SDL_vswprintf - This works exactly like vswprintf() but doesn't require access to a C runtime.

       This function is available since SDL 3.2.0.

Simple Directmedia Layer                           SDL 3.2.10                                   SDL_vswprintf(3)

       Functions  identically  to  SDL_swprintf  (),  except  it  takes a va_list instead of using ...  variable
       arguments.

text   the buffer to write the string into. Must not be NULL.

       maxlen the maximum wide characters to write, including the null-terminator.

       fmt    a printf-style format wide string. Must not be NULL.

       ap     a va_list values to be used with the format string.

       Defined in SDL3/SDL_stdinc.h

       SDL_vswprintf - This works exactly like vswprintf() but doesn't require access to a C runtime.

       Returns the number of wide characters that should be written, not counting the null-terminator char, or a
       negative value on error.

#include"SDL3/SDL.h"intSDL_vswprintf(wchar_t*text,size_tmaxlen,constwchar_t*fmt,va_listap);

       It is safe to call this function from any thread.