Learn C Programming - Second Edition

Chapter 24: Working with Multi-File Programs

To solve large problems, we often need large programs. All the programs we have developed so far have been small – under 1,000 lines of code. This is a reasonable size for a medium-sized program to, say, create a simple game, perform a basic but robust utility, or keep notes that may consist of anywhere between 10,000 to 100,000 lines of code. A large program would manage a company's inventory, track sales orders and bills of materials, provide word processing or spreadsheet capabilities, or manage the resources of the computer itself – an operating system. Such programs would consist of anywhere from 100,000 lines of code to a million or more lines of code. Such programs would have teams of programmers ...