Data Structures
Here are the data structures with brief descriptions:

hwloc_distances_s | Distances between objects
hwloc_obj | Structure of a topology object
hwloc_obj_attr_u | Object type-specific Attributes
hwloc_bridge_attr_s | Bridge specific Object Attribues
hwloc_cache_attr_s | Cache-specific Object Attributes
hwloc_group_attr_s | Group-specific Object Attributes
hwloc_osdev_attr_s | OS Device specific Object Attributes
hwloc_pcidev_attr_s | PCI Device specific Object Attributes
hwloc_obj_info_s | Object info
hwloc_obj_memory_s | Object memory
hwloc_obj_memory_page_type_s | Array of local memory page types, `NULL` if no local memory and `page_types` is 0
hwloc_topology_cpubind_support | Flags describing actual PU binding support for this topology
hwloc_topology_discovery_support | Flags describing actual discovery support for this topology
hwloc_topology_membind_support | Flags describing actual memory binding support for this topology
hwloc_topology_support | Set of flags describing actual support for this topology