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

NAME
SDL_IOvprintf - Print to an SDL_IOStream data stream.
HEADER FILE
Defined in SDL3/SDL_iostream.h
SYNOPSIS
#include "SDL3/SDL.h" size_t SDL_IOvprintf(SDL_IOStream *context, const char *fmt, va_list ap);
DESCRIPTION
This function does formatted printing to the stream.
FUNCTION PARAMETERS
context a pointer to an SDL_IOStream structure. fmt a printf() style format string. ap a variable argument list.
RETURN VALUE
Returns the number of bytes written or 0 on failure; call SDL_GetError () for more information.
THREAD SAFETY
This function is not thread safe.
AVAILABILITY
This function is available since SDL 3.2.0.
SEE ALSO
•(3), SDL_IOprintf(3), •(3), SDL_WriteIO(3) Simple Directmedia Layer SDL 3.2.8 SDL_IOvprintf(3)