# Uint32 An unsigned 32-bit integer type. ## Header File Defined in [<SDL3/SDL_stdinc.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_stdinc.h) ## Syntax ```c typedef uint32_t Uint32; #define SDL_MAX_UINT32 ((Uint32)0xFFFFFFFFu) /* 4294967295 */ #define SDL_MIN_UINT32 ((Uint32)0x00000000) /* 0 */ ``` ## Version This macro is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIDatatype](CategoryAPIDatatype), [CategoryStdinc](CategoryStdinc)