Function sg_forward_partial_path_stitcher_from_partial_paths 

#[unsafe(no_mangle)]
pub extern "C" fn sg_forward_partial_path_stitcher_from_partial_paths(
    graph: *const sg_stack_graph,
    partials: *mut sg_partial_path_arena,
    count: usize,
    initial_partial_paths: *const sg_partial_path,
) -> *mut sg_forward_partial_path_stitcher

Creates a new forward partial path stitcher that is “seeded” with a set of initial partial paths.