default_libdng    635 core/modules.c extern libdng_sym default_libdng;
default_libdng    640 core/modules.c     &default_libdng.base,
default_libdng    681 core/modules.c libdng_sym default_libdng =
default_libdng    697 core/modules.c libdng_sym* libdng = &default_libdng;