fclose() function dissociates the named
stream from its underlying file or set of functions. If
the stream was being used for output, any buffered data is written first,
Upon successful completion 0 is returned. Otherwise,
is returned and the global variable errno is set to
indicate the error. In either case no further access to the stream is
- The argument stream is not an open stream.
fclose() function may also fail and
set errno for any of the errors specified for the
routines close(2) or
fclose() function conforms to ANSI
X3.159-1989 (“ANSI C89”).
fclose() function first appeared in
Version 7 AT&T UNIX.