.SH ATTRIBUTES
For an explanation of the terms used in this section, see
.BR attributes (7).
+.ad l
+.nh
.TS
allbox;
-lb lb lb
+lbx lb lb
l l l.
Interface Attribute Value
T{
.BR ungetwc ()
T} Thread safety MT-Safe
.TE
+.hy
+.ad
+.sp 1
.SH CONFORMING TO
POSIX.1-2001, POSIX.1-2008, C99.
.SH NOTES