static int help_add_command(struct command_context *cmd_ctx,
const char *cmd_name, const char *help_text, const char *usage_text);
static int help_del_command(struct command_context *cmd_ctx, const char *cmd_name);
static int help_add_command(struct command_context *cmd_ctx,
const char *cmd_name, const char *help_text, const char *usage_text);
static int help_del_command(struct command_context *cmd_ctx, const char *cmd_name);