HelenOS sources

IPC_M_HOUND_CONNECT  264 uspace/lib/hound/src/protocol.c 	aid_t id = async_send_0(exch, IPC_M_HOUND_CONNECT, &call);
IPC_M_HOUND_CONNECT  515 uspace/lib/hound/src/protocol.c 		case IPC_M_HOUND_CONNECT:
HelenOS homepage, sources at GitHub