wsfont_map_unichar
c = wsfont_map_unichar(wf, c);
if ((c = wsfont_map_unichar(font, c)) < 0)
ch = wsfont_map_unichar(dc->dc_fontdata, ch);
ch = wsfont_map_unichar(dc->dc_fontdata, ch);
int glyph = wsfont_map_unichar(ri->ri_font, c);
int wsfont_map_unichar(struct wsdisplay_font *, int);