Henk den Adel wrote in a message to All:

 HdA> I am trying to de-trap an application, by writing out
 HdA> intermediate results, using printf, a plain text
 HdA> application, using C code. The application traps (trap
 HdA> 0005). Output is written to the screen. I have no idea why
 HdA> my application traps and where it traps.

Have you considered using the debugger?  Or defining an exception handler?

 HdA> So how can i redirect my info (printf) to a file, when the
 HdA> program traps? 

 HdA> I am using OS/2 version 2.1. IBMs C compiler (2.01) or
 HdA> Borlands C compiler (1.0) produce the same redirection
 HdA> behaviour, so it must be an intrinsic feature of the OS.

I would try calling "fflush(NULL)" once in a while.
 
-- Mike


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