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

NAME
SDL_VERSIONNUM - This macro turns the version numbers into a numeric value.
SYNOPSIS
#include <SDL3/SDL_version.h>
#define SDL_VERSIONNUM(major, minor, patch) \
((major) * 1000000 + (minor) * 1000 + (patch))
DESCRIPTION
(1,2,3) becomes 1002003.
MACRO PARAMETERS
major the major version number.
minor the minorversion number.
patch the patch version number.
AVAILABILITY
This macro is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.20 SDL_VERSIONNUM(3)