Checkpoint: pull in mpm; merge pic from Taj's version of the world

src/cmd/mpm/misc.h

@@ -0,0 +1,41 @@
+#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 numbers
+extern int	pagetop, pagebot;	// printing margins
+extern int	physbot;		// physical bottom of the page