symlinkat man page on CentOS

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

NAME
       symlinkat  -  create  a	symbolic  link	relative  to  a directory file
       descriptor

SYNOPSIS
       #include <stdio.h>

       int symlinkat(const char *oldpath, int newdirfd, const char *newpath);

DESCRIPTION
       The symlinkat() system call operates in exactly the same	 way  as  sym‐
       link(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 the pathname given in newpath is relative and newdirfd is  the  spe‐
       cial  value  AT_FDCWD, then newpath is interpreted relative to the cur‐
       rent working directory of the calling process (like symlink(2)).

       If the pathname given in newpath is absolute, then newdirfd is ignored.

RETURN VALUE
       On success, symlinkat() returns 0.  On error, -1 is returned and	 errno
       is set to indicate the error.

ERRORS
       The  same  errors  that	occur  for  symlink(2) can also occur for sym‐
       linkat().  The following additional errors can occur for symlinkat():

       EBADF  newdirfd is not a valid file descriptor.

       ENOTDIR
	      newpath is a relative path and newdirfd  is  a  file  descriptor
	      referring to a file other than a directory.

NOTES
       See openat(2) for an explanation of the need for symlinkat().

CONFORMING TO
       This  system  call  is  non-standard but is proposed for inclusion in a
       future revision of POSIX.1.

VERSIONS
       symlinkat() was added to Linux in kernel 2.6.16.

SEE ALSO
       openat(2), path_resolution(2), symlink(2)

Linux 2.6.16			  2006-04-10			  SYMLINKAT(2)
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