###### (This is the documentation for SDL3, which is the current stable version. [SDL2](https://wiki.libsdl.org/SDL2/) was the previous version!) # Uint64 An unsigned 64-bit integer type. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_stdinc.h) ## Syntax ```c typedef uint64_t Uint64; #define SDL_MAX_UINT64 SDL_UINT64_C(0xFFFFFFFFFFFFFFFF) /* 18446744073709551615 */ #define SDL_MIN_UINT64 SDL_UINT64_C(0x0000000000000000) /* 0 */ ``` ## Version This macro is available since SDL 3.1.3. ## See Also - [SDL_UINT64_C](SDL_UINT64_C) ---- [CategoryAPI](CategoryAPI), [CategoryAPIDatatype](CategoryAPIDatatype), [CategoryStdinc](CategoryStdinc)