VAR — define a variable
VARvarnameISctype
     The VAR command assigns a new C data type
     to a host variable.  The host variable must be previously
     declared in a declare section.
    
varnameA C variable name.
ctypeA C type specification.
Exec sql begin declare section; short a; exec sql end declare section; EXEC SQL VAR a IS int;
     The VAR command is a LightDB extension.