Function sg_stack_graph_add_source_infos 

#[unsafe(no_mangle)]
pub extern "C" fn sg_stack_graph_add_source_infos(
    graph: *mut sg_stack_graph,
    count: usize,
    infos: *const sg_node_source_info,
)

Adds new source information to the stack graph. You provide an array of sg_node_source_info instances. Any existing source information for any node mentioned in the array is overwritten.