Most likely you are using SE 7.13; The final answer is obtained from:
$INFORMIXDIR/lib/sqlexec -V
, DB-Access SE , - Informix Dynamic Server ( Informix OnLine Dynamic Server, ).
. 6.03 ISQL 1996 ; SE 7.13 , . ESQL/C, , 1995 ; 6.00.UE1 1994 1995 , UH1 ( ). Y2K; SE 7.24 ISQL 6.05 (, , 7.20) ESQL/C 7.24 . SE Y2K , . , 1900 2- , 2000.
SE - 7.26; ISQL 7.50; ESQL/C ( ) 3.50.