cb_change_dng_usb_ext  557 core/conf.c            cb_change_dng_usb_ext();
cb_change_dng_usb_ext 1902 core/gui.c     extern void cb_change_dng_usb_ext();
cb_change_dng_usb_ext 1929 core/gui.c         MENU_ITEM   (0x71,LANG_MENU_DNG_VIA_USB,                MENUITEM_BOOL | MENUITEM_ARG_CALLBACK, &conf.dng_usb_ext , (int)cb_change_dng_usb_ext ),