#define LIST_LOOP_DELETING(consvar, nextconsvar, list) \
for (consvar = list; \
!NILP (consvar) ? (nextconsvar = XCDR (consvar), 1) :0; \
#define LIST_LOOP_DELETING(consvar, nextconsvar, list) \
for (consvar = list; \
!NILP (consvar) ? (nextconsvar = XCDR (consvar), 1) :0; \