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(NULL): Define only if not already defined.

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From-SVN: r11569
This commit is contained in:
Roland McGrath 1996-03-20 01:08:11 +00:00
parent 86a0a7b3d7
commit 375826d208
1 changed files with 2 additions and 0 deletions
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gcc/alloca.c
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@ -73,7 +73,9 @@ typedef void *pointer;
typedef char *pointer;
#endif
#ifndef NULL
#define NULL 0
#endif
/* Different portions of Emacs need to call different versions of
malloc. The Emacs executable needs alloca to call xmalloc, because