``lint'' will catch those ("warning: assignment to possibly sign
extended bitfield loses precision" or something like that).
--
In-Real-Life: Chris Torek, Univ of MD Comp Sci
UUCP: {seismo,allegra,brl-bmd}!umcp-cs!chris
CSNet: chris at umcp-cs ARPA: chris.umcp-cs at CSNet-Relay