#include	<stdio.h>#include	<stdlib.h>#include	<math.h>#include	<ctype.h>#include	<string.h> // XXX: Apparently necessary for g++#define	typename tyname extern char	errbuf[];extern char	*progname;extern int	linenum;extern int	wantwarn; // #define	ERROR	fflush(stdout), fprintf(stderr, "%s: ", progname), fprintf(stderr,// #define	FATAL	), exit(1)// #define	WARNING	) #define	ERROR	fprintf(stdout, "\n#MESSAGE TO USER:  "), sprintf(errbuf,#define	FATAL	), fputs(errbuf, stdout), \		fprintf(stderr, "%s: ", progname), \		fputs(errbuf, stderr), \		fflush(stdout), \		exit(1)#define	WARNING	), fputs(errbuf, stdout), \		wantwarn ? \			fprintf(stderr, "%s: ", progname), \			fputs(errbuf, stderr) : 0, \		fflush(stdout) #define	eq(s,t)	(strcmp(s,t) == 0) inline int	max(int x, int y)	{ return x > y ? x : y; }inline int	min(int x, int y)	{ return x > y ? y : x; }inline int	abs(int x)		{ return (x >= 0) ? x : -x; } extern int	dbg; extern int	pn, userpn;		// actual and user-defined page numbersextern int	pagetop, pagebot;	// printing marginsextern int	physbot;		// physical bottom of the page