The
.BR wcwidth ()
function returns the number of columns
-needed to represent the wide character \fIc\fP.
-If \fIc\fP is a printable wide character, the value
+needed to represent the wide character
+.IR c .
+If
+.I c
+is a printable wide character, the value
is at least 0.
-If \fIc\fP is null wide character (L\(aq\\0\(aq), the value is 0.
+If
+.I c
+is null wide character (L\(aq\\0\(aq), the value is 0.
Otherwise \-1 is returned.
.SH RETURN VALUE
The
.BR wcwidth ()
function returns the number of
-column positions for \fIc\fP.
+column positions for
+.IR c .
.SH CONFORMING TO
POSIX.1-2001.