SETREUID(2)							   SETREUID(2)

NAME    [Toc]    [Back]

     setreuid -	set real and effective user ID's

SYNOPSIS    [Toc]    [Back]

     #include <unistd.h>

     int setreuid (uid_t ruid, uid_t euid);

DESCRIPTION    [Toc]    [Back]

     The real and effective user ID's of the current process are set according
     to	the arguments.	If ruid	or euid	is -1, the current uid is filled in by
     the system.  Unprivileged users may change	the real user ID to the
     effective user ID and vice-versa; only the	super-user may make other
     changes.

RETURN VALUE    [Toc]    [Back]

     Upon successful completion, a value of 0 is returned.  Otherwise, a value
     of	-1 is returned and errno is set	to indicate the	error.

ERRORS    [Toc]    [Back]

     [EPERM]	    The	current	process	is not the super-user and a change
		    other than changing	the effective user-id to the real
		    user-id was	specified.

SEE ALSO    [Toc]    [Back]

     getuid(2),	setregid(2), setuid(2).


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