>

<p>FUTURE DIRECTIONS sections act as pointers to related work that may impact the interface in the future, and often cautions the
developer to architect the code to account for a change in this area. Note that a future directions statement should not be taken
as a commitment to adopt a feature or interface in the future.</p>

<p>The CHANGE HISTORY section describes when the interface was introduced, and how it has changed.</p>

<p>Option labels and margin markings in the page can be useful in guiding the application developer.</p>



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