Here is a list of all struct and union fields with links to the structures/unions they belong to:

• block_size : mi_heap_area_t
• blocks : mi_heap_area_t
• committed : mi_heap_area_t
• full_block_size : mi_heap_area_t
• heap_tag : mi_heap_area_t
• reserved : mi_heap_area_t
• used : mi_heap_area_t