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diff --git a/teensy/teensy_mem.h b/teensy/teensy_mem.h
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+#ifndef TEENSY_MEM_H_
+#define TEENSY_MEM_H_
+
+#include <stdlib.h>
+
+// NOTE: Overrides GLFW allocator
+void ty_init_mem(void);
+void ty_deinit_mem(void);
+void ty_free_temp_allocs(void);
+// Temp allocation. Freed at the end of every frame. Do NOT realloc.
+void *ty_talloc(size_t size);
+
+// These mem_* functions handle the case of a bad allocation. No need to check
+// for NULL after allocating with these. In debug builds, they will also track
+// allocations and report any memory still in use when the program exits.
+
+void *ty_alloc(size_t size);
+void *ty_realloc(void *ptr, size_t new_size);
+void ty_free(void *ptr);
+
+// Returns -1 in release builds.
+int ty_alloc_count(void);
+
+#endif // TEENSY_MEM_H_