/* * Raspberry Pi support library for the ACK * © 2013 David Given * This file is redistributable under the terms of the 3-clause BSD license. * See the file 'Copying' in the root of the distribution for the full text. */ #ifndef LIBSYS_H #define LIBSYS_H extern void _sys_rawwrite(unsigned char b); extern unsigned char _sys_rawread(void); extern void _sys_write_tty(char c); extern int _sys_ttyflags; #endif