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diff --git a/lib/memset.c b/lib/memset.c
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+/* memset.c -- set an area of memory to a given value
+ Copyright (C) 1991 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+char *
+memset (str, c, len)
+ char *str;
+ int c;
+ unsigned len;
+{
+ register char *st = str;
+
+ while (len-- > 0)
+ *st++ = c;
+ return str;
+}