Flushing Internal Buffer
flush parameter is used to flush (clear) the internal buffer/stream. It has two values "False" and "True".
Function Explanation
fflush() function is used to clear the write buffers, write the contents of the buffer into the associated file, or delete the contents of a file.
Output and Functions
- The output of the given code is "Hii".
printf()is a library function to send formatted output to the screen.getch()method pauses the Output Console until a key is pressed.
int main() Function
The int main() function is used in C programming to indicate that the function should return an integer value.