Function hipGraphMemcpyNodeGetParams 

pub unsafe extern "C" fn hipGraphMemcpyNodeGetParams(
    node: hipGraphNode_t,
    pNodeParams: *mut hipMemcpy3DParms,
) -> hipError_t

@brief Gets a memcpy node’s parameters.

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