SETREUID(2)SETREUID(2)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. Otherwise, a
value of -1 is returned and errno is set to indicate 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 ALSOgetuid(2), setregid(2), setuid(3)4th Berkeley Distribution May 9, 1985 SETREUID(2)