new file mode 100644
--- /dev/null
+++ b/lib/strpbrk.c
@@ -0,0 +1,38 @@
+/* Copyright (C) 1991, 1994 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <string.h>
+
+
+/* Find the first ocurrence in S of any character in ACCEPT.  */
+char *
+DEFUN(strpbrk, (s, accept),
+      register CONST char *s AND register CONST char *accept)
+{
+  while (*s != '\0')
+    {
+      const char *a = accept;
+      while (*a != '\0')
+	if (*a++ == *s)
+	  return (char *) s;
+      ++s;
+    }
+
+  return NULL;
+}