###### (This is the legacy documentation for SDL2, the previous stable version; [SDL3](https://wiki.libsdl.org/SDL3/) is the current stable version.)
# Uint64

An unsigned 64-bit integer type.

## Header File

Defined in [SDL_stdinc.h](https://github.com/libsdl-org/SDL/blob/SDL2/include/SDL_stdinc.h)

## Syntax

```c
typedef uint64_t Uint64;
#define SDL_MAX_UINT64  ((Uint64)0xFFFFFFFFFFFFFFFFull)     /* 18446744073709551615 */
#define SDL_MIN_UINT64  ((Uint64)(0x0000000000000000ull))   /* 0 */
```

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[CategoryAPI](CategoryAPI), [CategoryAPIDatatype](CategoryAPIDatatype), [CategoryStdInc](CategoryStdInc)