sdl_gl_getprocaddress is null "glGenQueries" on XP

Hello, I have no clue how to get this function on windows under SDL.
Any ideas?

Thx a lot!!!
Andreas

Btw wxgetprocaddress gets called. So my
question is how to access sdl 1.5 on windows???

Sorry I meant how to access opengl 1.5
on windows???