/**************************  時間の大小を求める  *****************************/
int	cmptime( signed char, signed char, signed char,
			signed char, signed char, signed char ) ;

/****************************  時間差を求める  *******************************/
void subtime( char, char, char,
			char, char, char,
			char *, char *, char * ) ;

/****************************  時間和を求める  *******************************/
void addtime( char, char, char,
			char, char, char,
			char *, char *, char * ) ;