of the
.BR strcspn (3)
function.
-It determines the length of the longest initial segment of \fIwcs\fP
-which consists entirely of wide-characters not listed in \fIreject\fP.
+It determines the length of the longest initial segment of
+.I wcs
+which consists entirely of wide-characters not listed in
+.IR reject .
In
other words, it searches for the first occurrence in the wide-character
-string \fIwcs\fP of any of the characters in the wide-character string
-\fIreject\fP.
+string
+.I wcs
+of any of the characters in the wide-character string
+.IR reject .
.SH RETURN VALUE
The
.BR wcscspn ()
function returns the number of
wide characters in the longest
-initial segment of \fIwcs\fP which consists entirely of wide-characters not
-listed in \fIreject\fP.
+initial segment of
+.I wcs
+which consists entirely of wide-characters not
+listed in
+.IR reject .
In other words, it returns the position of the first
-occurrence in the wide-character string \fIwcs\fP
+occurrence in the wide-character string
+.I wcs
of any of the characters in
-the wide-character string \fIreject\fP,
-or \fIwcslen(wcs)\fP if there is none.
+the wide-character string
+.IR reject ,
+or
+.IR wcslen(wcs)
+if there is none.
.SH CONFORMING TO
C99.
.SH SEE ALSO