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ttype.h
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1 /*
2  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
3  * All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * File: ttype.h
20  *
21  * Purpose: define basic common types and macros
22  *
23  * Author: Tevin Chen
24  *
25  * Date: May 21, 1996
26  *
27  */
28 
29 #ifndef __TTYPE_H__
30 #define __TTYPE_H__
31 
32 /******* Common definitions and typedefs ***********************************/
33 
34 typedef int BOOL;
35 
36 #if !defined(TRUE)
37 #define TRUE 1
38 #endif
39 #if !defined(FALSE)
40 #define FALSE 0
41 #endif
42 
43 /****** Simple typedefs ***************************************************/
44 
45 typedef unsigned char BYTE; // 8-bit
46 typedef unsigned short WORD; // 16-bit
47 typedef unsigned long DWORD; // 32-bit
48 
49 // QWORD is for those situation that we want
50 // an 8-byte-aligned 8 byte long structure
51 // which is NOT really a floating point number.
52 typedef union tagUQuadWord {
53  struct {
56  } u;
57  double DoNotUseThisField;
58 } UQuadWord;
59 typedef UQuadWord QWORD; // 64-bit
60 
61 /****** Common pointer types ***********************************************/
62 
63 typedef unsigned long ULONG_PTR; // 32-bit
64 typedef unsigned long DWORD_PTR; // 32-bit
65 
66 // boolean pointer
67 
68 typedef BYTE * PBYTE;
69 
70 typedef WORD * PWORD;
71 
72 typedef DWORD * PDWORD;
73 
74 typedef QWORD * PQWORD;
75 
76 #endif /* __TTYPE_H__ */