HelenOS sources

chargrid_backspace  520 uspace/app/terminal/terminal.c 		updated = chargrid_backspace(term->frontbuf);
chargrid_backspace   84 uspace/lib/output/include/io/chargrid.h extern sysarg_t chargrid_backspace(chargrid_t *);
chargrid_backspace  491 uspace/srv/hid/console/console.c 		updated = chargrid_backspace(cons->frontbuf);