Function hipDrvGraphMemcpyNodeGetParams 

pub unsafe extern "C" fn hipDrvGraphMemcpyNodeGetParams(
    hNode: hipGraphNode_t,
    nodeParams: *mut HIP_MEMCPY3D,
) -> hipError_t

@brief Gets a memcpy node’s parameters.

@param [in] hNode - instance of the node to get parameters from. @param [out] nodeParams - pointer to the parameters. @returns #hipSuccess, #hipErrorInvalidValue