Index: head/lib/libstand/ufs.c
===================================================================
--- head/lib/libstand/ufs.c
+++ head/lib/libstand/ufs.c
@@ -586,7 +586,7 @@
 
 			ncp = cp;
 			while ((c = *cp) != '\0' && c != '/') {
-				if (++len > MAXNAMLEN) {
+				if (++len > UFS_MAXNAMLEN) {
 					rc = ENOENT;
 					goto out;
 				}
Index: head/sbin/fsck_ffs/fsutil.c
===================================================================
--- head/sbin/fsck_ffs/fsutil.c
+++ head/sbin/fsck_ffs/fsutil.c
@@ -889,7 +889,7 @@
 		cp -= len;
 		memmove(cp, namebuf, (size_t)len);
 		*--cp = '/';
-		if (cp < &namebuf[MAXNAMLEN])
+		if (cp < &namebuf[UFS_MAXNAMLEN])
 			break;
 		ino = idesc.id_number;
 	}
Index: head/sbin/fsck_ffs/pass3.c
===================================================================
--- head/sbin/fsck_ffs/pass3.c
+++ head/sbin/fsck_ffs/pass3.c
@@ -52,7 +52,7 @@
 	int loopcnt, inpindex, state;
 	ino_t orphan;
 	struct inodesc idesc;
-	char namebuf[MAXNAMLEN+1];
+	char namebuf[UFS_MAXNAMLEN+1];
 
 	for (inpindex = inplast - 1; inpindex >= 0; inpindex--) {
 		if (got_siginfo) {
Index: head/sys/ufs/ufs/dir.h
===================================================================
--- head/sys/ufs/ufs/dir.h
+++ head/sys/ufs/ufs/dir.h
@@ -57,7 +57,7 @@
  * the length of the entry, and the length of the name contained in
  * the entry.  These are followed by the name padded to a 4 byte boundary
  * with null bytes.  All names are guaranteed null terminated.
- * The maximum length of a name in a directory is MAXNAMLEN.
+ * The maximum length of a name in a directory is UFS_MAXNAMLEN.
  *
  * The macro DIRSIZ(fmt, dp) gives the amount of space required to represent
  * a directory entry.  Free space in a directory is represented by
@@ -72,14 +72,15 @@
  * dp->d_ino set to 0.
  */
 #define	DIRBLKSIZ	DEV_BSIZE
-#define	MAXNAMLEN	255
+#define	UFS_MAXNAMLEN	255
 
 struct	direct {
 	u_int32_t d_ino;		/* inode number of entry */
 	u_int16_t d_reclen;		/* length of this record */
 	u_int8_t  d_type; 		/* file type, see below */
 	u_int8_t  d_namlen;		/* length of string in d_name */
-	char	  d_name[MAXNAMLEN + 1];/* name with length <= MAXNAMLEN */
+	char	  d_name[UFS_MAXNAMLEN + 1];
+					/* name with length <= UFS_MAXNAMLEN */
 };
 
 /*
@@ -124,7 +125,7 @@
 
 /*
  * Template for manipulating directories.  Should use struct direct's,
- * but the name field is MAXNAMLEN - 1, and this just won't do.
+ * but the name field is UFS_MAXNAMLEN - 1, and this just won't do.
  */
 struct dirtemplate {
 	u_int32_t	dot_ino;
Index: head/sys/ufs/ufs/dirhash.h
===================================================================
--- head/sys/ufs/ufs/dirhash.h
+++ head/sys/ufs/ufs/dirhash.h
@@ -48,7 +48,7 @@
 #define	DIRHASH_DEL	(-2)	/* deleted entry; may be part of chain */
 
 #define	DIRALIGN	4
-#define	DH_NFSTATS	(DIRECTSIZ(MAXNAMLEN + 1) / DIRALIGN)
+#define	DH_NFSTATS	(DIRECTSIZ(UFS_MAXNAMLEN + 1) / DIRALIGN)
 				 /* max DIRALIGN words in a directory entry */
 
 /*
Index: head/sys/ufs/ufs/ufs_lookup.c
===================================================================
--- head/sys/ufs/ufs/ufs_lookup.c
+++ head/sys/ufs/ufs/ufs_lookup.c
@@ -771,7 +771,7 @@
  *	record length must be multiple of 4
  *	entry must fit in rest of its DIRBLKSIZ block
  *	record must be large enough to contain entry
- *	name is not longer than MAXNAMLEN
+ *	name is not longer than UFS_MAXNAMLEN
  *	name must be as long as advertised, and null terminated
  */
 int
@@ -792,7 +792,7 @@
 #	endif
 	if ((ep->d_reclen & 0x3) != 0 ||
 	    ep->d_reclen > DIRBLKSIZ - (entryoffsetinblock & (DIRBLKSIZ - 1)) ||
-	    ep->d_reclen < DIRSIZ(OFSFMT(dp), ep) || namlen > MAXNAMLEN) {
+	    ep->d_reclen < DIRSIZ(OFSFMT(dp), ep) || namlen > UFS_MAXNAMLEN) {
 		/*return (1); */
 		printf("First bad\n");
 		goto bad;