Available on macro
@:value(cast 1)@:impl@:enuminlineread onlyDGRAM:NameInfoFlag = 1
@:value(cast 0)@:impl@:enuminlineread onlyNAMEREQD:NameInfoFlag = 0
@:value(cast 2)@:impl@:enuminlineread onlyNOFQDN:NameInfoFlag = 2
@:value(cast 3)@:impl@:enuminlineread onlyNUMERICHOST:NameInfoFlag = 3
@:value(cast 4)@:impl@:enuminlineread onlyNUMERICSERV:NameInfoFlag = 4