<pre><code class="language-c">ssize_t H5Fget_obj_ids( hid_t file_id, unsigned int types, size_t max_objs, hid_t *obj_id_list )</code></pre>

<pre><code class="language-fortran">SUBROUTINE h5fget_obj_ids_f(file_id, obj_type, max_objs, obj_ids, hdferr, num_objs)

  IMPLICIT NONE 
  INTEGER(HID_T), INTENT(IN)   :: file_id  ! File identifier
  INTEGER,        INTENT(IN)   :: obj_type ! Object types, possible values are:
                                           !     H5F_OBJ_FILE_F
                                           !     H5F_OBJ_GROUP_F
                                           !     H5F_OBJ_DATASET_F
                                           !     H5F_OBJ_DATATYPE_F
                                           !     H5F_OBJ_ALL_F
  INTEGER(SIZE_T), INTENT(IN)  :: max_objs ! Maximum number of object 
                                           ! identifiers to retrieve
  INTEGER(HID_T), DIMENSION(*), INTENT(OUT) :: obj_ids
                                           ! Array of requested object 
                                           ! identifiers
  INTEGER, INTENT(OUT)        :: hdferr    ! Error code 
                                           ! 0 on success and -1 on failure
  INTEGER(SIZE_T), INTENT(OUT), OPTIONAL :: num_objs 
                                           ! number of open objects of the specified type
END SUBROUTINE h5fget_obj_ids_f</code></pre>