returns the effective user ID of the calling process.
.SH ERRORS
These functions are always successful.
-.SH "CONFORMING TO"
+.SH CONFORMING TO
POSIX.1-2001, 4.3BSD.
.SH NOTES
.SS History
and
.BR geteuid ()
wrapper functions transparently deal with the variations across kernel versions.
-.SH "SEE ALSO"
+.SH SEE ALSO
.BR getresuid (2),
.BR setreuid (2),
.BR setuid (2),