add_merge_hook
add_merge_hook(my_id, &merge_func);
add_merge_hook(my_id, &merge_hook);
add_merge_hook(my_id, &merge_states);
void add_merge_hook(int client_id, merge_func_t *func);
add_merge_hook(my_id, &merge_bstates);
add_merge_hook(link_id, &merge_links);
add_merge_hook(my_size_id, &merge_estates);
add_merge_hook(my_size_id, &merge_size_func);
add_merge_hook(comparison_id, &merge_compare_states);
add_merge_hook(link_id, &merge_links);
add_merge_hook(my_id, &merge_func);
add_merge_hook(param_id, &merge_str_state);
add_merge_hook(my_id, &merge_estates);
add_merge_hook(link_id, &merge_link_states);
add_merge_hook(my_id, &merge_is_empty);
add_merge_hook(my_id, &merge_estates);
add_merge_hook(link_id, &merge_link_states);
add_merge_hook(compare_id, &merge_compare_states);
add_merge_hook(link_id, &merge_links);
add_merge_hook(my_id, &merge_estates);
add_merge_hook(my_id, &merge_estates);
add_merge_hook(my_id, &merge_estates);
add_merge_hook(my_id, &merge_tag_info);
add_merge_hook(my_id, &merge_estates);
add_merge_hook(my_id, &merge_states);
add_merge_hook(link_id, &merge_links);
add_merge_hook(my_strlen_id, &merge_estates);