src/shared/env-file-label.h - systemd - Git at Google

 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 #pragma once

 /* These functions are split out of fileio.h (and not for example just flags to the functions they wrap) in order to
  * optimize linking: This way, -lselinux is needed only for the callers of these functions that need selinux, but not
  * for all */

 int write_env_file_label(const char *fname, char **l);
	/* SPDX-License-Identifier: LGPL-2.1-or-later */
	#pragma once

	/* These functions are split out of fileio.h (and not for example just flags to the functions they wrap) in order to
	* optimize linking: This way, -lselinux is needed only for the callers of these functions that need selinux, but not
	* for all */

	int write_env_file_label(const char fname, char *l);