gConvertChar(integer bToAnsi String sString)
Private Function: gConvert$Char
Convert String to Oem->Ansi or Ansi->Oem: Pass bToAnsi to determine convserion
This will convert both DF Strings and C Strings (zero terminated). If passed a
Cstring it will return a string with a terminating zero. If passed a DFstring
the terminating zero is not returned.
This function is used by ToAnsi and ToOEM. Developers are encouraged to use
these two functions