[Xcb] how to use xcb_glx_get_fb_configs_property_list?

[Barton C Massey]

In message <200712221004.49907.adz21c at googlemail.com> you wrote:
> One thing I was curious about (which you may be able to
> answer as I would guess its an Xcb general rule) is the
> length member of the xcb_glx_get_fb_config_reply
> structure the size of the structure in bytes?

All I can ever remember is that as a general rule you should
ignore the reply size member.  Variable-size replies always
have a _length() function to return the number of elements
in the variable part----use that instead.

    Bart