CS 211 - 3/22/13

Multiple Source Code Files

Allows for multiple developers to work
  simultaniously on the project.

Allows for code re-use (creation and use of
   libraries)

Compilation of a C program is a 3 step process
  1.  Preprocessing
  2.  Compiling into the object file
  3.  Linking the object files together with
        the library object files

Assume we have 3 source code files:
  p1.c p2.c p3.c

These get compiled into object files
  p1.o p2.o p3.o 
using the command of
  gcc -c p2.c
  gcc -c p3.c
  gcc -c p1.c

Then link the object files together into the
 executable file
   gcc p1.o p2.o p3.o -o p.exe