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/*
* Global definitions for ivd2dvi. Copyright 1988 by Larry Denenberg.
* May be freely distributed as long as this notice is retained.
*/
#define TRUE 1
#define FALSE 0
/*
* Buffer sizing and allocation is explained in io.c.
*/
#define BUFDEFAULTSIZE 1024
#define SMALLBUFDIVISOR 16
#define MAXFILENAMESIZE 256
#define TFMAREADEFAULT "/usr/local/lib/tex/fonts"
/*
* Values of /State/; see the overview in ivd2dvi.c.
*/
#define LTYPESETTING 0
#define RTYPESETTING 1
#define SIMULATING 2
/*
* Allocate an object of type T or a sequence of N such objects.
*/
#define OBJALLOC(T) ((T *) malloc(sizeof(T)))
#define SEQALLOC(N,T) ((T *) calloc((unsigned) N, sizeof(T)))
/*
* Library routines declared to avoid lint errors.
*/
extern char *calloc(), *malloc(), *rindex(), *index(), *getenv();
extern void exit();
/*
* Useful types. If your compiler doesn't recognize unsigned char,
* you'll have to find another one-byte unsigned integer.
*/
typedef unsigned char unsigned_byte;
typedef short boolean;
/*
* Structure for font information. Note that /charwidths/ is a table
* of length ec-bc+1 giving the width of each character; each entry
* in this table is an index into the /widths/ table where the widths
* really reside. Further information is in the file auxiliary.c.
*/
typedef struct font {
long number; /* font number in the DVI file */
char *area, *name; /* strings naming the associated file */
long checksum, scalefactor; /* you figure this one out */
boolean loaded; /* TRUE iff we've read the TFM file */
int nw; /* number of distinct widths */
long *widths; /* the distinct widths */
int bc, ec; /* beginning and ending char numbers */
unsigned_byte *charwidths; /* widths of the individual characters */
struct font *nextfont; /* pointer to the next font */
} font;
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