futimes man page on Archlinux

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FUTIMES(3)		   Linux Programmer's Manual		    FUTIMES(3)

       futimes, lutimes - change file timestamps

       #include <sys/time.h>

       int futimes(int fd, const struct timeval tv[2]);

       int lutimes(const char *filename, const struct timeval tv[2]);

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

       futimes(), lutimes(): _BSD_SOURCE

       futimes()  changes  the	access and modification times of a file in the
       same way as utimes(2), with the difference that the  file  whose	 time‐
       stamps are to be changed is specified via a file descriptor, fd, rather
       than via a pathname.

       lutimes() changes the access and modification times of a	 file  in  the
       same way as utimes(2), with the difference that if filename refers to a
       symbolic link, then the link is not dereferenced:  instead,  the	 time‐
       stamps of the symbolic link are changed.

       On  success,  zero is returned.	On error, -1 is returned, and errno is
       set appropriately.

       Errors  are  as	for  utimes(2),	 with  the  following  additions   for

       EBADF  fd is not a valid file descriptor.

       ENOSYS The /proc filesystem could not be accessed.

       The following additional error may occur for lutimes():

       ENOSYS The  kernel does not support this call; Linux 2.6.22 or later is

       futimes() is available since glibc 2.3.	lutimes() is  available	 since
       glibc 2.6, and is implemented using the utimensat(2) system call, which
       is supported since kernel 2.6.22.

   Multithreading (see pthreads(7))
       The futimes() and lutimes() functions are thread-safe.

       These functions are not specified in any standard.  Other  than	Linux,
       they are available only on the BSDs.

       utime(2), utimensat(2), symlink(7)

       This  page  is  part of release 3.65 of the Linux man-pages project.  A
       description of the project, and information about reporting  bugs,  can
       be found at http://www.kernel.org/doc/man-pages/.

Linux				  2013-10-29			    FUTIMES(3)

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