tty_write 129 bsp/drv/dev/base/wscons.c return tty_write(tty, buf, nbyte); tty_write 107 bsp/drv/dev/serial/serial.c return tty_write(&sc->tty, buf, nbyte); tty_write 92 bsp/drv/include/tty.h int tty_write(struct tty *, char *, size_t *);