From f645fe3187da37fe56debb7ffceb5fac64847bad Mon Sep 17 00:00:00 2001
From: Keith Bostic <bostic@ucbvax.Berkeley.EDU>
Date: Tue, 3 Sep 1991 18:43:34 -0800
Subject: [PATCH] New version from Oz Yigit

SCCS-vsn: usr.bin/m4/extern.h 5.1
SCCS-vsn: usr.bin/m4/stdd.h 5.1
---
 usr/src/usr.bin/m4/extern.h | 68 +++++++++++++++++++++++++++++++++++++
 usr/src/usr.bin/m4/stdd.h   | 30 ++++++++++++++++
 2 files changed, 98 insertions(+)
 create mode 100644 usr/src/usr.bin/m4/extern.h
 create mode 100644 usr/src/usr.bin/m4/stdd.h

diff --git a/usr/src/usr.bin/m4/extern.h b/usr/src/usr.bin/m4/extern.h
new file mode 100644
index 0000000000..3cc8a45a80
--- /dev/null
+++ b/usr/src/usr.bin/m4/extern.h
@@ -0,0 +1,68 @@
+/*-
+ * Copyright (c) 1991 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ozan Yigit.
+ *
+ * %sccs.include.redist.c%
+ *
+ *	@(#)extern.h	5.1 (Berkeley) %G%
+ */
+
+char	*basename __P((char *));
+char	*xalloc __P((unsigned long));
+int	expr __P((char *));
+ndptr	addent __P((char *));
+void	chrsave __P((int));
+void	dochc __P((char *[], int));
+void	dochq __P((char *[], int));
+void	dodefine __P((char *, char *));
+void	dodefn __P((char *));
+void	dodiv __P((int));
+void	dodump __P((char *[], int));
+void	doifelse __P((char *[], int));
+int	doincl __P((char *));
+int	dopaste __P((char *));
+void	dopushdef __P((char *, char *));
+void	dosub __P((char *[], int));
+void	doundiv __P((char *[], int));
+void	eval __P((char *[], int, int));
+void	expand __P((char *[], int));
+void	getdiv __P((int));
+char	*xstrdup __P((const char *));
+int	hash __P((char *));
+int	indx __P((char *, char *));
+void	killdiv __P((void));
+ndptr	lookup __P((char *));
+void	map __P((char *, char *, char *, char *));
+void	onintr __P((int));
+void	oops __P((const char *, ...));
+void	pbnum __P((int));
+void	pbstr __P((char *));
+void	putback __P((int));
+void	remhash __P((char *, int));
+void	usage __P((void));
+
+extern ndptr hashtab[];		/* hash table for macros etc. */
+extern stae mstack[];		/* stack of m4 machine */
+extern FILE *active;		/* active output file pointer */
+extern FILE *infile[];		/* input file stack (0=stdin) */
+extern FILE *outfile[];		/* diversion array(0=bitbucket) */
+extern int fp; 			/* m4 call frame pointer */
+extern int ilevel;		/* input file stack pointer */
+extern int oindex;		/* diversion index. */
+extern int sp;			/* current m4 stack pointer */
+extern char *bp;		/* first available character */
+extern char buf[];		/* push-back buffer */
+extern char ecommt;		/* end character for comment */
+extern char *endest;		/* end of string space */
+extern char *endpbb;		/* end of push-back buffer */
+extern char *ep;		/* first free char in strspace */
+extern char lquote;		/* left quote character (`) */
+extern char *m4temp;		/* filename for diversions */
+extern char *m4wraps;		/* m4wrap string default. */
+extern char *null;		/* as it says.. just a null. */
+extern char *progname;		/* program name */
+extern char rquote;		/* right quote character (') */
+extern char scommt;		/* start character for comment */
diff --git a/usr/src/usr.bin/m4/stdd.h b/usr/src/usr.bin/m4/stdd.h
new file mode 100644
index 0000000000..8e4ddd11ed
--- /dev/null
+++ b/usr/src/usr.bin/m4/stdd.h
@@ -0,0 +1,30 @@
+/*-
+ * Copyright (c) 1991 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ozan Yigit.
+ *
+ * %sccs.include.redist.c%
+ *
+ *	@(#)stdd.h	5.1 (Berkeley) %G%
+ */
+
+/*
+ * standard defines
+ */
+
+#define max(a,b) ((a) > (b)? (a): (b))
+#define min(a,b) ((a) < (b)? (a): (b))
+
+#define iswhite(c) ((c) == ' ' || (c) == '\t')
+
+/* 
+ * STREQ is an optimised strcmp(a,b)==0 
+ * STREQN is an optimised strncmp(a,b,n)==0; assumes n > 0 
+ */
+#define STREQ(a, b) ((a)[0] == (b)[0] && strcmp(a, b) == 0)
+#define STREQN(a, b, n) ((a)[0] == (b)[0] && strncmp(a, b, n) == 0)
+
+#define YES 1
+#define NO 0
-- 
2.20.1