Provided by: libsdl3-doc_3.2.26+ds-2_all 

NAME
SDL_GetRenderer - Get the renderer associated with a window.
SYNOPSIS
#include <SDL3/SDL_render.h>
SDL_Renderer * SDL_GetRenderer(SDL_Window *window);
FUNCTION PARAMETERS
window the window to query.
RETURN VALUE
Returns the rendering context on success or NULL on failure; call SDL_GetError() for more information.
THREAD SAFETY
It is safe to call this function from any thread.
AVAILABILITY
This function is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.26 SDL_GetRenderer(3)