Data Structures Using C, 2nd Edition by Pearson

Files 431

9.7.2 Reading and Searching a

Sequential File

Suppose student data of an engineering college is main-

tained in a file (say “stud.dat”)

Let us assume that on a particular day, the principal

of the school requires some information from the file

called stud.dat. Now, the obvious step is to read the

file to get the required information. The read operation

for a sequential file is explained below.

To read a sequential file, the system always starts at

the beginning of the file and the records are read one by

one till the required record is reached or end of the file

is encountered. The end of the file (EOF) indicates that

all the reco ...