HelenOS sources

IPC_CALL_LEN      109 abi/include/abi/ipc/ipc.h 	sysarg_t args[IPC_CALL_LEN];
IPC_CALL_LEN       80 kernel/generic/include/ddi/irq.h 	uint32_t scratch[IPC_CALL_LEN];
IPC_CALL_LEN      178 kernel/generic/src/ipc/irq.c 		if (cmds[i].srcarg >= IPC_CALL_LEN)
IPC_CALL_LEN      181 kernel/generic/src/ipc/irq.c 		if (cmds[i].dstarg >= IPC_CALL_LEN)
IPC_CALL_LEN       42 uspace/app/trace/proto.h #define OPER_MAX_ARGS (IPC_CALL_LEN - 1)