<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Get path name of controlling terminal</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.posix-access.html">posix_access</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.posix-errno.html">posix_errno</a></div> <div class="up"><a href="ref.posix.html">POSIX Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.posix-ctermid" class="refentry"> <div class="refnamediv"> <h1 class="refname">posix_ctermid</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">posix_ctermid</span> — <span class="dc-title">Get path name of controlling terminal</span></p> </div> <div class="refsect1 description" id="refsect1-function.posix-ctermid-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><strong>posix_ctermid</strong></span> ( <span class="methodparam">void</span> )</div> <p class="para rdfs-comment"> Generates a <span class="type"><a href="language.types.string.html" class="type string">string</a></span> which is the pathname for the current controlling terminal for the process. On error this will set errno, which can be checked using <span class="function"><a href="function.posix-get-last-error.html" class="function">posix_get_last_error()</a></span> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.posix-ctermid-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Upon successful completion, returns <span class="type"><a href="language.types.string.html" class="type string">string</a></span> of the pathname to the current controlling terminal. Otherwise <strong><code>FALSE</code></strong> is returned and errno is set, which can be checked with <span class="function"><a href="function.posix-get-last-error.html" class="function">posix_get_last_error()</a></span>. </p> </div> <div class="refsect1 examples" id="refsect1-function.posix-ctermid-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-3649"> <p><strong>Example #1 <span class="function"><strong>posix_ctermid()</strong></span> example</strong></p> <div class="example-contents"><p> This example will display the path to the current TTY. </p></div> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">"I am running from "</span><span style="color: #007700">.</span><span style="color: #0000BB">posix_ctermid</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> </p> </div> <div class="refsect1 seealso" id="refsect1-function.posix-ctermid-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="function"><a href="function.posix-ttyname.html" class="function" rel="rdfs-seeAlso">posix_ttyname()</a> - Determine terminal device name</span></li> <li class="member"> <span class="function"><a href="function.posix-get-last-error.html" class="function" rel="rdfs-seeAlso">posix_get_last_error()</a> - Retrieve the error number set by the last posix function that failed</span></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.posix-access.html">posix_access</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.posix-errno.html">posix_errno</a></div> <div class="up"><a href="ref.posix.html">POSIX Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>