**fig2_10.txt**

/* 1*/	unsigned int
/* 2*/	Gcd( unsigned int M, unsigned int N )
/* 3*/	{
/* 4*/	    unsigned int Rem;

/* 5*/	    while( N > 0 )
/* 6*/	    {
/* 7*/	        Rem = M % N;
/* 8*/	        M   = N;
/* 9*/	        N   = Rem;
/*10*/	    }
/*11*/	    return M;
/*12*/	}