15#include <ecoli/node.h>
struct ec_node * ec_node_option(const char *id, struct ec_node *node)
Create an option node that makes its child optional.
int ec_node_option_set_child(struct ec_node *gen_node, struct ec_node *child)
Set the child of an option node.
struct ec_node * ec_node(const char *typename, const char *id)
Create a new node from its type name.