FT_FVALLEN()
 Return the length of the value in a field.
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 Syntax

      FT_FVALLEN( <xVar> ) -> nVlen

 Arguments

      <xVar> is either a field name or ordinal .DBF position.

 Returns

      the length of the value in a specified field.  -1 if error.

 Description

      FT_FVALLEN() reports the length of the value in any .DBF field.

 Examples

      nVallen:= FT_FVALLEN("unit_prc")
      nVallen:= FT_FVALLEN( 2 )
      - or -
      nNum:=    FT_FNUM( "unit_prc" )
      nVallen:= FT_FVALLEN( nNum )

 Source: FIELD.PRG

 Author: Steve Kolterman