From 6134024815adf2541293008f848dce4e8a21d061 Mon Sep 17 00:00:00 2001 From: Martin Mares Date: Mon, 29 Mar 1999 19:13:36 +0000 Subject: #define NULL if not defined by system includes. --- lib/birdlib.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'lib/birdlib.h') diff --git a/lib/birdlib.h b/lib/birdlib.h index 545ee1b..b57478d 100644 --- a/lib/birdlib.h +++ b/lib/birdlib.h @@ -20,6 +20,10 @@ #define MIN(a,b) (((a)<(b))?(a):(b)) #define MAX(a,b) (((a)>(b))?(a):(b)) +#ifndef NULL +#define NULL ((void *) 0) +#endif + /* Functions which don't return */ #define NORET __attribute__((noreturn)) -- cgit v1.2.3