1unsigned calc_mp(unsigned mod) 2{ 3 unsigned a,b,c; 4 c=-1; 5 a=c/mod; 6 b=0-a*mod; 7 if (b > mod) { a += 1; b-=mod; } 8 return b; 9} 10 11int main(int argc, char *argv[]) 12{ 13 unsigned x = 1234; 14 unsigned y = calc_mp(x); 15 16 if ((sizeof (y) == 4 && y != 680) 17 || (sizeof (y) == 2 && y != 134)) 18 abort (); 19 exit (0); 20} 21 22 23