rpc_hook_add_header 460 opal/mca/event/libevent2022/libevent/test/regress_rpc.c assert(evrpc_add_hook(base, EVRPC_INPUT, rpc_hook_add_header, (void*)"input") rpc_hook_add_header 462 opal/mca/event/libevent2022/libevent/test/regress_rpc.c assert(evrpc_add_hook(base, EVRPC_OUTPUT, rpc_hook_add_header, (void*)"output")