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 *********************************/