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FCLOSE(3)                BSD Library Functions Manual                FCLOSE(3)

NAME
     fclose, fcloseall -- close a stream

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <stdio.h>

     int
     fclose(FILE *stream);

     void
     fcloseall(void);

DESCRIPTION
     The 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).

     The fcloseall() function calls fclose() on all open streams.

RETURN VALUES
     Upon successful completion 0 is returned.  Otherwise, 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.

ERRORS
     The fclose() function may also fail and set errno for any of the errors specified for the routines
     close(2) or fflush(3).

NOTES
     The fclose() function does not handle NULL arguments; they will result in a segmentation violation.
     This is intentional - it makes it easier to make sure programs written under FreeBSD are bug free.
     This behaviour is an implementation detail, and programs should not rely upon it.

SEE ALSO
     close(2), fflush(3), fopen(3), setbuf(3)

STANDARDS
     The fclose() function conforms to ISO/IEC 9899:1990 (``ISO C90'').

     The fcloseall() function first appeared in FreeBSD 7.0.

BSD                             April 22, 2006                             BSD