BtrvVersion : Number
BtrvVersion returns a number representing the version number of Btrieve
that you are using. A zero indicates that Btrieve is not installed. If
Btrieve is installed then it returns 100 times the version number plus
the minor version number. Version 6.0 becomes 600. Version 5.10 becomes
if BtrieveVersion = 0
Writeln "Sorry, but Btrieve must be loaded first!"
Writeln "You are running Btrieve Version #: " BtrvVersion