1 files changed, 46 insertions, 0 deletions
diff --git a/gnu/usr.bin/cc/include/input.h b/gnu/usr.bin/cc/include/input.h
new file mode 100644
index 0000000..39590e2
--- /dev/null
+++ b/gnu/usr.bin/cc/include/input.h
@@ -0,0 +1,46 @@
+/* Declarations for variables relating to reading the source file.
+   Used by parsers, lexical analyzers, and error message routines.
+
+   Copyright (C) 1993 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC 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 2, or (at your option)
+any later version.
+
+GNU CC 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 CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+/* Source file current line is coming from.  */
+extern char *input_filename;
+
+/* Top-level source file.  */
+extern char *main_input_filename;
+
+/* Line number in current source file.  */
+extern int lineno;
+
+/* Stream for reading from input file.  */
+extern FILE *finput;
+
+struct file_stack
+  {
+    char *name;
+    struct file_stack *next;
+    int line;
+  };
+
+/* Stack of currently pending input files.
+   The line member is not accurate for the innermost file on the stack.  */
+extern struct file_stack *input_file_stack;
+
+/* Incremented on each change to input_file_stack.  */
+extern int input_file_stack_tick;