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........ r124127 | mvanbaak | 2008-06-19 22:48:33 +0200 (Thu, 19 Jun 2008) | 10 lines Older versions of GNU gcc do not allow 'NULL' as sentinel. They want (char *)NULL as sentinel. An example is OpenBSD (confirmed on 4.3) that ships with gcc 3.3.4 This commit introduces a contstant SENTINEL which is declared as: #define SENTINEL ((char *)NULL) All places I could test compile on my openbsd system are converted. Update CODING-GUIDELINES to tell about this constant. ........ git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@124128 65c4cc65-6c06-0410-ace0-fbb531ad65f31.6.0
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