-extern char *spec_file_prefix; /* for -b */
-extern char *spec_name_prefix; /* for -p */
-
-extern int debugflag; /* for -t */
-extern int definesflag; /* for -d */
-extern int nolinesflag; /* for -l */
-extern int noparserflag; /* for -n */
-extern int rawtoknumflag; /* for -r */
-extern int statisticsflag;
-extern int toknumflag; /* for -k */
-extern int verboseflag; /* for -v */
-extern int yaccflag; /* for -y */
+extern char *spec_file_prefix; /* for -b */
+extern char *spec_name_prefix; /* for -p */
+extern const char *skeleton; /* for -S */
+extern const char *include; /* for -I */
+
+extern int debug_flag; /* for -t */
+extern int defines_flag; /* for -d */
+extern int locations_flag;
+extern int no_lines_flag; /* for -l */
+extern int no_parser_flag; /* for -n */
+extern int token_table_flag; /* for -k */
+extern int verbose_flag; /* for -v */
+extern int error_verbose_flag; /* for -e */
+extern int graph_flag; /* for -g */
+extern int yacc_flag; /* for -y */
+extern int trace_flag;