C - fflush() in Multiple Scanf calls

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fflush() in Multiple Scanf calls

What is the requirment of using fflush() in multiple scanf calls.

Total Answers and Comments: 3

Last Update: September 02, 2009 Asked by: Gaurav Kumar

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Submitted by: Bajrang ASthana

Fflush is mainly used toÂ cleanup all pipelines and buffer which are used during the storage of data or writing the data; it is necessary because it may block pipelines and may be responsible undesired output. It is good programming approach that you flush pipeline after writing data, in case of Java programming it is must to flush data otherwise it will not go properly into destination file.

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John Tinnon, chandrakumar.g, Ajay Kanse

September 26, 2008 03:21:14

Bajrang ASthana

Member Since: September 2008 Contribution: 1

RE: fflush() in Multiple Scanf calls

Fflush is mainly used to cleanup all pipelines and buffer which are used during the storage of data or writing the data; it is necessary because it may block pipelines and may be responsible undesired output. It is good programming approach that you flush pipeline after writing data in case of Java programming it is must to flush data otherwise it will not go properly into destination file.

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October 10, 2008 10:50:19

raman0.balakrishnan0

Member Since: October 2008 Contribution: 1

RE: fflush() in Multiple Scanf calls

scanf could leave some characters in the input stream based on what is specified in
the format specifier says " s" etc. The fflush is done to take care that the subsequent scanf does not read these extraneous characters.

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September 01, 2009 21:19:42

suman680

Member Since: February 2009 Contribution: 1

RE: fflush() in Multiple Scanf calls

When we take some name age class from user using scanf then at first when we take name and after age then some time the age place is skip and user can not assigned any value there. Reason behind it only is buffer. After giving name by user there some change in buffer to clear this buffer we can use fflush().

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