In C programming, a source code file that contains common definitions and data structures that all programmers may use as required. Also called "include files," because the #include statement is ...

The Problem Suppose you have two C files that cooperate. Let’s say you have A.c and B.c. Inside the A file, you have a simple function: ...

You'll then compile all that, make a library file (.a) that contains all the code in the .c files but only the one top level header file (and that header file may #include others underneath that ...

Statements are executable and can have breakpoints set on them. Everything else can't.* Really the non-executable stuff in a header is no different than the non-executable stuff in a source file.