> 1. Get hold of FreeUDFLib, and declare the DollarVal function.
> DECLARE EXTERNAL FUNCTION F_DOLLARVAL
> DOUBLE PRECISION
> RETURNS CSTRING(254) FREE_IT
> ENTRY_POINT 'DollarVal' MODULE_NAME 'FreeUDFLib.dll'

Ah, ok. Looks promising. Thank you.
For some time i have been avoiding the use of UDF, especially after
reading the horror stories in this group about memory leaks, etc. Never
really had the need to, actually, since FB 1.5 provided the built-in
substring() function.

Regards,
sugi.