Programming in C, 3/e, 3rd Edition

CHAPTER 14

Files

Chapter Outline

14.1    Introduction of a File

14.2    Definition of File

14.3    Streams and File Types

14.4    Steps for File Operations

14.5    File I/O

14.6    Structures Read and Write

14.7    Other File Function

14.8    Searching Errors in Reading/Writing Files

14.9    Low-Level Disk I/O

14.10  Command Line Arguments

14.11  Application of Command Line Arguments

14.12  Environment Variables

14.13  I/O Redirection

14.1  INTRODUCTION OF A FILE

A file is nothing but collection of records. Record is group of related data items. All data items ­related to students, employees, customers etc is nothing but records. In other words, file is a collection of numbers, symbols & text placed onto the secondary devices like hard disk, ...