Man pages matching name xcb_dri3_buffer_from_pixmap in section 3:

xcb_dri3_buffer_from_pixmap.3.en	debian 10 / libxcb-doc
xcb_dri3_buffer_from_pixmap.3.en	debian 11 / libxcb-doc
xcb_dri3_buffer_from_pixmap.3.en	debian 12 / libxcb-doc