commit aaa502d3a330a84ac835fd902b01f2834e2fc40a
from: rsc <devnull@localhost>
date: Tue Mar 15 16:12:51 2005 UTC

appease sun - nil is now just 0 instead of (void*)0
to fix function pointer problems.

commit - 1f8a80722f44d9c24c4a48d21a944947c9a34b96
commit + aaa502d3a330a84ac835fd902b01f2834e2fc40a
blob - e495a535b51921641ea698402d619a4f0525f83b
blob + ac8ffa9d943f9f43475d34e944e6d74faa9d03a3
--- include/libc.h
+++ include/libc.h
@@ -13,7 +13,9 @@ extern "C" {
  * Begin usual libc.h 
  */
 
+#ifndef nil
 #define	nil	((void*)0)
+#endif
 #define	nelem(x)	(sizeof(x)/sizeof((x)[0]))
 
 #ifndef offsetof
blob - dd9b16821f3f23f4c85c251d5fda9e8dd4723f73
blob + 54f4df594213f6ad09ce74e5f07a1596d21048ec
--- include/u.h
+++ include/u.h
@@ -39,38 +39,44 @@ typedef long p9jmp_buf[sizeof(sigjmp_buf)/sizeof(long)
 
 #if defined(__linux__)
 #	include <sys/types.h>
+#	if defined(__Linux26__)
+#		include <pthread.h>
+#		define PLAN9PORT_USING_PTHREADS 1
+#	endif
 #	if defined(__USE_MISC)
 #		undef _NEEDUSHORT
 #		undef _NEEDUINT
 #		undef _NEEDULONG
 #	endif
-#	if defined(__Linux26__)
-#		define PLAN9PORT_USING_PTHREADS 1
-#	endif
 #elif defined(__sun__)
 #	include <sys/types.h>
+#	include <pthread.h>
+#	define PLAN9PORT_USING_PTHREADS 1
 #	undef _NEEDUSHORT
 #	undef _NEEDUINT
 #	undef _NEEDULONG
-#	define PLAN9PORT_USING_PTHREADS 1
+#	define nil 0	/* no cast to void* */
 #elif defined(__FreeBSD__)
 #	include <sys/types.h>
 #	include <osreldate.h>
+#	if __FreeBSD_version >= 500000
+#		define PLAN9PORT_USING_PTHREADS 1
+#		include <pthread.h>
+#	endif
 #	if !defined(_POSIX_SOURCE)
 #		undef _NEEDUSHORT
 #		undef _NEEDUINT
 #	endif
-#	if __FreeBSD_version >= 500000
-#		define PLAN9PORT_USING_PTHREADS 1
-#	endif
 #elif defined(__APPLE__)
 #	include <sys/types.h>
+#	include <pthread.h>
+#	define PLAN9PORT_USING_PTHREADS 1
 #	undef _NEEDUSHORT
 #	undef _NEEDUINT
 #	define _NEEDLL 1
-#	define PLAN9PORT_USING_PTHREADS 1
 #else
 	/* No idea what system this is -- try some defaults */
+#	include <pthread.h>
 #	define PLAN9PORT_USING_PTHREADS 1
 #endif
 
@@ -78,10 +84,6 @@ typedef long p9jmp_buf[sizeof(sigjmp_buf)/sizeof(long)
 #define O_DIRECT 0
 #endif
 
-#ifdef PLAN9PORT_USING_PTHREADS
-#include <pthread.h>
-#endif
-
 typedef signed char schar;
 typedef unsigned int u32int;
 typedef int s32int;