-.DE
-.SH SEE ALSO
-ioctl(2), grf(4).
-.br
-For extensive code examples using the
-Renaissance, see the X device dependent source.
-.SH FILES
-.ta \w'/dev/crt98720, /dev/ocrt98720 'u
-/dev/grf? BSD special file
-.br
-/dev/crt98720, /dev/ocrt98720 HP-UX \fIstarbase\fP special files
-.br
-/dev/MAKEDEV.hpux script for creating HP-UX special files
-.SH ERRORS
-.TP 15
-[ENODEV]
+rbox = (rboxfb *) Addr; /* Control Registers */
+frame_buffer = (u_char *) Addr + gi.gd_regsize; /* Frame buffer memory */
+.Ed
+.Sh FILES
+.Bl -tag -width /dev/MAKEDEV.hpux -compact
+.It Pa /dev/grf?
+.Bx
+special file
+.It Pa /dev/crt98720
+.It Pa /dev/ocrt98720
+.Tn HP-UX
+.Em starbase
+special files
+.It Pa /dev/MAKEDEV.hpux
+script for creating
+.Tn HP-UX
+special files
+.El
+.Sh DIAGNOSTICS
+None under
+.Bx .
+The
+.Tn HP-UX
+.Tn CE.utilities
+must be used.
+.Sh ERRORS
+.Bl -tag -width [EINVAL]
+.It Bq Er ENODEV