Index: sys/fs/msdosfs/msdosfs_conv.c
===================================================================
--- sys/fs/msdosfs/msdosfs_conv.c
+++ sys/fs/msdosfs/msdosfs_conv.c
@@ -234,11 +234,7 @@
  * null.
  */
 int
-dos2unixfn(dn, un, lower, pmp)
-	u_char dn[11];
-	u_char *un;
-	int lower;
-	struct msdosfsmount *pmp;
+dos2unixfn(u_char dn[11], u_char *un, int lower, struct msdosfsmount *pmp)
 {
 	size_t i;
 	int thislong = 0;
Index: sys/fs/msdosfs/msdosfs_denode.c
===================================================================
--- sys/fs/msdosfs/msdosfs_denode.c
+++ sys/fs/msdosfs/msdosfs_denode.c
@@ -92,11 +92,8 @@
  * depp	     - returns the address of the gotten denode.
  */
 int
-deget(pmp, dirclust, diroffset, depp)
-	struct msdosfsmount *pmp;	/* so we know the maj/min number */
-	u_long dirclust;		/* cluster this dir entry came from */
-	u_long diroffset;		/* index of entry within the cluster */
-	struct denode **depp;		/* returns the addr of the gotten denode */
+deget(struct msdosfsmount *pmp, u_long dirclust, u_long diroffset,
+    struct denode **depp)
 {
 	int error;
 	uint64_t inode;
@@ -284,9 +281,7 @@
 }
 
 int
-deupdat(dep, waitfor)
-	struct denode *dep;
-	int waitfor;
+deupdat(struct denode *dep, int waitfor)
 {
 	struct direntry dir;
 	struct timespec ts;
@@ -334,11 +329,7 @@
  * Truncate the file described by dep to the length specified by length.
  */
 int
-detrunc(dep, length, flags, cred)
-	struct denode *dep;
-	u_long length;
-	int flags;
-	struct ucred *cred;
+detrunc(struct denode *dep, u_long length, int flags, struct ucred *cred)
 {
 	int error;
 	int allerror;
@@ -477,10 +468,7 @@
  * Extend the file described by dep to length specified by length.
  */
 int
-deextend(dep, length, cred)
-	struct denode *dep;
-	u_long length;
-	struct ucred *cred;
+deextend(struct denode *dep, u_long length, struct ucred *cred)
 {
 	struct msdosfsmount *pmp = dep->de_pmp;
 	u_long count;
@@ -525,8 +513,7 @@
  * been moved to a new directory.
  */
 void
-reinsert(dep)
-	struct denode *dep;
+reinsert(struct denode *dep)
 {
 	struct vnode *vp;
 
@@ -549,10 +536,7 @@
 }
 
 int
-msdosfs_reclaim(ap)
-	struct vop_reclaim_args /* {
-		struct vnode *a_vp;
-	} */ *ap;
+msdosfs_reclaim(struct vop_reclaim_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct denode *dep = VTODE(vp);
@@ -583,11 +567,7 @@
 }
 
 int
-msdosfs_inactive(ap)
-	struct vop_inactive_args /* {
-		struct vnode *a_vp;
-		struct thread *a_td;
-	} */ *ap;
+msdosfs_inactive(struct vop_inactive_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct denode *dep = VTODE(vp);
Index: sys/fs/msdosfs/msdosfs_fat.c
===================================================================
--- sys/fs/msdosfs/msdosfs_fat.c
+++ sys/fs/msdosfs/msdosfs_fat.c
@@ -82,12 +82,8 @@
 		    u_long *got);
 
 static void
-fatblock(pmp, ofs, bnp, sizep, bop)
-	struct msdosfsmount *pmp;
-	u_long ofs;
-	u_long *bnp;
-	u_long *sizep;
-	u_long *bop;
+fatblock(struct msdosfsmount *pmp, u_long ofs, u_long *bnp, u_long *sizep,
+    u_long *bop)
 {
 	u_long bn, size;
 
@@ -123,12 +119,7 @@
  *  If cnp is null, nothing is returned.
  */
 int
-pcbmap(dep, findcn, bnp, cnp, sp)
-	struct denode *dep;
-	u_long findcn;		/* file relative cluster to get		 */
-	daddr_t *bnp;		/* returned filesys relative blk number	 */
-	u_long *cnp;		/* returned cluster number		 */
-	int *sp;		/* returned block size			 */
+pcbmap(struct denode *dep, u_long findcn, daddr_t *bnp, u_long *cnp, int *sp)
 {
 	int error;
 	u_long i;
@@ -260,11 +251,7 @@
  * for.
  */
 static void
-fc_lookup(dep, findcn, frcnp, fsrcnp)
-	struct denode *dep;
-	u_long findcn;
-	u_long *frcnp;
-	u_long *fsrcnp;
+fc_lookup(struct denode *dep, u_long findcn, u_long *frcnp, u_long *fsrcnp)
 {
 	int i;
 	u_long cn;
@@ -290,9 +277,7 @@
  * relative cluster frcn and beyond.
  */
 void
-fc_purge(dep, frcn)
-	struct denode *dep;
-	u_int frcn;
+fc_purge(struct denode *dep, u_int frcn)
 {
 	int i;
 	struct fatcache *fcp;
@@ -316,10 +301,7 @@
  * fatbn - block number relative to begin of filesystem of the modified fat block.
  */
 static void
-updatefats(pmp, bp, fatbn)
-	struct msdosfsmount *pmp;
-	struct buf *bp;
-	u_long fatbn;
+updatefats(struct msdosfsmount *pmp, struct buf *bp, u_long fatbn)
 {
 	struct buf *bpn;
 	int cleanfat, i;
@@ -392,9 +374,7 @@
  *
  */
 static __inline void
-usemap_alloc(pmp, cn)
-	struct msdosfsmount *pmp;
-	u_long cn;
+usemap_alloc(struct msdosfsmount *pmp, u_long cn)
 {
 
 	MSDOSFS_ASSERT_MP_LOCKED(pmp);
@@ -409,9 +389,7 @@
 }
 
 static __inline void
-usemap_free(pmp, cn)
-	struct msdosfsmount *pmp;
-	u_long cn;
+usemap_free(struct msdosfsmount *pmp, u_long cn)
 {
 
 	MSDOSFS_ASSERT_MP_LOCKED(pmp);
@@ -424,10 +402,7 @@
 }
 
 int
-clusterfree(pmp, cluster, oldcnp)
-	struct msdosfsmount *pmp;
-	u_long cluster;
-	u_long *oldcnp;
+clusterfree(struct msdosfsmount *pmp, u_long cluster, u_long *oldcnp)
 {
 	int error;
 	u_long oldcn;
@@ -468,12 +443,7 @@
  * the msdosfsmount structure. This is left to the caller.
  */
 int
-fatentry(function, pmp, cn, oldcontents, newcontents)
-	int function;
-	struct msdosfsmount *pmp;
-	u_long cn;
-	u_long *oldcontents;
-	u_long newcontents;
+fatentry(int function, struct msdosfsmount *pmp, u_long cn, u_long *oldcontents,   u_long  newcontents)
 {
 	int error;
 	u_long readcn;
@@ -580,11 +550,7 @@
  * fillwith - what to write into fat entry of last cluster
  */
 static int
-fatchain(pmp, start, count, fillwith)
-	struct msdosfsmount *pmp;
-	u_long start;
-	u_long count;
-	u_long fillwith;
+fatchain(struct msdosfsmount *pmp, u_long start, u_long count, u_long fillwith)
 {
 	int error;
 	u_long bn, bo, bsize, byteoffset, readcn, newc;
@@ -655,10 +621,7 @@
  * count - maximum interesting length
  */
 static int
-chainlength(pmp, start, count)
-	struct msdosfsmount *pmp;
-	u_long start;
-	u_long count;
+chainlength(struct msdosfsmount *pmp, u_long start, u_long count)
 {
 	u_long idx, max_idx;
 	u_int map;
@@ -703,13 +666,8 @@
  * got	      - how many clusters were actually allocated.
  */
 static int
-chainalloc(pmp, start, count, fillwith, retcluster, got)
-	struct msdosfsmount *pmp;
-	u_long start;
-	u_long count;
-	u_long fillwith;
-	u_long *retcluster;
-	u_long *got;
+chainalloc(struct msdosfsmount *pmp, u_long start, u_long count,
+    u_long fillwith, u_long *retcluster, u_long *got)
 {
 	int error;
 	u_long cl, n;
@@ -836,9 +794,7 @@
  *		  freed.
  */
 int
-freeclusterchain(pmp, cluster)
-	struct msdosfsmount *pmp;
-	u_long cluster;
+freeclusterchain(struct msdosfsmount *pmp, u_long cluster)
 {
 	int error;
 	struct buf *bp = NULL;
@@ -900,8 +856,7 @@
  * found turn off its corresponding bit in the pm_inusemap.
  */
 int
-fillinusemap(pmp)
-	struct msdosfsmount *pmp;
+fillinusemap(struct msdosfsmount *pmp)
 {
 	struct buf *bp = NULL;
 	u_long cn, readcn;
@@ -969,12 +924,8 @@
  * field.  This is left for the caller to do.
  */
 int
-extendfile(dep, count, bpp, ncp, flags)
-	struct denode *dep;
-	u_long count;
-	struct buf **bpp;
-	u_long *ncp;
-	int flags;
+extendfile(struct denode *dep, u_long count, struct buf **bpp, u_long *ncp,
+    int flags)
 {
 	int error;
 	u_long frcn;
Index: sys/fs/msdosfs/msdosfs_fileno.c
===================================================================
--- sys/fs/msdosfs/msdosfs_fileno.c
+++ sys/fs/msdosfs/msdosfs_fileno.c
@@ -68,8 +68,7 @@
 
 /* Initialize file number mapping structures. */
 void
-msdosfs_fileno_init(mp)
-	struct mount *mp;
+msdosfs_fileno_init(struct mount *mp)
 {
 	struct msdosfsmount *pmp = VFSTOMSDOSFS(mp);
 
@@ -82,8 +81,7 @@
 
 /* Free 32-bit file number generation structures. */
 void
-msdosfs_fileno_free(mp)
-	struct mount *mp;
+msdosfs_fileno_free(struct mount *mp)
 {
 	struct msdosfsmount *pmp = VFSTOMSDOSFS(mp);
 	struct msdosfs_fileno *mf, *next;
@@ -98,9 +96,7 @@
 
 /* Map a 64-bit file number into a 32-bit one. */
 uint32_t
-msdosfs_fileno_map(mp, fileno)
-	struct mount *mp;
-	uint64_t fileno;
+msdosfs_fileno_map(struct mount *mp, uint64_t fileno)
 {
 	struct msdosfsmount *pmp = VFSTOMSDOSFS(mp);
 	struct msdosfs_fileno key, *mf, *tmf;
@@ -142,8 +138,7 @@
 
 /* Compare by 64-bit file number. */
 static int
-msdosfs_fileno_compare(fa, fb)
-	struct msdosfs_fileno *fa, *fb;
+msdosfs_fileno_compare(struct msdosfs_fileno *fa, struct msdosfs_fileno *fb)
 {
 
 	if (fa->mf_fileno64 > fb->mf_fileno64)
Index: sys/fs/msdosfs/msdosfs_lookup.c
===================================================================
--- sys/fs/msdosfs/msdosfs_lookup.c
+++ sys/fs/msdosfs/msdosfs_lookup.c
@@ -592,11 +592,8 @@
  * cnp  - componentname needed for Win95 long filenames
  */
 int
-createde(dep, ddep, depp, cnp)
-	struct denode *dep;
-	struct denode *ddep;
-	struct denode **depp;
-	struct componentname *cnp;
+createde(struct denode *dep, struct denode *ddep, struct denode **depp,
+    struct componentname *cnp)
 {
 	int error;
 	u_long dirclust, diroffset;
@@ -725,8 +722,7 @@
  * return 0 if not empty or error.
  */
 int
-dosdirempty(dep)
-	struct denode *dep;
+dosdirempty(struct denode *dep)
 {
 	int blsize;
 	int error;
@@ -802,9 +798,7 @@
  * The target inode is always unlocked on return.
  */
 int
-doscheckpath(source, target)
-	struct denode *source;
-	struct denode *target;
+doscheckpath(struct denode *source, struct denode *target)
 {
 	daddr_t scn;
 	struct msdosfsmount *pmp;
@@ -893,11 +887,8 @@
  * directory entry within the block.
  */
 int
-readep(pmp, dirclust, diroffset, bpp, epp)
-	struct msdosfsmount *pmp;
-	u_long dirclust, diroffset;
-	struct buf **bpp;
-	struct direntry **epp;
+readep(struct msdosfsmount *pmp, u_long dirclust, u_long diroffset,
+    struct buf **bpp, struct direntry **epp)
 {
 	int error;
 	daddr_t bn;
@@ -924,10 +915,7 @@
  * entry within the block.
  */
 int
-readde(dep, bpp, epp)
-	struct denode *dep;
-	struct buf **bpp;
-	struct direntry **epp;
+readde(struct denode *dep, struct buf **bpp, struct direntry **epp)
 {
 
 	return (readep(dep->de_pmp, dep->de_dirclust, dep->de_diroffset,
@@ -943,9 +931,7 @@
  * msdosfs_reclaim() which will remove the denode from the denode cache.
  */
 int
-removede(pdep, dep)
-	struct denode *pdep;	/* directory where the entry is removed */
-	struct denode *dep;	/* file to be removed */
+removede(struct denode *pdep, struct denode *dep)
 {
 	int error;
 	struct direntry *ep;
@@ -1012,10 +998,7 @@
  * Create a unique DOS name in dvp
  */
 int
-uniqdosname(dep, cnp, cp)
-	struct denode *dep;
-	struct componentname *cnp;
-	u_char *cp;
+uniqdosname(struct denode *dep,struct componentname *cnp, u_char *cp)
 {
 	struct msdosfsmount *pmp = dep->de_pmp;
 	struct direntry *dentp;
@@ -1081,8 +1064,7 @@
  * Find any Win'95 long filename entry in directory dep
  */
 int
-findwin95(dep)
-	struct denode *dep;
+findwin95(struct denode *dep)
 {
 	struct msdosfsmount *pmp = dep->de_pmp;
 	struct direntry *dentp;
Index: sys/fs/msdosfs/msdosfs_vnops.c
===================================================================
--- sys/fs/msdosfs/msdosfs_vnops.c
+++ sys/fs/msdosfs/msdosfs_vnops.c
@@ -127,13 +127,7 @@
  * only if the SAVESTART bit in cn_flags is clear on success.
  */
 static int
-msdosfs_create(ap)
-	struct vop_create_args /* {
-		struct vnode *a_dvp;
-		struct vnode **a_vpp;
-		struct componentname *a_cnp;
-		struct vattr *a_vap;
-	} */ *ap;
+msdosfs_create(struct vop_create_args *ap)
 {
 	struct componentname *cnp = ap->a_cnp;
 	struct denode ndirent;
@@ -193,27 +187,14 @@
 }
 
 static int
-msdosfs_mknod(ap)
-	struct vop_mknod_args /* {
-		struct vnode *a_dvp;
-		struct vnode **a_vpp;
-		struct componentname *a_cnp;
-		struct vattr *a_vap;
-	} */ *ap;
+msdosfs_mknod(struct vop_mknod_args *ap)
 {
 
     return (EINVAL);
 }
 
 static int
-msdosfs_open(ap)
-	struct vop_open_args /* {
-		struct vnode *a_vp;
-		int a_mode;
-		struct ucred *a_cred;
-		struct thread *a_td;
-		struct file *a_fp;
-	} */ *ap;
+msdosfs_open(struct vop_open_args *ap)
 {
 	struct denode *dep = VTODE(ap->a_vp);
 	vnode_create_vobject(ap->a_vp, dep->de_FileSize, ap->a_td);
@@ -221,13 +202,7 @@
 }
 
 static int
-msdosfs_close(ap)
-	struct vop_close_args /* {
-		struct vnode *a_vp;
-		int a_fflag;
-		struct ucred *a_cred;
-		struct thread *a_td;
-	} */ *ap;
+msdosfs_close(struct vop_close_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct denode *dep = VTODE(vp);
@@ -243,13 +218,7 @@
 }
 
 static int
-msdosfs_access(ap)
-	struct vop_access_args /* {
-		struct vnode *a_vp;
-		accmode_t a_accmode;
-		struct ucred *a_cred;
-		struct thread *a_td;
-	} */ *ap;
+msdosfs_access(struct vop_access_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct denode *dep = VTODE(ap->a_vp);
@@ -281,12 +250,7 @@
 }
 
 static int
-msdosfs_getattr(ap)
-	struct vop_getattr_args /* {
-		struct vnode *a_vp;
-		struct vattr *a_vap;
-		struct ucred *a_cred;
-	} */ *ap;
+msdosfs_getattr(struct vop_getattr_args *ap)
 {
 	struct denode *dep = VTODE(ap->a_vp);
 	struct msdosfsmount *pmp = dep->de_pmp;
@@ -360,12 +324,7 @@
 }
 
 static int
-msdosfs_setattr(ap)
-	struct vop_setattr_args /* {
-		struct vnode *a_vp;
-		struct vattr *a_vap;
-		struct ucred *a_cred;
-	} */ *ap;
+msdosfs_setattr(struct vop_setattr_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct denode *dep = VTODE(ap->a_vp);
@@ -552,13 +511,7 @@
 }
 
 static int
-msdosfs_read(ap)
-	struct vop_read_args /* {
-		struct vnode *a_vp;
-		struct uio *a_uio;
-		int a_ioflag;
-		struct ucred *a_cred;
-	} */ *ap;
+msdosfs_read(struct vop_read_args *ap)
 {
 	int error = 0;
 	int blsize;
@@ -653,13 +606,7 @@
  * Write data to a file or directory.
  */
 static int
-msdosfs_write(ap)
-	struct vop_write_args /* {
-		struct vnode *a_vp;
-		struct uio *a_uio;
-		int a_ioflag;
-		struct ucred *a_cred;
-	} */ *ap;
+msdosfs_write(struct vop_write_args *ap)
 {
 	int n;
 	int croffset;
@@ -872,13 +819,7 @@
  * Flush the blocks of a file to disk.
  */
 static int
-msdosfs_fsync(ap)
-	struct vop_fsync_args /* {
-		struct vnode *a_vp;
-		struct ucred *a_cred;
-		int a_waitfor;
-		struct thread *a_td;
-	} */ *ap;
+msdosfs_fsync(struct vop_fsync_args *ap)
 {
 	struct vnode *devvp;
 	int allerror, error;
@@ -912,12 +853,7 @@
 }
 
 static int
-msdosfs_remove(ap)
-	struct vop_remove_args /* {
-		struct vnode *a_dvp;
-		struct vnode *a_vp;
-		struct componentname *a_cnp;
-	} */ *ap;
+msdosfs_remove(struct vop_remove_args *ap)
 {
 	struct denode *dep = VTODE(ap->a_vp);
 	struct denode *ddep = VTODE(ap->a_dvp);
@@ -937,12 +873,7 @@
  * DOS filesystems don't know what links are.
  */
 static int
-msdosfs_link(ap)
-	struct vop_link_args /* {
-		struct vnode *a_tdvp;
-		struct vnode *a_vp;
-		struct componentname *a_cnp;
-	} */ *ap;
+msdosfs_link(struct vop_link_args *ap)
 {
 	return (EOPNOTSUPP);
 }
@@ -994,15 +925,7 @@
  *	all denodes should be released
  */
 static int
-msdosfs_rename(ap)
-	struct vop_rename_args /* {
-		struct vnode *a_fdvp;
-		struct vnode *a_fvp;
-		struct componentname *a_fcnp;
-		struct vnode *a_tdvp;
-		struct vnode *a_tvp;
-		struct componentname *a_tcnp;
-	} */ *ap;
+msdosfs_rename(struct vop_rename_args *ap)
 {
 	struct vnode *tdvp = ap->a_tdvp;
 	struct vnode *fvp = ap->a_fvp;
@@ -1363,13 +1286,7 @@
 };
 
 static int
-msdosfs_mkdir(ap)
-	struct vop_mkdir_args /* {
-		struct vnode *a_dvp;
-		struct vnode **a_vpp;
-		struvt componentname *a_cnp;
-		struct vattr *a_vap;
-	} */ *ap;
+msdosfs_mkdir(struct vop_mkdir_args *ap)
 {
 	struct componentname *cnp = ap->a_cnp;
 	struct denode *dep;
@@ -1480,12 +1397,7 @@
 }
 
 static int
-msdosfs_rmdir(ap)
-	struct vop_rmdir_args /* {
-		struct vnode *a_dvp;
-		struct vnode *a_vp;
-		struct componentname *a_cnp;
-	} */ *ap;
+msdosfs_rmdir(struct vop_rmdir_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct vnode *dvp = ap->a_dvp;
@@ -1539,28 +1451,13 @@
  * DOS filesystems don't know what symlinks are.
  */
 static int
-msdosfs_symlink(ap)
-	struct vop_symlink_args /* {
-		struct vnode *a_dvp;
-		struct vnode **a_vpp;
-		struct componentname *a_cnp;
-		struct vattr *a_vap;
-		char *a_target;
-	} */ *ap;
+msdosfs_symlink(struct vop_symlink_args *ap)
 {
 	return (EOPNOTSUPP);
 }
 
 static int
-msdosfs_readdir(ap)
-	struct vop_readdir_args /* {
-		struct vnode *a_vp;
-		struct uio *a_uio;
-		struct ucred *a_cred;
-		int *a_eofflag;
-		int *a_ncookies;
-		u_long **a_cookies;
-	} */ *ap;
+msdosfs_readdir(struct vop_readdir_args *ap)
 {
 	struct mbnambuf nb;
 	int error = 0;
@@ -1847,15 +1744,7 @@
  * a_runb - where to return the "run before" a_bn.
  */
 static int
-msdosfs_bmap(ap)
-	struct vop_bmap_args /* {
-		struct vnode *a_vp;
-		daddr_t a_bn;
-		struct bufobj **a_bop;
-		daddr_t *a_bnp;
-		int *a_runp;
-		int *a_runb;
-	} */ *ap;
+msdosfs_bmap(struct vop_bmap_args *ap)
 {
 	struct denode *dep;
 	struct mount *mp;
@@ -1908,11 +1797,7 @@
 }
 
 static int
-msdosfs_strategy(ap)
-	struct vop_strategy_args /* {
-		struct vnode *a_vp;
-		struct buf *a_bp;
-	} */ *ap;
+msdosfs_strategy(struct vop_strategy_args *ap)
 {
 	struct buf *bp = ap->a_bp;
 	struct denode *dep = VTODE(ap->a_vp);
@@ -1953,10 +1838,7 @@
 }
 
 static int
-msdosfs_print(ap)
-	struct vop_print_args /* {
-		struct vnode *vp;
-	} */ *ap;
+msdosfs_print(struct vop_print_args *ap)
 {
 	struct denode *dep = VTODE(ap->a_vp);
 
@@ -1967,12 +1849,7 @@
 }
 
 static int
-msdosfs_pathconf(ap)
-	struct vop_pathconf_args /* {
-		struct vnode *a_vp;
-		int a_name;
-		int *a_retval;
-	} */ *ap;
+msdosfs_pathconf(struct vop_pathconf_args *ap)
 {
 	struct msdosfsmount *pmp = VTODE(ap->a_vp)->de_pmp;
 
@@ -1999,11 +1876,7 @@
 }
 
 static int
-msdosfs_vptofh(ap)
-	struct vop_vptofh_args /* {
-		struct vnode *a_vp;
-		struct fid *a_fhp;
-	} */ *ap;
+msdosfs_vptofh(struct vop_vptofh_args *ap)
 {
 	struct denode *dep;
 	struct defid *defhp;