ftfont_list_family  938 src/font.h     extern Lisp_Object ftfont_list_family (struct frame *);
ftfont_list_family  718 src/ftcrfont.c   .list_family = ftfont_list_family,
ftfont_list_family 3127 src/ftfont.c     .list_family = ftfont_list_family,
ftfont_list_family  759 src/xftfont.c      .list_family = ftfont_list_family,