#ifndef LPT_H_#define LPT_H_#define BIT0 1#define BIT1 2#define BIT2 4#define BIT3 8#define BIT4 16#define BIT5 32#define BIT6 64#define BIT7 128unsigned char initLPT();unsigned char in(char);void out(char);#endif /*LPT_H_*/