-static reg_errcode_t sub_epsilon_src_nodes (re_dfa_t *dfa, int node,
- re_node_set *dest_nodes,
- const re_node_set *and_nodes) internal_function;
-static int check_dst_limits (re_match_context_t *mctx, re_node_set *limits,
- int dst_node, int dst_idx, int src_node,
- int src_idx) internal_function;
-static int check_dst_limits_calc_pos_1 (re_match_context_t *mctx,
- int boundaries, int subexp_idx,
- int from_node, int bkref_idx) internal_function;
-static int check_dst_limits_calc_pos (re_match_context_t *mctx,
- int limit, int subexp_idx,
- int node, int str_idx,
- int bkref_idx) internal_function;
+static int check_dst_limits (const re_match_context_t *mctx,
+ const re_node_set *limits,
+ Idx dst_node, Idx dst_idx, Idx src_node,
+ Idx src_idx) internal_function;
+static int check_dst_limits_calc_pos_1 (const re_match_context_t *mctx,
+ int boundaries, Idx subexp_idx,
+ Idx from_node, Idx bkref_idx) internal_function;
+static int check_dst_limits_calc_pos (const re_match_context_t *mctx,
+ Idx limit, Idx subexp_idx,
+ Idx node, Idx str_idx,
+ Idx bkref_idx) internal_function;