FT_FTYPE()
 Return a field's type, given field name or ordinal position
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 Syntax

      FT_FTYPE( <xVar> ) -> cType

 Arguments

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

 Returns

     the type of field: character (C), numeric (N), date (D), logical (L),
     or memo (M).  "U", if NIL.

 Description

     FT_FTYPE() reports the type ("C","N","D","L","M") of any .DBF field.

 Examples

     cType:= FT_FTYPE( "unit_prc" )
     cType:= FT_FTYPE( 2 )
     - or -
     nNum:=  FT_FNUM( "unit_prc" )
     cType:= FT_FTYPE( nNum )

 Source: FIELD.PRG

 Author: Steve Kolterman