fpurge — flush a
erases any input or output buffered in the given
stream. For output streams this discards any unwritten
output. For input streams this discards any input read from the underlying
object but not yet obtained via
getc(3); this includes any text
pushed back via ungetc(3).
Upon successful completion 0 is returned. Otherwise,
EOF is returned and the global variable
errno is set to indicate the error.
- stream is not an open stream.
fpurge() function first appeared in
|November 4, 2015||Linux 6.3.2-arch1-1|