| FCLOSE(3) | Library Functions Manual | FCLOSE(3) | 
fclose —
#include <stdio.h>
int
  
  fclose(FILE
    *stream);
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,
  using fflush(3).
EOF
  is returned and the global variable errno is set to
  indicate the error. In either case no further access to the stream is
  possible.
EBADF]The fclose() function may also fail and
    set errno for any of the errors specified for the
    routines close(2) or
    fflush(3).
fclose() function conforms to ANSI
  X3.159-1989 (“ANSI C89”).
| June 4, 1993 | NetBSD 9.3 |