title: How to split a C program into multiple files?
body: <p>I want to write my C functions in 2 separate .c files and use my IDE (Code::Blocks) to compile everything together.</p>
  
  <p>How do I set that up in Code::Blocks?</p>
  
  <p>How do I call functions in one <code>.c</code> file from within the other file?</p>