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+<head>
+<title>getcallerpc(3) - Plan 9 from User Space</title>
+<meta content="text/html; charset=utf-8" http-equiv=Content-Type>
+</head>
+<body bgcolor=#ffffff>
+<table border=0 cellpadding=0 cellspacing=0 width=100%>
+<tr height=10><td>
+<tr><td width=20><td>
+<tr><td width=20><td><b>GETCALLERPC(3)</b><td align=right><b>GETCALLERPC(3)</b>
+<tr><td width=20><td colspan=2>
+ <br>
+<p><font size=+1><b>NAME </b></font><br>
+
+<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
+
+ getcallerpc &ndash; fetch return PC of current function<br>
+
+</table>
+<p><font size=+1><b>SYNOPSIS </b></font><br>
+
+<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
+
+ <tt><font size=+1>#include &lt;u.h&gt;<br>
+ #include &lt;libc.h&gt;
+ <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table>
+ </font></tt>
+ <tt><font size=+1>ulong getcallerpc(void *firstarg)<br>
+ </font></tt>
+</table>
+<p><font size=+1><b>DESCRIPTION </b></font><br>
+
+<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
+
+ <i>Getcallerpc</i> is a portable way to discover the PC to which the
+ current function will return. <i>Firstarg</i> should be a pointer to
+ the first argument to the function in question.<br>
+
+</table>
+<p><font size=+1><b>EXAMPLE </b></font><br>
+
+<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
+
+
+ <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
+
+ <tt><font size=+1>void<br>
+ printpc(ulong arg)<br>
+ {<br>
+
+ <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
+
+ print(&quot;Called from %.8lux\n&quot;, getcallerpc(&amp;arg));<br>
+
+ </table>
+ }<br>
+ void<br>
+ main(int argc, char *argv[])<br>
+ {<br>
+
+ <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
+
+ printpc(0);<br>
+ printpc(0);<br>
+ printpc(0);<br>
+
+ </table>
+ }<br>
+ </font></tt>
+ </table>
+
+</table>
+<p><font size=+1><b>SOURCE </b></font><br>
+
+<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
+
+ <tt><font size=+1>/usr/local/plan9/src/lib9/<br>
+ </font></tt>
+</table>
+<p><font size=+1><b>BUGS </b></font><br>
+
+<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
+
+ The <i>firstarg</i> parameter should not be necessary.<br>
+
+</table>
+
+<td width=20>
+<tr height=20><td>
+</table>
+<!-- TRAILER -->
+<table border=0 cellpadding=0 cellspacing=0 width=100%>
+<tr height=15><td width=10><td><td width=10>
+<tr><td><td>
+<center>
+<a href="../../"><img src="../../dist/spaceglenda100.png" alt="Space Glenda" border=1></a>
+</center>
+</table>
+<!-- TRAILER -->
+</body></html>