Man page - sdl_prillu(3)

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Package: libsdl3-doc
apt-get install libsdl3-doc

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SDL_PRILLu - A printf-formatting string for a unsigned long long value.

Defined in SDL3/SDL_stdinc.h

#include "SDL3/SDL.h"

#define SDL_PRILLu SDL_PRILL_PREFIX u"

Use it like this:

SDL_Log("There are %" SDL_PRILLu " bottles of beer on the wall.", bottles);

This macro is available since SDL 3.2.0.