HelenOS sources

SYS_IPC_ANSWER_FAST   95 kernel/generic/src/syscall/syscall.c 	[SYS_IPC_ANSWER_FAST] = (syshandler_t) sys_ipc_answer_fast,
SYS_IPC_ANSWER_FAST   76 uspace/app/trace/syscalls.c 	[SYS_IPC_ANSWER_FAST] = { "ipc_answer_fast", 6, V_ERRNO },
SYS_IPC_ANSWER_FAST  131 uspace/lib/c/generic/ipc.c 	return (errno_t) __SYSCALL6(SYS_IPC_ANSWER_FAST,
HelenOS homepage, sources at GitHub