Find out Which header or DLL files are needed for functions in C++?
In other words how do you know which include headers are needed
to do ferious user defined functions?
Read the documentation for the dlls. The header files normally come with experience - generally you get a compiler warning if you try to use std::strings with declaring #include <string> for example.
Hey it depends on what task you are given, you need also to make use of the help in your c++ type header files in the serch and you will have a list of header files.
check them out