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fcntl(5)		      File Formats Manual		      fcntl(5)

NAME
       fcntl - file control options

SYNOPSIS
DESCRIPTION
       The  function  provides	for control over open files.  The include file
       describes requests and arguments	to and See fcntl(2) and	open(2).

       The access modes	set by and accessed by are:

	      The mask for file	access modes is:

	      The file status flags set	by
	      or and accessed by are:

	      Nonblocking I/O.
	      POSIX-style nonblocking I/O.
	      Append (writes guaranteed	at the end).
	      Write through cache for data.
	      Write through cache for data and attributes.
	      Write through cache for data on reads and	writes.
	      Write through cache for data and attributes on reads and writes.
	      When the filesystem is mounted as	large files enabled, the
				       option allows the file to grow  over  2
				       GB.

       The flag	is a synonym for and is	defined	for backward compatibility in

       The flag	values accessible only to are:

	      Open with	file create (uses third	open arg).
	      Open with	truncation.
	      Exclusive	open.
	      Do not assign a controlling terminal.

       The requests for	are:

	      Duplicate	file descriptor.
	      Get file descriptor flags.
	      Set file descriptor flags.
	      Get file flags.
	      Set file flags.
	      Get blocking file	lock.
	      Set or clear file	locks and fail on busy.
	      Set or clear file	locks and wait on busy.

       The file	descriptor flag	for is:

	      The file segment locking control structure
	      includes the following members:

       The file	segment	locking	types are:

SEE ALSO
       fcntl(2), open(2).

STANDARDS CONFORMANCE
								      fcntl(5)

NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | STANDARDS CONFORMANCE

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