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Digital-Research-Source-Code/CPM OPERATING SYSTEMS/CPM 68K/1.0X SOURCES/v102a/bdos/bdosinc.lst
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Digital Research
2020-11-06 18:50:37 +01:00

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1File: BDOSINC.H Page 1
1 /*****************************************************************************
2 *
3 * C P / M C H E A D E R F I L E
4 * -----------------------------------
5 * Copyright 1982 by Digital Research Inc. All rights reserved.
6 *
7 * This is an include file for assisting the user to write portable
8 * programs for C.
9 *
10 *****************************************************************************/
11 #define ALCYON 1 /* using Alcyon compiler */
12 /*
13 * Standard type definitions
14 */
15 /***************************/
16 #define BYTE char /* Signed byte */
17 #define BOOLEAN char /* 2 valued (true/false) */
18 #define WORD short /* Signed word (16 bits) */
19 #define UWORD unsigned int /* unsigned word */
20 #define LONG long /* signed long (32 bits) */
21 #define ULONG unsigned long /* Unsigned long */
22 #define REG register /* register variable */
23 #define LOCAL auto /* Local var on 68000 */
24 #define EXTERN extern /* External variable */
25 #define MLOCAL static /* Local to module */
26 #define GLOBAL /**/ /* Global variable */
27 #define VOID /**/ /* Void function return */
28 /***************************/
29 #ifdef ALCYON
30 #define UBYTE char
31 #define UBWORD(a) ((UWORD)a & 0xff)
32 /* Unsigned byte to word cast */
33 #else
34 #define UBYTE unsigned char /* Unsigned byte */
35 #define UBWORD(a) (UWORD)a
36 #endif
37
38
39
40 /****************************************************************************/
41 /* Miscellaneous Definitions: */
42 /****************************************************************************/
43 #define FAILURE (-1) /* Function failure return val */
44 #define SUCCESS (0) /* Function success return val */
45 #define YES 1 /* "TRUE" */
46 #define NO 0 /* "FALSE" */
47 #define FOREVER for(;;) /* Infinite loop declaration */
48 #define NULL (BYTE *)0 /* Null pointer value */
49 #define EOF (-1) /* EOF Value */
50 #define TRUE (1) /* Function TRUE value */
51 #define FALSE (0) /* Function FALSE value */
52
53
54 /****************************************************************************/
55 /* */
56 /* M A C R O S */
57 /* ----------- */
58 /* */
59 /* Define some stuff as macros .... */
1File: BDOSINC.H Page 2
60 /* */
61 /****************************************************************************/
62
63 #define abs(x) ((x) < 0 ? -(x) : (x)) /* Absolute value function */
64
65 #define max(x,y) (((x) > (y)) ? (x) : (y)) /* Max function */
66 #define min(x,y) (((x) < (y)) ? (x) : (y)) /* Min function */
67
68 /*************************** end of stdio.h *********************************/