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N_XTYPE()
Get Btrieve data type of specified field

Syntax
N_XTYPE(<cField> | <nField>)

RDD Option
TYPE()

Argument
<Field> is a field, specified by name or by field number. If you use a field 
name, case is ignored.

Returns
Btrieve data type of specified field.

Remarks
RaSQL/B returns Btrieve data types as a two-digit code. The first digit is 
always the same as the Clipper data type it most closely resembles (for 
example, C, D, L, M, or N).  RaSQL/B type codes are listed in Appendix A.

Example
* argument = field name
? N_XTYPE('appointment_date')
D
? N_XTYPE('amount_paid')
NP