www.pudn.com > 2minilib.rar > macro.h

/***************************************************************************\ 
	Copyright (c) 2004-2007 threewater@up-tech.com, All rights reserved. 
	by threewter	2004.4.26 
\***************************************************************************/ 
	 
 
/***************************************************************************\ 
    #说明: 常量和宏定义 
	----------------------------------  Bug  -------------------------------------- 
 
	----------------------------------  TODO list  -------------------------------------- 
 
	----------------------------------修正-------------------------------------- 
	2004-4-26	创建 
 
\***************************************************************************/ 
#ifndef __MARCO_H__ 
#define __MARCO_H__ 
 
#include "bitfield.h" 
 
#define U32 unsigned int 
#define U16 unsigned short 
#define S32 int 
#define S16 short int 
#define U8  unsigned char 
#define S8  char 
//#define BOOL int 
typedef int BOOL; 
 
#define TRUE 	1 
#define FALSE 	0 
#define OK		0 
#define FAIL		-1 
#define NULL		0 
 
#define SIZE_1KB		1024ul 
#define SIZE_1MB	(SIZE_1KB*SIZE_1KB) 
#define SIZE_1GB		(SIZE_1MB*SIZE_1KB) 
 
 
#define NumberOfArray(array)	(sizeof(array)/sizeof(array[0])) 
#define min(x1,x2)	((x1x2)? x1:x2) 
#ifndef	ABS 
#define ABS(a)		((a)>=0?(a):(-(a))) 
#endif 
 
//获得number中最低位的1的位置，通过n返回 
#define GetPosOfFirstOne(number, n)	do{unsigned int tmp=1; for(n=1;(number|tmp)!=number;n++,tmp<<=1);}while(0) 
 
#endif