Hello, <br><br>May global roots be initialized to (value)NULL ?<br><br>I have a multithreaded program, which segfault in callback_asm, while I think I respect all rules of c interfaces... Except maybe the above...<br><br>Chevets,<br>Christophe<br>-- <br>Envoyé de mon appareil Android avec Courriel K-9 Mail. Veuillez excuser ma brièveté.