draw_char 104 uspace/srv/hid/output/ctl/serial.c draw_char(state, field, col, row); draw_char 210 uspace/srv/hid/output/port/ddev.c draw_char(ddev, field, col, row); draw_char 176 uspace/srv/hid/output/port/ega.c draw_char(field, col, row);HelenOS homepage, sources at GitHub