View Compilation Error

0_0_39217302_26547.cpp: In function 'void aug(int)':
0_0_39217302_26547.cpp:27:9: error: 'bzero' was not declared in this scope
   27 |         bzero(pre+1,4*N);
      |         ^~~~~
0_0_39217302_26547.cpp: In function 'int main()':
0_0_39217302_26547.cpp:66:9: error: 'bzero' was not declared in this scope
   66 |         bzero(mat,4*N);
      |         ^~~~~