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authorTobias Klauser <tklauser@distanz.ch>2008-01-27 11:37:44 +0100
committerTobias Klauser <tklauser@xenon.tklauser.home>2008-01-27 11:37:44 +0100
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+<TITLE>longjmp</TITLE>
+<body bgcolor="#ffffcc">
+<hr>
+<pre>
+
+
+
+<h3>LONGJMP(3) Library functions LONGJMP(3)
+</h3>
+
+<h3>NAME
+</h3> longjmp - non-local jump to a saved stack context
+
+<h3>SYNOPSIS
+</h3> #include &lt;setjmp.h&gt;
+
+ void longjmp(jmp_buf env, int val);
+
+<h3>DESCRIPTION
+</h3> longjmp() and setjmp(3) are useful for dealing with errors
+ and interrupts encountered in a low-level subroutine of a
+ program. longjmp() restores the environment saved by the
+ last call of setjmp() with the corresponding env argument.
+ After longjmp() is completed, program execution continues
+ as if the corresponding call of setjmp() had just returned
+ the value val. longjmp() cannot cause 0 to be returned.
+ If longjmp is invoked with a second argument of 0, 1 will
+ be returned instead.
+
+<h3>RETURN VALUE
+</h3> This function never returns.
+
+<h3>CONFORMING TO
+</h3> POSIX
+
+<h3>NOTES
+</h3> POSIX does not specify if the signal context will be
+ restored or not. If you want to save restore signal
+ masks, use siglongjmp(3) longjmp() makes programs hard to
+ understand and maintain. If possible an alternative
+ should be used.
+
+</pre>
+<hr>
+<h3>SEE ALSO
+</h3><p>
+<a href=setjmp.htm>setjmp</a>,
+<a href=sigsetjmp.htm>sigsetjmp</a>,
+<a href=siglongjmp.htm>siglongjmp</a>,
+<pre>
+
+
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+
+ November 25, 1994 1
+
+
+ </pre>
+<P>
+<hr>
+<p>
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