diff --git a/include/ls.h b/include/ls.h
new file mode 100644
index 0000000..718a4a4
--- /dev/null
+++ b/include/ls.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 1989 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Michael Fischbein.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that: (1) source distributions retain this entire copyright
+ * notice and comment, and (2) distributions including binaries display
+ * the following acknowledgement:  ``This product includes software
+ * developed by the University of California, Berkeley and its contributors''
+ * in the documentation or other materials provided with the distribution
+ * and in all advertising materials mentioning features or use of this
+ * software. Neither the name of the University nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *	@(#)ls.h	5.10 (Berkeley) 4/8/90
+ */
+
+#ifndef _FSP_LS_H_
+#define _FSP_LS_H_ 1
+
+typedef struct _lsstruct {
+	char *name;			/* file name */
+	int len;			/* file name length */
+	struct stat lstat;		/* lstat(2) for file */
+} LS;
+
+/*
+ * overload -- we probably have to save blocks and/or maxlen with the lstat
+ * array, so tabdir() stuffs it into unused fields in the first stat structure.
+ * If there's ever a type larger than u_long, fix this.  Any calls to qsort
+ * must save and restore the values.
+ */
+#define	st_btotal	st_dev
+#define	st_maxlen	st_rdev
+
+extern int f_accesstime;	/* use time of last access */
+extern int f_group;		/* show group ownership of a file */
+extern int f_inode;		/* print inode */
+extern int f_kblocks;		/* print size in kilobytes */
+extern int f_longform;		/* long listing format */
+extern int f_singlecol;		/* use single column output */
+extern int f_size;		/* list size in short listing */
+extern int f_statustime;	/* use time of last mode change */
+extern int f_total;		/* if precede with "total" line */
+extern int f_type;		/* add type character for non-regular files */
+
+/* cmp.c */
+int namecmp PROTO0((LS *, LS *));
+int revnamecmp PROTO0((LS *, LS *));
+int modcmp PROTO0((LS *, LS *));
+int revmodcmp PROTO0((LS *, LS *));
+int acccmp PROTO0((LS *, LS *));
+int revacccmp PROTO0((LS *, LS *));
+int statcmp PROTO0((LS *, LS *));
+int revstatcmp PROTO0((LS *, LS *));
+
+/* ls.c */
+void fls_main PROTO0((int, char **));
+
+/* print.c */
+void printscol PROTO0((LS *, int));
+void printlong PROTO0((LS *, int));
+void printcol PROTO0((LS *, int));
+
+/* util.c */
+void prcopy PROTO0((char *, char *, int));
+char *emalloc PROTO0((int));
+void nomem PROTO0((void));
+void usage PROTO0((void));
+
+/* clients/flscmd.c */
+int ls_bad PROTO0((int));
+	
+#endif /* _FSP_LS_H_ */