View Compilation Error

0_0_28139333_25465.cpp: In function 'int main()':
0_0_28139333_25465.cpp:43:1: error: 'memset' is not a member of 'std'
 std::memset(s, 0, sizeof s);
 ^
0_0_28139333_25465.cpp:44:1: error: 'memset' is not a member of 'std'
 std::memset(p, 0, sizeof p);
 ^