View Compilation Error

0_0_29750146_28213.cpp: In function 'int main()':
0_0_29750146_28213.cpp:13:46: error: 'scanf_s' was not declared in this scope
 #define sfff(a,b,c) scanf_s("%d%d%d",&a,&b,&c)
                                              ^
0_0_29750146_28213.cpp:46:9: note: in expansion of macro 'sfff'
  while (sfff(n, m, k) != EOF)
         ^