.I label
are as in
.IR initdraw ;
-.I mousedir
-and
.I windir
-are the directories holding the
-.B mouse
-and
+is the directory holding the
.B winname
-files; and
+file; and
.I ref
specifies the refresh function to be used to create the window, if running under
.IR rio (1)
.I d
contiguous bits in a byte, with the pixel's high order bit
starting at the byte's bit number
-.if t \fIw\fP\(mu(\fIx\fP mod (8/\fIw\fP)),
-.if n w*(x mod (8/w)),
+.if t \fId\fP\(mu(\fIx\fP mod (8/\fId\fP)),
+.if n d*(x mod (8/d)),
where bits within a byte are numbered 0 to 7 from the
high order to the low order bit.
Rows contain integral number of bytes, so there may be some unused