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diff --git a/src/utils/knotc/commands.h b/src/utils/knotc/commands.h
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+/*  Copyright (C) 2022 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "libknot/control/control.h"
+#include "knot/ctl/commands.h"
+
+/*! \brief Command condition flags. */
+typedef enum {
+	CMD_FNONE        = 0,       /*!< Empty flag. */
+	CMD_FREAD        = 1 << 0,  /*!< Required read access to config or confdb. */
+	CMD_FWRITE       = 1 << 1,  /*!< Required write access to confdb. */
+	CMD_FOPT_ITEM    = 1 << 2,  /*!< Optional item argument. */
+	CMD_FREQ_ITEM    = 1 << 3,  /*!< Required item argument. */
+	CMD_FOPT_DATA    = 1 << 4,  /*!< Optional item data argument. */
+	CMD_FOPT_ZONE    = 1 << 5,  /*!< Optional zone name argument. */
+	CMD_FREQ_ZONE    = 1 << 6,  /*!< Required zone name argument. */
+	CMD_FREQ_TXN     = 1 << 7,  /*!< Required open confdb transaction. */
+	CMD_FOPT_MOD     = 1 << 8,  /*!< Optional configured modules dependency. */
+	CMD_FREQ_MOD     = 1 << 9,  /*!< Required configured modules dependency. */
+	CMD_FLIST_SCHEMA = 1 << 10, /*!< List schema or possible option values. */
+} cmd_flag_t;
+
+struct cmd_desc;
+typedef struct cmd_desc cmd_desc_t;
+
+/*! \brief Command callback arguments. */
+typedef struct {
+	const cmd_desc_t *desc;
+	knot_ctl_t *ctl;
+	int argc;
+	const char **argv;
+	char flags[4];
+	bool force;
+	bool extended;
+	bool color;
+	bool color_force;
+	bool blocking;
+} cmd_args_t;
+
+/*! \brief Command callback description. */
+struct cmd_desc {
+	const char *name;
+	int (*fcn)(cmd_args_t *);
+	ctl_cmd_t cmd;
+	cmd_flag_t flags;
+};
+
+/*! \brief Command description. */
+typedef struct {
+	const char *name;
+	const char *params;
+	const char *desc;
+} cmd_help_t;
+
+/*! \brief Table of commands. */
+extern const cmd_desc_t cmd_table[];
+
+/*! \brief Prints commands help. */
+void print_commands(void);