--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lwcc/cpp/cpp.h	Sun Sep 08 21:58:12 2013 -0600
@@ -0,0 +1,57 @@
+/*
+lwcc/cpp/cpp.h
+
+Copyright © 2013 William Astle
+
+This file is part of LWTOOLS.
+
+LWTOOLS 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 3 of the License, or (at your option) any later
+version.
+
+This program 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
+this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef cpp_h_seen___
+#define cpp_h_seen___
+
+#include <stdio.h>
+
+enum
+{
+	CPP_NOUNG = -3,
+	CPP_EOL = -2,
+	CPP_EOF = -1,
+};
+
+struct file_stack_e
+{
+	const char *fn;
+	FILE *fp;
+	struct file_stack_e *next;
+	int line;
+	int col;
+	int eolstate;			// end of line state for interpreting \r\n \n\r \n \r
+	int ra;					// read ahead byte for trigraph scan
+	int qseen;				// number of ? seen during trigraph scan
+	int unget;				// character that has been "ungot"
+	int curc;				// the most recent character retrieved
+};
+
+extern FILE *output_fp;
+extern int trigraphs;
+extern struct file_stack_e *file_stack;
+
+extern int process_file(const char *);
+
+extern void do_error(const char *, ...);
+extern void do_warning(const char *, ...);
+
+#endif // cpp_h_seen___