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-rw-r--r--libmisc/chkname.h27
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diff --git a/libmisc/chkname.h b/libmisc/chkname.h
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+/*
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1997 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 2005 , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2008 , Nicolas François
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/* $Id$ */
+#ifndef _CHKNAME_H_
+#define _CHKNAME_H_
+
+/*
+ * is_valid_user_name(), is_valid_group_name() - check the new user/group
+ * name for validity;
+ * return values:
+ * true - OK
+ * false - bad name
+ */
+
+#include "defines.h"
+
+extern bool is_valid_user_name (const char *name);
+extern bool is_valid_group_name (const char *name);
+
+#endif