Difference between string.h and cstring?

Question

What is the difference between string.h and cstring?

Which one should be used for C and which one for C++ (if at all)?

Answer 1

While using , some answers suggest using std:: namespace. However, the code will still compile and run without the std namespace. This is because: = "string.h" +

This was done to maintain compatibility with C. Try it yourself by including and calling both memcpy() and std::memcpy().