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/*
uidswap.h
Author: Tatu Ylonen <ylo@cs.hut.fi>
Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
All rights reserved
Created: Sat Sep 9 01:43:15 1995 ylo
Last modified: Sat Sep 9 02:34:04 1995 ylo
*/
#ifndef UIDSWAP_H
#define UIDSWAP_H
/* Temporarily changes to the given uid. If the effective user id is not
root, this does nothing. This call cannot be nested. */
void temporarily_use_uid(uid_t uid);
/* Restores the original effective user id after temporarily_use_uid().
This should only be called while temporarily_use_uid is effective. */
void restore_uid();
/* Permanently sets all uids to the given uid. This cannot be called while
temporarily_use_uid is effective. This must also clear any saved uids. */
void permanently_set_uid(uid_t uid);
#endif /* UIDSWAP_H */
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