#include <GL/glew.h>
#include <SDL2/SDL.h>

int main(void)
{
  int flags = SDL_WINDOW_OPENGL | SDL_RENDERER_PRESENTVSYNC;

  SDL_Init(SDL_INIT_EVERYTHING);
  auto window = SDL_CreateWindow("Warg", 0, 0, 320, 240, flags);
  auto context = SDL_GL_CreateContext(window);

  glewInit();
  glClearColor(0, 1, 0, 1);
  glClear(GL_COLOR_BUFFER_BIT);

  SDL_Event event;
  while (true)
  {
    while (SDL_PollEvent(&event))
      if (event.type == SDL_QUIT)
        goto quit;
      else if (event.type == SDL_KEYDOWN)
        switch (event.key.keysym.sym)
        {
          case SDLK_ESCAPE:
            goto quit;
            break;
        }
    SDL_Delay(10);
    SDL_GL_SwapWindow(window);
  }

quit:
  SDL_DestroyWindow(window);
  SDL_Quit();
  return 0;
}

#include <GL/glew.h>
#include <SDL2/SDL.h>

int main(void)
{
  int flags = SDL_WINDOW_OPENGL | SDL_RENDERER_PRESENTVSYNC;

  SDL_Init(SDL_INIT_EVERYTHING);
  auto window = SDL_CreateWindow("title", 0, 0, 320, 240, flags);
  auto context = SDL_GL_CreateContext(window);

  glewInit();
  glClearColor(0, 1, 0, 1);
  glClear(GL_COLOR_BUFFER_BIT);

  SDL_Event event;
  while (true)
  {
    while (SDL_PollEvent(&event))
      if (event.type == SDL_QUIT)
        goto quit;
      else if (event.type == SDL_KEYDOWN)
        switch (event.key.keysym.sym)
        {
          case SDLK_ESCAPE:
            goto quit;
            break;
        }
    SDL_Delay(10);
    SDL_GL_SwapWindow(window);
  }

quit:
  SDL_DestroyWindow(window);
  SDL_Quit();
  return 0;
}

--- 
+++ 
@@ -6,7 +6,7 @@
   int flags = SDL_WINDOW_OPENGL | SDL_RENDERER_PRESENTVSYNC;
 
   SDL_Init(SDL_INIT_EVERYTHING);
-  auto window = SDL_CreateWindow("title", 0, 0, 320, 240, flags);
+  auto window = SDL_CreateWindow("Warg", 0, 0, 320, 240, flags);
   auto context = SDL_GL_CreateContext(window);
 
   glewInit();
Change window title to 'Warg'
