SETREUID(2-BSD)     RISC/os Reference Manual      SETREUID(2-BSD)



NAME
     setreuid - set real and effective user ID's

SYNOPSIS
     setreuid(ruid, euid)
     int ruid, euid;

DESCRIPTION
     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
     Upon successful completion, a value of 0 is returned.  Oth-
     erwise, a value of -1 is returned and errno is set to indi-
     cate the error.

ERRORS
     [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
     getuid(2), setregid(2), setuid(3)




























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