What is Fflush used for?


What is fflush() in C?

fflush() is typically used for output stream only. Its purpose is to clear (or flush) the output buffer and move the buffered data to console (in case of stdout) or disk (in case of file output stream). Below is its syntax.

Purpose of fflush() in C

In the C Programming Language, the fflush function writes any unwritten data in stream’s buffer. If stream is a null pointer, the fflush function will flush all streams with unwritten data in the buffer.

  • Argument passed in fflush(): (B) stdin argument is passed to fflush()
  • fflush() method functionality: clears the I/O buffer associated with the open file given by the FILE reference argument. If the file was opened for writing, fflush() will write the document’s contents.

Is "++" allowed in Python?

Python, by design, does not allow the use of the ++ “operator”. The ++ term, which is called the increment operator in C++ / Java, does not have a place in Python.

What is zip() in Python?

When you zip something, you bring both sides together. The zip() function brings elements of the same index from multiple iterable objects together as elements of the same tuples. The zip() function takes in iterables as arguments, such as lists, files, tuples, sets, etc.

What is a Tuple in Python?

A Tuple is a collection of Python objects separated by commas. In some ways, a tuple is similar to a list in terms of indexing, nested objects, and repetition, but a tuple is immutable unlike lists which are mutable.

How to use the sep parameter in Python 3?

Python | sep parameter in print(): The separator between the arguments to print() function in Python is space by default (softspace feature), which can be modified and can be made to any character, integer, or string as per our choice. The ‘sep’ parameter is used to achieve the same, it is found only in python 3.

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