1 #include <inttypes.h>
2 
3 /*
4  * compiler directive on Plan 9
5  */
6 #ifndef USED
7 #define USED(x) if(x);else
8 #endif
9 
10 /*
11  * easiest way to make sure these are defined
12  */
13 #define uchar	_fmtuchar
14 #define ushort	_fmtushort
15 #define uint	_fmtuint
16 #define ulong	_fmtulong
17 #define vlong	_fmtvlong
18 #define uvlong	_fmtuvlong
19 #define uintptr	_fmtuintptr
20 
21 typedef unsigned char		uchar;
22 typedef unsigned short		ushort;
23 typedef unsigned int		uint;
24 typedef unsigned long		ulong;
25 typedef unsigned long long	uvlong;
26 typedef long long		vlong;
27 typedef uintptr_t uintptr;
28 
29 /*
30  * nil cannot be ((void*)0) on ANSI C,
31  * because it is used for function pointers
32  */
33 #undef	nil
34 #define	nil	0
35 
36 #undef	nelem
37 #define	nelem(x)	(sizeof (x)/sizeof (x)[0])