defs.h

<B>Digital的Unix操作系统VAX 4.2源码</B>

/*	@(#)defs.h	4.1	(ULTRIX)	7/17/90	*/

/************************************************************************
 *									*
 *			Copyright (c) 1988 by				*
 *		Digital Equipment Corporation, Maynard, MA		*
 *			All rights reserved.				*
 *									*
 *   This software is furnished under a license and may be used and	*
 *   copied  only  in accordance with the terms of such license and	*
 *   with the  inclusion  of  the  above  copyright  notice.   This	*
 *   software  or  any  other copies thereof may not be provided or	*
 *   otherwise made available to any other person.  No title to and	*
 *   ownership of the software is hereby transferred.			*
 *									*
 *   This software is  derived  from  software  received  from  the	*
 *   University    of   California,   Berkeley,   and   from   Bell	*
 *   Laboratories.  Use, duplication, or disclosure is  subject  to	*
 *   restrictions  under  license  agreements  with  University  of	*
 *   California and with AT&T.						*
 *									*
 *   The information in this software is subject to change  without	*
 *   notice  and should not be construed as a commitment by Digital	*
 *   Equipment Corporation.						*
 *									*
 *   Digital assumes no responsibility for the use  or  reliability	*
 *   of its software on equipment which is not supplied by Digital.	*
 *									*
 ************************************************************************/

/*
 * Public definitions, common to all.
 */

#include <stdio.h>

#define new(type)           ((type) malloc(sizeof(struct type)))
#define newarr(type, n)     ((type *) malloc((unsigned) (n) * sizeof(type)))
#define dispose(ptr)        { free((char *) ptr); ptr = 0; }

#define public
#define private static

#define ord(enumcon) ((unsigned int) enumcon)
#define nil 0
#define and &&
#define or ||
#define not !
#define div /
#define mod %
#define max(a, b)    ((a) > (b) ? (a) : (b))
#define min(a, b)    ((a) < (b) ? (a) : (b))

#define assert(b) { \
    if (not(b)) { \
	panic("assertion failed at line %d in file %s", __LINE__, __FILE__); \
    } \
}

#define badcaseval(v) { \
    panic("unexpected value %d at line %d in file %s", v, __LINE__, __FILE__); \
}

#define checkref(p) { \
    if (p == nil) { \
	panic("reference through nil pointer at line %d in file %s", \
	    __LINE__, __FILE__); \
    } \
}

typedef int Integer;
typedef int integer;
typedef char Char;
typedef double Real;
typedef double real;
typedef enum { false, true } Boolean;
typedef Boolean boolean;
typedef char *String;

#define strdup(s)       strcpy(malloc((unsigned) strlen(s) + 1), s)
#define streq(s1, s2)   (strcmp(s1, s2) == 0)

typedef FILE *File;
typedef int Fileid;
typedef String Filename;

#define get(f, var) fread((char *) &(var), sizeof(var), 1, f)
#define put(f, var) fwrite((char *) &(var), sizeof(var), 1, f)

#undef FILE

extern long atol();
extern double atof();
extern char *malloc();
extern String strcpy(), index(), rindex();
/* extern int strlen(); */

extern String cmdname;
extern String errfilename;
extern short errlineno;
extern int debug_flag[];