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SYNC(P) 			    POSIX Programmer's Manual				  SYNC(P)

NAME
       sync - schedule file system updates

SYNOPSIS
       #include <unistd.h>

       void sync(void);

DESCRIPTION
       The  sync() function shall cause all information in memory that updates file systems to be
       scheduled for writing out to all file systems.

       The writing, although scheduled, is not necessarily complete upon return from sync().

RETURN VALUE
       The sync() function shall not return a value.

ERRORS
       No errors are defined.

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       fsync() , the Base Definitions volume of IEEE Std 1003.1-2001, <unistd.h>

COPYRIGHT
       Portions of this text are reprinted and	reproduced  in	electronic  form  from	IEEE  Std
       1003.1,	2003  Edition,	Standard  for Information Technology -- Portable Operating System
       Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003  by
       the  Institute  of  Electrical  and  Electronics Engineers, Inc and The Open Group. In the
       event of any discrepancy between this version and the original IEEE  and  The  Open  Group
       Standard, the original IEEE and The Open Group Standard is the referee document. The orig-
       inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group			       2003					  SYNC(P)
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