Function store_copy_closure 

pub unsafe extern "C" fn store_copy_closure(
    context: *mut c_context,
    srcStore: *mut Store,
    dstStore: *mut Store,
    path: *mut StorePath,
) -> err

@brief Copy the closure of path from srcStore to dstStore.

@param[out] context Optional, stores error information @param[in] srcStore nix source store reference @param[in] dstStore nix destination store reference @param[in] path Path to copy