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Programming and Data Structures
book

Programming and Data Structures

by Ashok Kamthane
August 2009
Intermediate to advanced content levelIntermediate to advanced
604 pages
21h 39m
English
Pearson India
Content preview from Programming and Data Structures
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13.8 LOW LEVEL DISK I/O
In the low-level disk I/O disk operation data can not be written as character by character or with
sequence of character as it is carried in the high-level disk I/O functions. In the low-level disk I/O
functions, buffers are used to carry the read and write operations.
Buffer plays an important role in the low-level disk I/O program. The programmer needs to
declare an appropriate buffer size. The low-level disk I/O operations are more efficient and quick
than the high level disk 1/O operations.
a. Opening a file To open a file or files open () function is used. This function is defined in "io.h".
The syntax
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Publisher Resources

ISBN: 9789332506343