Apply dos in C++

[skintone]

I want to use dos command in c++ program.I use turbo c++ 4.5.
I used heder file #include<cstdlib.h> but error.
Please help me.

[jlb]

There is probably no header <cstdlib.h> in that ancient compiler, try <stdlib.h> instead.

You should also consider getting a more modern compiler, that compiler is probably 20 to 30 years old.