evbuffer_chains_all_empty 249 opal/mca/event/libevent2022/libevent/buffer.c evbuffer_chains_all_empty(struct evbuffer_chain *chain) evbuffer_chains_all_empty 260 opal/mca/event/libevent2022/libevent/buffer.c static inline int evbuffer_chains_all_empty(struct evbuffer_chain *chain) {