hi, i need set a variable in the Scheme.sch, but in Linux it doens't work:

RP_Set_Integer("newfdd",newfd);

Has anyone suggestions ?

You swaped the UDF and Sheme environment

RP_Set_Integer.... can only be used in UDF's (set scheme vars from within the C environment.

The equivalent Scheme command would be (rpsetvar 'newfdd newfd)

but I don't know what newfd and newfdd are (and neither does fluent it seems) so they need to be defined first

I use UDF and Scheme, the problem is on Linux. On windows it works fine, but on Linux RP_set_integer doesn't work.

thank you angelo, I found out the problem. I was using (set! old-flagd (rp-var-value'oldfd))

in my scheme, but on linux rp-var-value don't work, but:

(set! old-flagd (%rpgetvar 'oldfd)) works fine.