_evbuffer_incref_and_lock 509 opal/mca/event/libevent2022/libevent/buffer.c _evbuffer_incref_and_lock(buffer); _evbuffer_incref_and_lock 252 opal/mca/event/libevent2022/libevent/evbuffer-internal.h void _evbuffer_incref_and_lock(struct evbuffer *buf);