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#ifndef NODE_H
#define NODE_H
typedef struct node_struct {
int val;
struct node_struct *next;
struct node_struct *prev;
} node_t;
/** @brief Create a new node after specified node
*
* @param node Pointer to node where new node should be inserted, can also be NULL
* @param val Value to add to new node
*/
node_t *node_insert(node_t *node, int val);
/** @brief Pop node from chain and free's the resource
*
* @return Value in node
*/
int node_pop(node_t *node);
#endif
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