Provided by: libsdl3-doc_3.2.8+ds-1_all 

NAME
SDL_PLATFORM_OS2 - A preprocessor macro that is only defined if compiling for OS/2.
HEADER FILE
Defined in SDL3/SDL_platform_defines.h
SYNOPSIS
#include "SDL3/SDL.h" #define SDL_PLATFORM_OS2 1
AVAILABILITY
This macro is available since SDL 3.2.0. Simple Directmedia Layer SDL 3.2.8 SDL_PLATFORM_OS2(3)