PK_ERROR_code_t PK_TOPOL_track_r_f ( --- received arguments --- PK_TOPOL_track_r_t *const tracking --- tracking information to free ) This function frees the PK memory referenced by the structure. The function will free all the PK memory referenced by the input structure. Internally, the function will use the PK_MEMORY_free function to free all the memory. All the fields within the structure will be initialised before being returned by the function.