Function sg_partial_path_database_mark_local_nodes 

#[unsafe(no_mangle)]
pub extern "C" fn sg_partial_path_database_mark_local_nodes(
    db: *mut sg_partial_path_database,
    count: usize,
    nodes: *const sg_node_handle,
)

Marks that a list of stack graph nodes are local.

This method is meant to be used at query time. You will have precalculated the set of local nodes for a file at index time; at query time, you will load this information from your storage layer and use this method to update our internal view of which nodes are local.