Mx: turn exit into return for main to avoid unreachable return/missing return warnings
Mx: turn exit into return for main to avoid unreachable return/missing return warnings

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb