Provided by: libsdl3-doc_3.2.20+ds-2_all 

NAME
SDL_PRIu64 - A printf-formatting string for a Uint64 value.
SYNOPSIS
#include <SDL3/SDL_stdinc.h>
#define SDL_PRIu64 "llu"
DESCRIPTION
Use it like this:
SDL_Log("There are %" SDL_PRIu64 " bottles of beer on the wall.", bottles);
AVAILABILITY
This macro is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.20 SDL_PRIu64(3)