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

NAME
SDL_Unsupported - A macro to standardize error reporting on unsupported operations.
HEADER FILE
Defined in SDL3/SDL_error.h
SYNOPSIS
#include "SDL3/SDL.h" #define SDL_Unsupported() SDL_SetError(Thatoperationisnotsupported")
DESCRIPTION
This simply calls SDL_SetError () with a standardized error string, for convenience, consistency, and clarity.
THREAD SAFETY
It is safe to call this macro from any thread.
AVAILABILITY
This macro is available since SDL 3.2.0. Simple Directmedia Layer SDL 3.2.8 SDL_Unsupported(3)