Index: kernel/generic/include/ipc/sysipc.h
===================================================================
--- kernel/generic/include/ipc/sysipc.h	(revision 19fc04cae65294b290ea6b1a3658fdddf31c1cb8)
+++ kernel/generic/include/ipc/sysipc.h	(revision fbcdeb887f643e4a875e51120a2ddbf6fe35e4b3)
@@ -56,6 +56,6 @@
     unsigned int);
 extern sysarg_t sys_ipc_hangup(sysarg_t);
-extern sysarg_t sys_register_irq(inr_t, devno_t, sysarg_t, irq_code_t *);
-extern sysarg_t sys_unregister_irq(inr_t, devno_t);
+extern sysarg_t sys_irq_register(inr_t, devno_t, sysarg_t, irq_code_t *);
+extern sysarg_t sys_irq_unregister(inr_t, devno_t);
 
 #ifdef __32_BITS__