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/* Determine the parent process of a given process.
Copyright (C) 2019-2023 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2019.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This file 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _GET_PPID_OF_H
#define _GET_PPID_OF_H
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Returns the process id of the parent process of the given process,
or 0 if it cannot be determined. */
extern pid_t get_ppid_of (pid_t pid);
#ifdef __cplusplus
}
#endif
#endif /* _GET_PPID_OF_H */
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