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