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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Sun, 29 Aug 2010 16:38:08 +0000 (UTC)
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Subject: svn commit: r211966 - head/lib/libc/sys
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Author: kib
Date: Sun Aug 29 16:38:08 2010
New Revision: 211966
URL: http://svn.freebsd.org/changeset/base/211966

Log:
  Use NULL instead of 0 for pointer in example.
  
  MFC after:	3 days

Modified:
  head/lib/libc/sys/sigaltstack.2

Modified: head/lib/libc/sys/sigaltstack.2
==============================================================================
--- head/lib/libc/sys/sigaltstack.2	Sun Aug 29 12:17:16 2010	(r211965)
+++ head/lib/libc/sys/sigaltstack.2	Sun Aug 29 16:38:08 2010	(r211966)
@@ -104,7 +104,7 @@ if ((sigstk.ss_sp = malloc(SIGSTKSZ)) ==
 	/* error return */
 sigstk.ss_size = SIGSTKSZ;
 sigstk.ss_flags = 0;
-if (sigaltstack(&sigstk,0) < 0)
+if (sigaltstack(&sigstk, NULL) < 0)
 	perror("sigaltstack");
 .Ed
 An alternative approach is provided for programs with signal handlers