+# define HEADER_TXT_DB_H
+
+# include <openssl/opensslconf.h>
+# ifndef OPENSSL_NO_BIO
+# include <openssl/bio.h>
+# endif
+# include <openssl/stack.h>
+# include <openssl/lhash.h>
+
+# define DB_ERROR_OK 0
+# define DB_ERROR_MALLOC 1
+# define DB_ERROR_INDEX_CLASH 2
+# define DB_ERROR_INDEX_OUT_OF_RANGE 3
+# define DB_ERROR_NO_INDEX 4
+# define DB_ERROR_INSERT_INDEX_CLASH 5