-CFLAGS += -Wall -W -Wno-unused -Wpointer-arith -Wstrict-prototypes \
--Wmissing-prototypes -Wnested-externs -Wredundant-decls
+CFLAGS += -Wall -W -Wno-unused-parameter -Wpointer-arith \
+-Wstrict-prototypes -Wmissing-prototypes -Wnested-externs \
+-Wredundant-decls