Initial revision

diff --git a/rule.h b/rule.h
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+++ b/rule.h
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+/* Copyright (C) 1988, 1989 Free Software Foundation, Inc.
+This file is part of GNU Make.
+
+GNU Make is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 1, or (at your option)
+any later version.
+
+GNU Make is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Make; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+/* Structure used for pattern rules.  */
+
+struct rule
+  {
+    struct rule *next;
+    char **targets;            /* Targets of the rule.  */
+    unsigned int *lens;                /* Lengths of each target.  */
+    char **suffixes;           /* Suffixes (after `%') of each target.  */
+    struct dep *deps;          /* Dependencies of the rule.  */
+    struct commands *cmds;     /* Commands to execute.  */
+    char terminal;             /* If terminal (double-colon).  */
+    char subdir;               /* If references nonexistent subdirectory.  */
+    char in_use;               /* If in use by a parent pattern_search.  */
+  };
+
+/* For calling install_pattern_rule.  */
+struct pspec
+  {
+    char *target, *dep, *commands;
+  };
+
+
+extern struct rule *pattern_rules;
+extern struct rule *last_pattern_rule;
+extern unsigned int num_pattern_rules;
+
+extern unsigned int max_pattern_deps;
+extern unsigned int max_pattern_dep_length;
+
+extern struct file *suffix_file;
+extern unsigned int maxsuffix;
+
+
+extern void install_pattern_rule ();