4.3BSD-Reno/src/lib/libI77/lio.h

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *	@(#)lio.h	5.3 (Berkeley) 5/13/90
 */

/*
 * copy of ftypes from the compiler
 * variable types numeric assumptions:
 *	int < reals < complexes
 *	TYDREAL-TYREAL = TYDCOMPLEX-TYCOMPLEX
 */

#define TYUNKNOWN 0
#define TYADDR 1
#define TYSHORT 2
#define TYLONG 3
#define TYREAL 4
#define TYDREAL 5
#define TYCOMPLEX 6
#define TYDCOMPLEX 7
#define TYLOGICAL 8
#define TYCHAR 9
#define TYSUBR 10
#define TYERROR 11

#define NTYPES (TYERROR+1)
 
#define	LINE	80
#define LINTW	(strlen(buf))
#define	LLOGW	3
#define LSTRW	(len+2)
#define	LLOW	1.0e-1
#define	LHIGH	1.0e+6			/* 1.0e+LFD */
#define LDHIGH	1.0e+14			/* 1.0e+LDFD */
#define	LFD	6
#define	LFW	(LFD+4)
#define LDFD	14
#define LDFW	(LDFD+4)
#define	LED	LFD
#define	LEW	LFW+4
#define	LEE	2
#define LDED	LDFD
#define LDEW	LDFW+4
#define LDEE	2
#define LCW	(width(a)+width(b)+5)
#define LDCW	(dwidth(a)+dwidth(b)+5)

#define abs(z)	(z<0?-z:z)
#define width(z) ((z!=0.0 && (abs(z)>=LHIGH || abs(z)<LLOW))?LEW:LFW)
#define dwidth(z) ((z!=0.0 && (abs(z)>=LDHIGH || abs(z)<LLOW))?LDEW:LDFW)
#define ERR(x)	if(n=(x)) err(n>0?errflag:endflag,n,"list io")
#define ERRCHK(x)	if(n=(x)) goto got_err;
#define chk_len(w) if(recpos+w > line_len) PUT('\n');

typedef union
{	short	flshort;
	ftnint	flint;
	float	flreal;
	double	fldouble;
} flex;

extern int (*lioproc)();
extern flag leof;
extern ioflag lquit,l_first;
extern int lcount,line_len;