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-rw-r--r--src/util/ctable.h41
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diff --git a/src/util/ctable.h b/src/util/ctable.h
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+#ifndef _CTABLE_H_INCLUDED_
+#define _CTABLE_H_INCLUDED_
+
+/*++
+/* NAME
+/* ctable 5
+/* SUMMARY
+/* cache manager
+/* SYNOPSIS
+/* #include <ctable.h>
+/* DESCRIPTION
+/* .nf
+
+ /*
+ * Interface of the cache manager. The structure of a cache is not visible
+ * to the caller.
+ */
+
+#define CTABLE struct ctable
+typedef void *(*CTABLE_CREATE_FN) (const char *, void *);
+typedef void (*CTABLE_DELETE_FN) (void *, void *);
+
+extern CTABLE *ctable_create(ssize_t, CTABLE_CREATE_FN, CTABLE_DELETE_FN, void *);
+extern void ctable_free(CTABLE *);
+extern void ctable_walk(CTABLE *, void (*) (const char *, const void *));
+extern const void *ctable_locate(CTABLE *, const char *);
+extern const void *ctable_refresh(CTABLE *, const char *);
+extern void ctable_newcontext(CTABLE *, void *);
+
+/* LICENSE
+/* .ad
+/* .fi
+/* The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/* Wietse Venema
+/* IBM T.J. Watson Research
+/* P.O. Box 704
+/* Yorktown Heights, NY 10598, USA
+/*--*/
+
+#endif