diff --git a/sys/coda/coda_fbsd.c b/sys/coda/coda_fbsd.c
index fc7c07c497e7..74a7eaa4031a 100644
--- a/sys/coda/coda_fbsd.c
+++ b/sys/coda/coda_fbsd.c
@@ -174,9 +174,9 @@ printf("error = %d\n", error);
 
 
 /* for DEVFS, using bpf & tun drivers as examples*/
-static void coda_fbsd_drvinit __P((void *unused));
-static void coda_fbsd_drvuninit __P((void *unused));
-static void coda_fbsd_clone __P((void *arg, char *name, int namelen, dev_t *dev));
+static void coda_fbsd_drvinit(void *unused);
+static void coda_fbsd_drvuninit(void *unused);
+static void coda_fbsd_clone(void *arg, char *name, int namelen, dev_t *dev);
 
 static void coda_fbsd_clone(arg, name, namelen, dev)
     void *arg;
diff --git a/sys/coda/coda_vfsops.c b/sys/coda/coda_vfsops.c
index 5d5a810e6505..e868651de716 100644
--- a/sys/coda/coda_vfsops.c
+++ b/sys/coda/coda_vfsops.c
@@ -82,7 +82,7 @@ struct coda_op_stats coda_vfsopstats[CODA_VFSOPS_SIZE];
 #define MRAK_INT_GEN(op) (coda_vfsopstats[op].gen_intrn++)
 
 extern int coda_nc_initialized;     /* Set if cache has been initialized */
-extern int vc_nb_open __P((dev_t, int, int, struct thread *));
+extern int vc_nb_open(dev_t, int, int, struct thread *);
 
 int
 coda_vfsopstats_init(void)
diff --git a/sys/coda/coda_vnops.h b/sys/coda/coda_vnops.h
index 99392d64dac8..29f17cfa867f 100644
--- a/sys/coda/coda_vnops.h
+++ b/sys/coda/coda_vnops.h
@@ -47,37 +47,37 @@
 
 
 /* NetBSD interfaces to the vnodeops */
-int coda_open      __P((void *));
-int coda_close     __P((void *));
-int coda_read      __P((void *));
-int coda_write     __P((void *));
-int coda_ioctl     __P((void *));
-/* 1.3 int cfs_select    __P((void *));*/
-int coda_getattr   __P((void *));
-int coda_setattr   __P((void *));
-int coda_access    __P((void *));
-int coda_abortop   __P((void *));
-int coda_readlink  __P((void *));
-int coda_fsync     __P((void *));
-int coda_inactive  __P((void *));
-int coda_lookup    __P((void *));
-int coda_create    __P((void *));
-int coda_remove    __P((void *));
-int coda_link      __P((void *));
-int coda_rename    __P((void *));
-int coda_mkdir     __P((void *));
-int coda_rmdir     __P((void *));
-int coda_symlink   __P((void *));
-int coda_readdir   __P((void *));
-int coda_bmap      __P((void *));
-int coda_strategy  __P((void *));
-int coda_reclaim   __P((void *));
-int coda_lock      __P((void *));
-int coda_unlock    __P((void *));
-int coda_islocked  __P((void *));
-int coda_vop_error   __P((void *));
-int coda_vop_nop     __P((void *));
-int coda_fbsd_getpages	__P((void *));
+int coda_open(void *);
+int coda_close(void *);
+int coda_read(void *);
+int coda_write(void *);
+int coda_ioctl(void *);
+/* 1.3 int cfs_select(void *);*/
+int coda_getattr(void *);
+int coda_setattr(void *);
+int coda_access(void *);
+int coda_abortop(void *);
+int coda_readlink(void *);
+int coda_fsync(void *);
+int coda_inactive(void *);
+int coda_lookup(void *);
+int coda_create(void *);
+int coda_remove(void *);
+int coda_link(void *);
+int coda_rename(void *);
+int coda_mkdir(void *);
+int coda_rmdir(void *);
+int coda_symlink(void *);
+int coda_readdir(void *);
+int coda_bmap(void *);
+int coda_strategy(void *);
+int coda_reclaim(void *);
+int coda_lock(void *);
+int coda_unlock(void *);
+int coda_islocked(void *);
+int coda_vop_error(void *);
+int coda_vop_nop(void *);
+int coda_fbsd_getpages	(void *);
 
 int coda_rdwr(struct vnode *vp, struct uio *uiop, enum uio_rw rw,
     int ioflag, struct ucred *cred, struct thread *td);
diff --git a/sys/fs/coda/coda_fbsd.c b/sys/fs/coda/coda_fbsd.c
index fc7c07c497e7..74a7eaa4031a 100644
--- a/sys/fs/coda/coda_fbsd.c
+++ b/sys/fs/coda/coda_fbsd.c
@@ -174,9 +174,9 @@ printf("error = %d\n", error);
 
 
 /* for DEVFS, using bpf & tun drivers as examples*/
-static void coda_fbsd_drvinit __P((void *unused));
-static void coda_fbsd_drvuninit __P((void *unused));
-static void coda_fbsd_clone __P((void *arg, char *name, int namelen, dev_t *dev));
+static void coda_fbsd_drvinit(void *unused);
+static void coda_fbsd_drvuninit(void *unused);
+static void coda_fbsd_clone(void *arg, char *name, int namelen, dev_t *dev);
 
 static void coda_fbsd_clone(arg, name, namelen, dev)
     void *arg;
diff --git a/sys/fs/coda/coda_vfsops.c b/sys/fs/coda/coda_vfsops.c
index 5d5a810e6505..e868651de716 100644
--- a/sys/fs/coda/coda_vfsops.c
+++ b/sys/fs/coda/coda_vfsops.c
@@ -82,7 +82,7 @@ struct coda_op_stats coda_vfsopstats[CODA_VFSOPS_SIZE];
 #define MRAK_INT_GEN(op) (coda_vfsopstats[op].gen_intrn++)
 
 extern int coda_nc_initialized;     /* Set if cache has been initialized */
-extern int vc_nb_open __P((dev_t, int, int, struct thread *));
+extern int vc_nb_open(dev_t, int, int, struct thread *);
 
 int
 coda_vfsopstats_init(void)
diff --git a/sys/fs/coda/coda_vnops.h b/sys/fs/coda/coda_vnops.h
index 99392d64dac8..29f17cfa867f 100644
--- a/sys/fs/coda/coda_vnops.h
+++ b/sys/fs/coda/coda_vnops.h
@@ -47,37 +47,37 @@
 
 
 /* NetBSD interfaces to the vnodeops */
-int coda_open      __P((void *));
-int coda_close     __P((void *));
-int coda_read      __P((void *));
-int coda_write     __P((void *));
-int coda_ioctl     __P((void *));
-/* 1.3 int cfs_select    __P((void *));*/
-int coda_getattr   __P((void *));
-int coda_setattr   __P((void *));
-int coda_access    __P((void *));
-int coda_abortop   __P((void *));
-int coda_readlink  __P((void *));
-int coda_fsync     __P((void *));
-int coda_inactive  __P((void *));
-int coda_lookup    __P((void *));
-int coda_create    __P((void *));
-int coda_remove    __P((void *));
-int coda_link      __P((void *));
-int coda_rename    __P((void *));
-int coda_mkdir     __P((void *));
-int coda_rmdir     __P((void *));
-int coda_symlink   __P((void *));
-int coda_readdir   __P((void *));
-int coda_bmap      __P((void *));
-int coda_strategy  __P((void *));
-int coda_reclaim   __P((void *));
-int coda_lock      __P((void *));
-int coda_unlock    __P((void *));
-int coda_islocked  __P((void *));
-int coda_vop_error   __P((void *));
-int coda_vop_nop     __P((void *));
-int coda_fbsd_getpages	__P((void *));
+int coda_open(void *);
+int coda_close(void *);
+int coda_read(void *);
+int coda_write(void *);
+int coda_ioctl(void *);
+/* 1.3 int cfs_select(void *);*/
+int coda_getattr(void *);
+int coda_setattr(void *);
+int coda_access(void *);
+int coda_abortop(void *);
+int coda_readlink(void *);
+int coda_fsync(void *);
+int coda_inactive(void *);
+int coda_lookup(void *);
+int coda_create(void *);
+int coda_remove(void *);
+int coda_link(void *);
+int coda_rename(void *);
+int coda_mkdir(void *);
+int coda_rmdir(void *);
+int coda_symlink(void *);
+int coda_readdir(void *);
+int coda_bmap(void *);
+int coda_strategy(void *);
+int coda_reclaim(void *);
+int coda_lock(void *);
+int coda_unlock(void *);
+int coda_islocked(void *);
+int coda_vop_error(void *);
+int coda_vop_nop(void *);
+int coda_fbsd_getpages	(void *);
 
 int coda_rdwr(struct vnode *vp, struct uio *uiop, enum uio_rw rw,
     int ioflag, struct ucred *cred, struct thread *td);