-conv
Insert information about the sign convention into the c-tree file. This information is useful for the c-tree SQL Server. 
Usage
ctutil -conv file sign_convention  | 
•	file is the name of the c-tree file. The default file extension (that is ".dat" if not configured differently) must be omitted. Relative paths are resolved according to the c-tree server working directory.
•	sign_convention can be one of the following:
o	A (ANSI convention, default)
o	B (MBP convention)
o	D (Data General convention)
o	I (IBM convention) 
o	M (Micro Focus convention)
o	N (NCR convention)
o	R (Realia convention)
o	V (VAX convention)