doppio% 8c -w cm.c
warning: cm.c:14 useless or misleading comparison: UVLONG < 0
doppio% qc -w cm.c
warning: cm.c:14 useless or misleading comparison: UVLONG < 0
doppio% 5c -w cm.c
warning: cm.c:14 useless or misleading comparison: UVLONG < 0