Man pages matching name xcb_render_composite_glyphs_16 in section 3:

xcb_render_composite_glyphs_16.3.en	debian 10 / libxcb-doc
xcb_render_composite_glyphs_16.3.en	debian 11 / libxcb-doc
xcb_render_composite_glyphs_16.3.en	debian 12 / libxcb-doc