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symlinkat - create a symbolic link relative to a directory file
#include <fcntl.h> /* Definition of AT_* constants */
int symlinkat(const char *oldpath, int newdirfd, const char *newpath);
The symlinkat() system call operates in exactly the same way as
symlink(2), except for the differences described in this manual page.
If the pathname given in newpath is relative, then it is interpreted
relative to the directory referred to by the file descriptor newdirfd
(rather than relative to the current working directory of the calling
process, as is done by symlink(2) for a relative pathname).
If newpath is relative and newdirfd is the special value AT_FDCWD, then
newpath is interpreted relative to the current working directory of the
calling process (like symlink(2)).
If newpath is absolute, then newdirfd is ignored.
On success, symlinkat() returns 0. On error, -1 is returned and errno
is set to indicate the error.
The same errors that occur for symlink(2) can also occur for
symlinkat(). The following additional errors can occur for
EBADF newdirfd is not a valid file descriptor.
newpath is relative and newdirfd is a file descriptor referring
to a file other than a directory.
symlinkat() was added to Linux in kernel 2.6.16.
This system call is non-standard but is proposed for inclusion in a
future revision of POSIX.1.
See openat(2) for an explanation of the need for symlinkat().
openat(2), symlink(2), path_resolution(7), symlink(7)
This page is part of release 3.01 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/.