futimesat - change timestamps of a file relative to a directory file descriptor
This system call is obsolete. Use utimensat(2) instead.
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 pathname).
pathname is relative and
dirfd is the special value AT_FDCWD, then
pathname is interpreted relative to the current working directory of the calling process (like utimes(2)).
pathname is absolute, then
dirfd is ignored.
On success, futimesat() returns a 0. On error, -1 is returned and
errno is set to indicate the error.
This system call is nonstandard. It was implemented from a specification that was proposed for POSIX.1, but that specification was replaced by the one for utimensat(2).
A similar system call exists on Solaris.
pathname is NULL, then the glibc futimesat() wrapper function updates the times for the file referred to by
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