View Compilation Error

0_0_20945517_32395.c: In function 'main':
0_0_20945517_32395.c:9:2: error: expected expression before '/' token
  //memset(b, 0, 5);
  ^
0_0_20945517_32395.c:19:3: error: expected expression before '/' token
   //cout << "dc" << endl;
   ^
0_0_20945517_32395.c:24:5: error: expected expression before '/' token
     //cout << c[i] << endl;
     ^
0_0_20945517_32395.c:41:2: error: expected declaration or statement at end of input
  return 0;
  ^