small_glut_key_test.cxx

#include <GL/glut.h>
#include <iostream>

auto main() -> int
{
  int number_of_arguments = 0;
  glutInit(&number_of_arguments, nullptr);
  glutCreateWindow("glut key test");
  glutKeyboardFunc([](unsigned char key, int x, int y){ std::cerr << +key << " " << x << " " << y << "\n"; });
  glutMainLoop();
}