Can someone explain me the exact function/operation of these code syntax(es) ?

Question

1.00/5 (1 vote)

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1. while(fin.read((char*)&F,sizeof(F))){}
where fin is a file input variable (ifstream)

2. fout.write((char*)&F,sizeof(F));
where fout is a file output variable (ofstream)

3. fin.getline(ch, 20, ' ');

4. ch = (char)fin.get();
where ch is a char variable

What I have tried:

Understanding them without a description and direct application in a code is tough
I regret not paying attention in class

Posted 18-Dec-16 5:16am

rajducky

Updated 18-Dec-16 5:41am

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Richard MacCutchan 18-Dec-16 11:40am

"I regret not paying attention in class"
So what do you expect from us? You must have some notes on all these functions, or you could just use Google to navigate your way to the documentation.

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Richard MacCutchan · Answer 1 · 2016-12-18T05:41:00

Solution 1

1. Read some data.
2. Write some data.
3. Read a single line of text.
4. Read a single character.

Posted 18-Dec-16 5:41am

Richard MacCutchan

Comments

CPallini 18-Dec-16 13:06pm

Short and to thew point. :-)