function is the wide-character equivalent of the
.BR strncat (3)
function.
-It copies at most \fIn\fP wide characters from the wide-character
-string pointed to by \fIsrc\fP to the end of the wide-character string pointed
-to by \fIdest\fP, and adds a terminating null wide character (L\(aq\\0\(aq).
+It copies at most
+.I n
+wide characters from the wide-character
+string pointed to by
+.I src
+to the end of the wide-character string pointed
+to by
+.IR dest ,
+and adds a terminating null wide character (L\(aq\\0\(aq).
.PP
The strings may not overlap.
.PP
The programmer must ensure that there is room for at least
-\fIwcslen(dest) + n + 1\fP wide characters at \fIdest\fP.
+.IR "wcslen(dest) + n + 1"
+wide characters at
+.IR dest .
.SH RETURN VALUE
.BR wcsncat ()
-returns \fIdest\fP.
+returns
+.IR dest .
.SH CONFORMING TO
C99.
.SH SEE ALSO