#include iostream in C?

Question

In C++ we always put the following at the top of the program

#include 

What about for C?

Answer 1

Well, this is called the standard I/O header. In C you have:

#include 

It's not an analog to . There is no analog to iostream in C -- it lacks objects and types. If you're using C++, it's the analog to .

• stdio man page
• GNU documentation on Input/Output on Streams

See also this fantastic question and its answer,

• 'printf' vs. 'cout' in C++