Understanding the need for fflush() and problems associated with it
The first thing to consider is that fflush is defined only on output streams. According to man fflush, fflush can also be used in input streams: For output streams, fflush () forces a write of all user …
c - Using fflush (stdin) - Stack Overflow
Mar 1, 2018 · So a quick Google search for fflush (stdin) for clearing the input buffer reveals numerous websites warning against using it. And yet that's exactly how my CS professor …
Flushing buffers in C - Stack Overflow
Oct 30, 2014 · Should fflush() not be used to flush a buffer even if it is an output stream? What is it useful for? How do we flush a buffer in general?
c - the use of fflush (FILE* stream) - Stack Overflow
May 21, 2015 · fflush is needed when you need to control when output written to a stdio FILE actually becomes visible, since stdio normally buffers output and writes a large chunk as a …
Difference between fflush and fsync - Stack Overflow
The standard C function fflush() and the POSIX system call fsync() are conceptually somewhat similar. fflush() operates on C file streams (FILE objects), and is therefore portable. fsync() …
Limpar buffer em C com fflush () ou __fpurge ()
Feb 4, 2016 · Estudando strings em C me deparei com a seguinte frase: "Limpar o buffer, por exemplo, nem sempre é algo desejável, e para programação mais profissional e segura não é …
How can you flush a write using a file descriptor? - Stack Overflow
Aug 3, 2016 · 13 fflush() only flushes the buffering added by the stdio fopen() layer, as managed by the FILE * object. The underlying file itself, as seen by the kernel, is not buffered at this …
c++ - How do I flush the cin buffer? - Stack Overflow
Nov 2, 2008 · However, fflush (stdin) is undefined behavior according to the standard. fflush () is only meant for output streams. fflush (stdin) only seems to work as expected on Windows (with …
What does fflush (stdin) do in C programing? [duplicate]
I am very new to C programming and I am trying to understand how fflush (stdin) really works. In the following example does fflush (stdin) clears all the buffer or it clears whatever entered after …
What is the use of fflush (stdin) in c programming? [closed]
Aug 11, 2013 · For input streams, fflush () discards any buffered data that has been fetched from the underlying file, but has not been consumed by the application. Note: This is Linux-specific, …