In article <1303 at PT.CS.CMU.EDU> edw at IUS1.CS.CMU.EDU (Eddie Wyatt) writes: > warning ambiguous assigment: assignment op taken > *a+=*b; Your compiler scans "+=" as two tokens rather than one. (Fixed in dpANS.) This makes the anachronism "=*" (fixed in dpANS) visible. Karl W. Z. Heuer (ima!haddock!karl or karl at haddock.isc.com), The Walking Lint