APR_RING_INSERT_HEAD 1040 server/mpm/experimental/event/event.c                 APR_RING_INSERT_HEAD(&timeout_head, cs,
APR_RING_INSERT_HEAD  360 srclib/apr-util/include/apr_buckets.h 	APR_RING_INSERT_HEAD(&(b)->list, ap__b, apr_bucket, link);	\
APR_RING_INSERT_HEAD   83 srclib/apr-util/misc/apr_reslist.c     APR_RING_INSERT_HEAD(&reslist->avail_list, resource, apr_res_t, link);