PK_ERROR_code_t PK_FACE_identify_blends_r_f ( --- received arguments --- PK_FACE_identify_blends_r_t *const blend_returns ) Free the memory associated with the given structure. The function will free all the PK memory referenced by the results 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.