diff --git a/lib/libc/gen/fts.c b/lib/libc/gen/fts.c
index f727003c13d5..1344464585ad 100644
--- a/lib/libc/gen/fts.c
+++ b/lib/libc/gen/fts.c
@@ -226,9 +226,7 @@ mem1:	free(sp);
 }
 
 static void
-fts_load(sp, p)
-	FTS *sp;
-	FTSENT *p;
+fts_load(FTS *sp, FTSENT *p)
 {
 	size_t len;
 	char *cp;
@@ -252,8 +250,7 @@ fts_load(sp, p)
 }
 
 int
-fts_close(sp)
-	FTS *sp;
+fts_close(FTS *sp)
 {
 	FTSENT *freep, *p;
 	int saved_errno;
@@ -307,8 +304,7 @@ fts_close(sp)
 	    ? p->fts_pathlen - 1 : p->fts_pathlen)
 
 FTSENT *
-fts_read(sp)
-	FTS *sp;
+fts_read(FTS *sp)
 {
 	FTSENT *p, *tmp;
 	int instr;
@@ -501,10 +497,7 @@ name:		t = sp->fts_path + NAPPEND(p->fts_parent);
  */
 /* ARGSUSED */
 int
-fts_set(sp, p, instr)
-	FTS *sp;
-	FTSENT *p;
-	int instr;
+fts_set(FTS *sp, FTSENT *p, int instr)
 {
 	if (instr != 0 && instr != FTS_AGAIN && instr != FTS_FOLLOW &&
 	    instr != FTS_NOINSTR && instr != FTS_SKIP) {
@@ -516,9 +509,7 @@ fts_set(sp, p, instr)
 }
 
 FTSENT *
-fts_children(sp, instr)
-	FTS *sp;
-	int instr;
+fts_children(FTS *sp, int instr)
 {
 	FTSENT *p;
 	int fd;
@@ -628,9 +619,7 @@ fts_set_clientptr(FTS *sp, void *clientptr)
  * been found, cutting the stat calls by about 2/3.
  */
 static FTSENT *
-fts_build(sp, type)
-	FTS *sp;
-	int type;
+fts_build(FTS *sp, int type)
 {
 	struct dirent *dp;
 	FTSENT *p, *head;
@@ -876,10 +865,7 @@ mem1:				saved_errno = errno;
 }
 
 static int
-fts_stat(sp, p, follow)
-	FTS *sp;
-	FTSENT *p;
-	int follow;
+fts_stat(FTS *sp, FTSENT *p, int follow)
 {
 	FTSENT *t;
 	dev_t dev;
@@ -974,10 +960,7 @@ fts_compar(const void *a, const void *b)
 }
 
 static FTSENT *
-fts_sort(sp, head, nitems)
-	FTS *sp;
-	FTSENT *head;
-	size_t nitems;
+fts_sort(FTS *sp, FTSENT *head, size_t nitems)
 {
 	FTSENT **ap, *p;
 
@@ -1006,10 +989,7 @@ fts_sort(sp, head, nitems)
 }
 
 static FTSENT *
-fts_alloc(sp, name, namelen)
-	FTS *sp;
-	char *name;
-	size_t namelen;
+fts_alloc(FTS *sp, char *name, size_t namelen)
 {
 	FTSENT *p;
 	size_t len;
@@ -1056,8 +1036,7 @@ fts_alloc(sp, name, namelen)
 }
 
 static void
-fts_lfree(head)
-	FTSENT *head;
+fts_lfree(FTSENT *head)
 {
 	FTSENT *p;
 
@@ -1075,9 +1054,7 @@ fts_lfree(head)
  * plus 256 bytes so don't realloc the path 2 bytes at a time.
  */
 static int
-fts_palloc(sp, more)
-	FTS *sp;
-	size_t more;
+fts_palloc(FTS *sp, size_t more)
 {
 
 	sp->fts_pathlen += more + 256;
@@ -1090,9 +1067,7 @@ fts_palloc(sp, more)
  * already returned.
  */
 static void
-fts_padjust(sp, head)
-	FTS *sp;
-	FTSENT *head;
+fts_padjust(FTS *sp, FTSENT *head)
 {
 	FTSENT *p;
 	char *addr = sp->fts_path;
@@ -1133,11 +1108,7 @@ fts_maxarglen(argv)
  * Assumes p->fts_dev and p->fts_ino are filled in.
  */
 static int
-fts_safe_changedir(sp, p, fd, path)
-	FTS *sp;
-	FTSENT *p;
-	int fd;
-	char *path;
+fts_safe_changedir(FTS *sp, FTSENT *p, int fd, char *path)
 {
 	int ret, oerrno, newfd;
 	struct stat sb;