Issue an FCQUERY request with the DEVN, QRYSIZE, FORMAT and QRYINFO keywords.
INOUT.0 = 4
INOUT.1 = 'DEVN(0A00)’
INOUT.2 = 'QRYSIZE(2000)’
INOUT.3 = 'FORMAT(FQMAP)’
INOUT.4 = 'QRYINFO()’
Note that the value of INOUT.0 is a count of the number of values in the stem.
CALL ANTTREXX 'FCQUERY’ , 'INOUT’
SAY INOUT.4