PUTENV works fine if debugged with insight gdb but fails if in a standalone program !

[gilles bourgeois]

hi folks,
i am using getenv/putenv from stdlib (my source comes from UNIX world).
the point is that getenv works fine, but I CANNOT modify variables with PUTENV !!
Actually, if I debug with "insight gdb" a little foo.c using setenv , it works fine !!!
I really do not undestand why (I suppose it is a question of shell environment) , so 
I wonder if some of you ever succeed with a simple putenv wriiten in a tiny C program ?
thanks 
gilles


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