TTF_AddFallbackFont - Add a fallback font.

       This function is available since SDL_ttf 3.0.0.

       Add  a font that will be used for glyphs that are not in the current font.  The fallback font should have
       the same size and style as the current font.

       If there are multiple fallback fonts, they are used in the order added.

       This updates any TTF_Text
        objects using this font.

font   the font to modify.

       fallback
              the font to add as a fallback.

       Defined in SDL3_ttf/SDL_ttf.h

       TTF_AddFallbackFont - Add a fallback font.

       Returns true on success or false on failure; call SDL_GetError() for more information.

•(3), TTF_ClearFallbackFonts(3), •(3), TTF_RemoveFallbackFont(3)

SDL_ttf                                           SDL_ttf 3.2.2                           TTF_AddFallbackFont(3)

#include"SDL3_ttf/SDL_ttf.h"boolTTF_AddFallbackFont(TTF_Font*font,TTF_Font*fallback);

       This function should be called on the thread that created both fonts.