taglinefilesource code
write_data_ptr1565drivers/char/tty_io.ctty->write_data_ptr = (unsigned char *) p;
write_data_ptr1603drivers/char/tty_io.cp = tty->write_data_ptr;
write_data_ptr1611drivers/char/tty_io.ctty->write_data_ptr = p;
write_data_ptr237include/linux/tty.hunsigned char *write_data_ptr;