DESERV FUNC=RELEASE removes connections established by GET or GET_ALL functions.
The format of the DESERV FUNC=RELEASE macro is:
[label]
DESERV
FUNC=RELEASE {CONN_ID=connection_addr\ DE_LIST=(input_list,input_list_entry_count)} ,DCB=data_control_block [MF={(E,parmlist_name[,NOCHECK|COMPLETE])| S}] [,RETCODE=return_code] [,RSNCODE=reason_code]