| heap_storage | Pointer to array of lbm_cons_t to use as heap. This array must be aligned 4 at least. |
| heap_size | Size of heap storage array in number of lm_cons_t. |
| memory | Pointer to lbm_uint array to use for the arrays and symbols memory. This array must be aligned 4 at least. |
| memory_size | Size of the memory array. |
| memory_bitmap | Pointer to lbm_uint array to use for the memory subsystem meta-data. |
| bitmap_size | Size of the memory meta-data array. |
| gc_stack_size | Size in number of lbm_uint values to use for the GC stack. |
| print_stack_size | Size in number of lbm_uint values of the print stack. |
| extension_storage | Array of lbm_extension_t pointers. |
| extension_storage_size | Size of extension array. |