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

NAME
SDL_INVALID_UNICODE_CODEPOINT - The Unicode REPLACEMENT CHARACTER codepoint.
HEADER FILE
Defined in SDL3/SDL_stdinc.h
SYNOPSIS
#include "SDL3/SDL.h" #define SDL_INVALID_UNICODE_CODEPOINT 0xFFFD
DESCRIPTION
SDL_StepUTF8 () and SDL_StepBackUTF8 () report this codepoint when they encounter a UTF-8 string with encoding errors. This tends to render as something like a question mark in most places.
AVAILABILITY
This macro is available since SDL 3.2.0.
SEE ALSO
•(3), SDL_StepBackUTF8(3), •(3), SDL_StepUTF8(3) Simple Directmedia Layer SDL 3.2.8 SDL_INVALID_UNICODE_CODEPOINT(3)