SETEUID(3C)							   SETEUID(3C)

NAME    [Toc]    [Back]

     seteuid, setruid, setegid,	setrgid	- set user and group IDs

SYNOPSIS    [Toc]    [Back]

     #include <unistd.h>

     int seteuid(uid_t euid);
     int setruid(uid_t ruid);

     int setegid(gid_t egid);
     int setrgid(gid_t rgid);

DESCRIPTION    [Toc]    [Back]

     seteuid (setegid) sets the	effective user ID (group ID) of	the current
     process.

     setruid (setrgid) sets the	real user ID (group ID)	of the current
     process.

     These calls are only permitted to the super-user or if the	argument is
     the real or effective ID.

DIAGNOSTICS    [Toc]    [Back]

     Zero is returned if the user (group) ID is	set.  Otherwise	-1 is returned
     and errno is set to EPERM if the caller is	not the	super-user and a
     disallowed	ID is used.

SEE ALSO    [Toc]    [Back]

     setreuid(2), setregid(2), setuid(2), setgid(2), getuid(2),	getgid(2).


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