#ifndef PORTS_H
#define PORTS_H

unsigned char port_byte_in(unsigned short port);
void port_byte_out(unsigned short port,unsigned char data);
unsigned short port_word_in(unsigned short port);
void port_word_out(unsigned short port,unsigned short data);
unsigned long port_long_in(unsigned short port);
void port_long_out(unsigned short port,unsigned long data);
#endif