e="Helvetica"><b>Note:</b></font>&nbsp; <font face="Times">The functions must contain only C code; Objective C code won't work.</font>

<p><font face="Times">The five functions should be defined in a user-level executable, to be loaded into the SVGA PostScript driver at run time. You need to inform the PostScript driver of the executable's location using the configuration key &quot;SVGA PostScript Driver Extension&quot;. You also need to specify the SVGA PostScript driver (<b>/usr/lib/NextStep/Displays/SVGA