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+/* cmdline.h
+ Copyright (C) 2005,2006,2007 Eugene K. Ressler, Jr.
+
+This file is part of Sketch, a small, simple system for making
+3d drawings with LaTeX and the PSTricks or TikZ package.
+
+Sketch 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, or (at your option)
+any later version.
+
+Sketch 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 Sketch; see the file COPYING.txt. If not, see
+http://www.gnu.org/copyleft */
+
+#ifndef __CMDLINE_H
+#define __CMDLINE_H
+
+#include "langver.h"
+#include "symbol.h"
+
+typedef struct cmd_opt_env_t
+{
+ int i; // index of opt currently being processed (init zero)
+ int argc; // cmd line param count
+ char **argv; // cmd line params
+ SYMBOL_TABLE *sym_tab; // symbol table
+ int bsp_only_p; // bsp only (default off)
+ char *doc_template_file_name; // document template file name (default NULL)
+ char *out_file_name; // output file name (default NULL for stdout)
+ int skip_input_p; // true for options where processing input makes no sense
+ int n_files; // number of input file names
+ PST_VERSION pst_version[1]; // version of pstricks to generate for output
+}
+CMD_LINE_OPT_ENV;
+
+void usage (int exit_code);
+
+// process argv[1..argc-1] to fill in env and prepare it for wrapping
+void process_global_options (CMD_LINE_OPT_ENV * env, int argc, char **argv,
+ SYMBOL_TABLE * sym_tab);
+
+// advance the environment initialized above until the next filename has been found
+// return a pointer to the name or NULL if there is none
+char *advance_to_next_file_name (CMD_LINE_OPT_ENV * env);
+
+#endif