return GLEW_OK;
}

#else /* _UNIX */

GLboolean glxewGetExtension (const char *name)
{    
  char *p, *end;
  int len = _glewStrLen(name);
#if 1
  if (glXQueryExtensionsString == NULL || glXGetCurrentDisplay == NULL) return GL_FALSE;
  p = (char*)glXQueryExtensionsString(glXGetCurrentDisplay(), DefaultScreen(glXGetCurrentDisplay()));
#else
  /* Temporary fix to avoid using glXGetCurrentDisplay,
     which crashes GLEW on some configurations. */
  {
    Display *dpy;
    if (glXQueryExtensionsString == NULL) return GL_FALSE;
    dpy = XOpenDisplay(NULL);
    if (dpy == NULL) return GL_FALSE;
    p = (char*)glXQueryExtensionsString(dpy, DefaultScreen(dpy));
    XCloseDisplay(dpy);
  }
#endif
  if (0 == p) return GL_FALSE;
  end = p + _glewStrLen(p);
  while (p < end)
  {
    int n = _glewStrCLen(p, ' ');
    if (len == n && _glewStrSame(name, p, n)) return GL_TRUE;
    p += n+1;
  }
  return GL_FALSE;
}

static GLuint _glxewInit ()
{
  int major, minor;
  /* initialize core GLX 1.2 */
  if (_glewInit_GLX_VERSION_1_2()) return GLEW_ERROR_GLX_VERSION_11_ONLY;
  /* query GLX version */
#if 1
  glXQueryVersion(glXGetCurrentDisplay(), &major, &minor);
#else
  /* Temporary fix to avoid using glXGetCurrentDisplay, 
     which crashes GLEW on some configurations. */
  {
    Display* dpy = XOpenDisplay(NULL);
    if (dpy == NULL) return GLEW_ERROR_GLX_VERSION_11_ONLY;
    glXQueryVersion(dpy, &major, &minor);
    XCloseDisplay(dpy);
  }
#endif
  switch (minor)
  {
    case 4:
    GLXEW_VERSION_1_4 = GL_TRUE;
    case 3:
    GLXEW_VERSION_1_3 = GL_TRUE;
    case 2:
    GLXEW_VERSION_1_2 = GL_TRUE;
    GLXEW_VERSION_1_1 = GL_TRUE;
    GLXEW_VERSION_1_0 = GL_TRUE;
    break;
    default:
    return GLEW_ERROR_GLX_VERSION_11_ONLY;
    break;
  }
  /* initialize extensions */