int glfwErr = glfwInit();
assert(glfwInit() == GL_TRUE);

int openGLVerMaj = 3,
    openGLVerMin = 2;

glfwOpenWindowHint(GLFW_OPENGL_VERSION_MAJOR, openGLVerMaj);
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MINOR, openGLVerMin);
glfwOpenWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_COMPAT_PROFILE);

glfwErr = glfwOpenWindow(   800, 600, // returns GL_FALSE
    0,0,0,0, 0,0, GLFW_WINDOW );