-#define PRINT_NODEID(X) fprintf(F, "n%ld", get_irn_node_nr(X))
-#define PRINT_TYPEID(X) fprintf(F, "\"t%ld\"", get_type_nr(X))
-#define PRINT_ENTID(X) fprintf(F, "e%ld", get_entity_nr(X))
-#define PRINT_IRGID(X) fprintf(F, "g%ld", get_irg_graph_nr(X))
-#define PRINT_CONSTID(X,Y) fprintf(F, "\"n%ldn%ld\"", get_irn_node_nr(X),get_irn_node_nr(Y))
-#define PRINT_CONSTBLKID(X,Y) fprintf(F, "n%ldb%ld", get_irn_node_nr(X),get_irn_node_nr(Y))
-#define PRINT_LOOPID(X) fprintf(F, "l%d", get_loop_loop_nr(X))
-#define PRINT_ITEMID(X,Y) fprintf(F, "i%ldT%d", get_type_nr(X), (Y))
-#define PRINT_EXTBBID(X) fprintf(F, "x%ld", get_irn_node_nr(X))
-
-extern int dump_dominator_information_flag;
-extern int opt_dump_pointer_values_to_info;
-extern int opt_dump_analysed_type_info;
-
-FILE *vcg_open(const ir_graph *irg, const char * suffix1, const char *suffix2);
-FILE *vcg_open_name(const char *name, const char *suffix);
-void dump_vcg_header(FILE *F, const char *name, const char *layout, const char *orientation);
-void dump_vcg_footer(FILE *F);
+#define PRINT_NODEID(X) ir_fprintf(F, "n%ld", get_irn_node_nr(X))
+#define PRINT_TYPEID(X) ir_fprintf(F, "\"t%ld\"", get_type_nr(X))
+#define PRINT_ENTID(X) ir_fprintf(F, "e%ld", get_entity_nr(X))
+#define PRINT_IRGID(X) ir_fprintf(F, "g%ld", get_irg_graph_nr(X))
+#define PRINT_CONSTID(X,Y) ir_fprintf(F, "\"n%ldn%ld\"", get_irn_node_nr(X),get_irn_node_nr(Y))
+#define PRINT_CONSTBLKID(X,Y) ir_fprintf(F, "n%ldb%ld", get_irn_node_nr(X),get_irn_node_nr(Y))
+#define PRINT_LOOPID(X) ir_fprintf(F, "l%ld", get_loop_loop_nr(X))
+#define PRINT_ITEMID(X,Y) ir_fprintf(F, "i%ldT%zu", get_type_nr(X), (Y))
+#define PRINT_EXTBBID(X) ir_fprintf(F, "x%ld", get_irn_node_nr(X))
+
+void dump_vcg_header(FILE *out, const char *name, const char *layout, const char *orientation);
+void dump_vcg_footer(FILE *out);