A signed 64-bit integer type.
Defined in <SDL3/SDL_stdinc.h>
typedef int64_t Sint64;
#define SDL_MAX_SINT64 SDL_SINT64_C(0x7FFFFFFFFFFFFFFF) /* 9223372036854775807 */
#define SDL_MIN_SINT64 ~SDL_SINT64_C(0x7FFFFFFFFFFFFFFF) /* -9223372036854775808 */
This macro is available since SDL 3.1.3.