dmm_init(heap_context_t* heap);
int
-lxsbrk(heap_context_t* heap, void* addr);
+lxbrk(heap_context_t* heap, void* addr);
+
void*
-lxbrk(heap_context_t* heap, size_t size);
+lxsbrk(heap_context_t* heap, size_t size);
void*
lx_malloc_internal(heap_context_t* heap, size_t size);