C Programming Tutorial
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.
Syntax
The syntax for the fflush function in the C Language is:
int fflush(FILE *stream);
Parameters or Arguments
stream
The stream to flush.
Returns
The fflush function returns zero if successful or EOF if an error was encountered.
Required Header
In the C Language, the required header for the fflush function is:
#include <stdio.h>
Applies To
In the C Language, the fflush function can be used in the following versions:
- ANSI/ISO 9899-1990