diff --git a/include/dirent.h b/include/dirent.h
index 63626b5..d1829d1 100644
--- a/include/dirent.h
+++ b/include/dirent.h
@@ -109,7 +109,8 @@ int	 readdir_r(DIR *, struct dirent *, struct dirent **);
 void	 rewinddir(DIR *);
 #if __BSD_VISIBLE
 int	 scandir(const char *, struct dirent ***,
-	    int (*)(struct dirent *), int (*)(const void *, const void *));
+	    int (*)(const struct dirent *), int (*)(const struct dirent **,
+	    const struct dirent **));
 #endif
 #if __XSI_VISIBLE
 void	 seekdir(DIR *, long);
diff --git a/lib/libc/gen/scandir.c b/lib/libc/gen/scandir.c
index 1dae85d..fd59286 100644
--- a/lib/libc/gen/scandir.c
+++ b/lib/libc/gen/scandir.c
@@ -58,11 +58,9 @@ __FBSDID("$FreeBSD$");
 	    (((dp)->d_namlen + 1 + 3) &~ 3))
 
 int
-scandir(dirname, namelist, select, dcomp)
-	const char *dirname;
-	struct dirent ***namelist;
-	int (*select)(struct dirent *);
-	int (*dcomp)(const void *, const void *);
+scandir(const char *dirname, struct dirent ***namelist,
+    int (*select)(const struct dirent *), int (*dcomp)(const struct dirent **,
+	const struct dirent **))
 {
 	struct dirent *d, *p, **names = NULL;
 	size_t nitems = 0;
@@ -111,7 +109,9 @@ scandir(dirname, namelist, select, dcomp)
 	}
 	closedir(dirp);
 	if (nitems && dcomp != NULL)
-		qsort(names, nitems, sizeof(struct dirent *), dcomp);
+		qsort(names, nitems, sizeof(struct dirent *),
+		    (int (*)(const struct dirent **,
+			const struct dirent **))dcomp);
 	*namelist = names;
 	return(nitems);