evbuffer_remove_cb 720 opal/mca/event/libevent2022/libevent/include/event2/buffer.h int evbuffer_remove_cb(struct evbuffer *buffer, evbuffer_cb_func cb, void *cbarg); evbuffer_remove_cb 1232 opal/mca/event/libevent2022/libevent/test/regress_buffer.c tt_assert(-1 == evbuffer_remove_cb(buf, log_change_callback, NULL)); evbuffer_remove_cb 1234 opal/mca/event/libevent2022/libevent/test/regress_buffer.c tt_assert(!evbuffer_remove_cb(buf, log_change_callback, buf_out2));