NAME

       fpurge — flush a stream

LIBRARY

       Utility functions from BSD systems (libbsd, -lbsd)

SYNOPSIS

       #include <stdio.h>
       (See libbsd(7) for include usage.)

       int
       fpurge(FILE *stream);

DESCRIPTION

       The  function  fpurge() 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).

RETURN VALUES

       Upon successful completion 0 is returned.  Otherwise, EOF is returned and the global  variable  errno  is
       set to indicate the error.

ERRORS

       [EBADF]            stream is not an open stream.

SEE ALSO

       fclose(3), fopen(3), setvbuf(3)

HISTORY

       The fpurge() function first appeared in 4.4BSD-Lite.

Debian                                          November 4, 2015                                    fpurge(3bsd)