Signature:

herr_t (*H5L_iterate2_t)
(
  hid_t               group,
  const char*         name,
  const H5L_info2_t*  info,
  void*               op_data
)

Info:

typedef struct {
    H5L_type_t          type;           /* Type of link                   */
    hbool_t             corder_valid;   /* Indicate if creation order is valid */
    int64_t             corder;         /* Creation order                 */
    H5T_cset_t          cset;           /* Character set of link name     */
    union {
        H5O_token_t     token;          /* Token of location that hard link points to */
        size_t          val_size;       /* Size of a soft link or UD link value */
    } u;
} H5L_info2_t;

typedef enum {
    H5L_TYPE_ERROR = (-1),      /* Invalid link type id         */
    H5L_TYPE_HARD = 0,          /* Hard link id                 */
    H5L_TYPE_SOFT = 1,          /* Soft link id                 */
    H5L_TYPE_EXTERNAL = 64,     /* External link id             */
    H5L_TYPE_MAX = 255          /* Maximum link type id         */
} H5L_type_t;

/*
 * Character set to use for text strings.  Do not change these values since
 * they appear in HDF5 files!
 */
typedef enum H5T_cset_t {
    H5T_CSET_ERROR       = -1,  /*error                                      */
    H5T_CSET_ASCII       = 0,   /*US ASCII                                   */
    H5T_CSET_UTF8        = 1,   /*UTF-8 Unicode encoding                     */
    H5T_CSET_RESERVED_2  = 2,   /*reserved for later use                     */
    H5T_CSET_RESERVED_3  = 3,   /*reserved for later use                     */
    H5T_CSET_RESERVED_4  = 4,   /*reserved for later use                     */
    H5T_CSET_RESERVED_5  = 5,   /*reserved for later use                     */
    H5T_CSET_RESERVED_6  = 6,   /*reserved for later use                     */
    H5T_CSET_RESERVED_7  = 7,   /*reserved for later use                     */
    H5T_CSET_RESERVED_8  = 8,   /*reserved for later use                     */
    H5T_CSET_RESERVED_9  = 9,   /*reserved for later use                     */
    H5T_CSET_RESERVED_10 = 10,  /*reserved for later use                     */
    H5T_CSET_RESERVED_11 = 11,  /*reserved for later use                     */
    H5T_CSET_RESERVED_12 = 12,  /*reserved for later use                     */
    H5T_CSET_RESERVED_13 = 13,  /*reserved for later use                     */
    H5T_CSET_RESERVED_14 = 14,  /*reserved for later use                     */
    H5T_CSET_RESERVED_15 = 15   /*reserved for later use                     */
} H5T_cset_t;

/* Type for object tokens */
typedef struct H5O_token_t {
    uint8_t __data[H5O_MAX_TOKEN_SIZE];
} H5O_token_t;

Returns: