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FUTIMESAT(2)			    Linux Programmer's Manual			     FUTIMESAT(2)

       futimesat - change timestamps of a file relative to a directory file descriptor

       #include <fcntl.h> /* Definition of AT_* constants */
       #include <sys/time.h>

       int futimesat(int dirfd, const char *pathname,
		     const struct timeval times[2]);

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

       futimesat(): _GNU_SOURCE

       This system call is obsolete.  Use utimensat(2) instead.

       The  futimesat() system call operates in exactly the same way as utimes(2), except for the
       differences described in this manual page.

       If the pathname given in pathname is relative, then it  is  interpreted	relative  to  the
       directory  referred  to	by the file descriptor dirfd (rather than relative to the current
       working directory of the calling process, as is done by utimes(2)  for  a  relative  path-

       If  pathname  is relative and dirfd is the special value AT_FDCWD, then pathname is inter-
       preted relative to the current working directory of the calling process (like utimes(2)).

       If pathname is absolute, then dirfd is ignored.

       On success, futimesat() returns a 0.  On error, -1 is returned and errno is set	to  indi-
       cate the error.

       The  same  errors  that occur for utimes(2) can also occur for futimesat().  The following
       additional errors can occur for futimesat():

       EBADF  dirfd is not a valid file descriptor.

	      pathname is relative and dirfd is a file descriptor referring to a file other  than
	      a directory.

       futimesat()  was  added	to  Linux in kernel 2.6.16; library support was added to glibc in
       version 2.4.

       This system call is nonstandard.  It was implemented from a specification  that	was  pro-
       posed for POSIX.1, but that specification was replaced by the one for utimensat(2).

       A similar system call exists on Solaris.

   Glibc notes
       If pathname is NULL, then the glibc futimesat() wrapper function updates the times for the
       file referred to by dirfd.

       stat(2), utimensat(2), utimes(2), futimes(3), path_resolution(7)

       This page is part of release 3.53 of the Linux man-pages project.  A  description  of  the
       project,     and    information	  about    reporting	bugs,	 can	be    found    at

Linux					    2012-05-10				     FUTIMESAT(2)
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