--- /dev/null
+#ifndef _ITKACL_H
+#define _ITKACL_H
+
+/*
+ * itkacl control library, version 0.1
+ *
+ * (C) 2004-2009 Steinar H. Gunderson
+ * GPL, v2.
+ */
+
+int itkacl_check(const char * const realm, const char * const user,
+ char *errmsg, size_t errmsg_size);
+
+#endif /* !defined(_ITKACL_H) */