The documentation provided with QNX4 should answer all your question.

> -----Original Message-----
> From: shweta chaturvedi [mailto:community-noreply@qnx.com]
> Sent: Wednesday, September 02, 2009 4:57 AM
> To: qnx4-community
> Subject: how to use function qnx_proxy_attach() in qnx4.25
> 
> What is the use of qnx_proxy_attach( ) function of QNX4.25 version?
> What is the function of Receive( , , ) function of QNX4.25?
> 
> 
> 
> _______________________________________________
> 
> QNX4 Community Support
> http://community.qnx.com/sf/go/post37094
>