HelenOS sources

ipc_forward       183 kernel/generic/include/ipc/ipc.h extern errno_t ipc_forward(call_t *, phone_t *, answerbox_t *, unsigned int);
ipc_forward       553 kernel/generic/src/ipc/sysipc.c 	rc = ipc_forward(call, pkobj->phone, &TASK->answerbox, mode);