1 files changed, 122 insertions, 0 deletions
diff --git a/src/preproc/pic/pic.h b/src/preproc/pic/pic.h
new file mode 100644
index 0000000..1a99498
--- /dev/null
+++ b/src/preproc/pic/pic.h
@@ -0,0 +1,122 @@
+/* Copyright (C) 1989-2020 Free Software Foundation, Inc.
+     Written by James Clark (jjc@jclark.com)
+
+This file is part of groff.
+
+groff 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.
+
+groff 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/>. */
+
+#include "lib.h"
+
+#include <assert.h>
+#include <errno.h>
+#include <math.h>
+#include <stdlib.h>
+
+#ifdef NEED_DECLARATION_RAND
+#undef rand
+extern "C" {
+  int rand();
+}
+#endif /* NEED_DECLARATION_RAND */
+
+#ifdef NEED_DECLARATION_SRAND
+#undef srand
+extern "C" {
+#ifdef RET_TYPE_SRAND_IS_VOID
+  void srand(unsigned int);
+#else
+  int srand(unsigned int);
+#endif
+}
+#endif /* NEED_DECLARATION_SRAND */
+
+#ifndef HAVE_FMOD
+extern "C" {
+  double fmod(double, double);
+}
+#endif
+
+#include "cset.h"
+#include "stringclass.h"
+#include "lf.h"
+#include "errarg.h"
+#include "error.h"
+#include "position.h"
+#include "text.h"
+#include "output.h"
+
+#ifndef M_SQRT2
+#define M_SQRT2	1.41421356237309504880
+#endif
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+class input {
+  input *next;
+public:
+  input();
+  virtual ~input();
+  virtual int get() = 0;
+  virtual int peek() = 0;
+  virtual int get_location(const char **, int *);
+  friend class input_stack;
+  friend class copy_rest_thru_input;
+};
+
+class file_input : public input {
+  FILE *fp;
+  const char *filename;
+  int lineno;
+  string line;
+  const char *ptr;
+  int read_line();
+public:
+  file_input(FILE *, const char *);
+  ~file_input();
+  int get();
+  int peek();
+  int get_location(const char **, int *);
+};
+
+void lex_init(input *);
+int get_location(char **, int *);
+
+void do_copy(const char *file);
+void parse_init();
+void parse_cleanup();
+
+void lex_error(const char *message,
+	       const errarg &arg1 = empty_errarg,
+	       const errarg &arg2 = empty_errarg,
+	       const errarg &arg3 = empty_errarg);
+
+void lex_warning(const char *message,
+		 const errarg &arg1 = empty_errarg,
+		 const errarg &arg2 = empty_errarg,
+		 const errarg &arg3 = empty_errarg);
+
+void lex_cleanup();
+
+extern bool want_flyback;
+extern bool want_alternate_flyback;
+extern int command_char;
+// zero_length_line_flag is non-zero if zero-length lines are drawn 
+// as dots by the output device
+extern int zero_length_line_flag;
+extern int driver_extension_flag;
+extern int compatible_flag;
+extern int safer_flag;
+extern char *graphname;