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

       symlink - make a new name for a file

       #include <unistd.h>

       int symlink(const char *oldpath, const char *newpath);

       symlink creates a symbolic link named newpath which contains the string oldpath.

       Symbolic links are interpreted at run-time as if the contents of the link had been substi-
       tuted into the path being followed to find a file or directory.

       Symbolic links may contain ..  path components, which (if used at the start of  the  link)
       refer to the parent directories of that in which the link resides.

       A symbolic link (also known as a soft link) may point to an existing file or to a nonexis-
       tent one; the latter case is known as a dangling link.

       The permissions of a symbolic link are irrelevant; the ownership is ignored when following
       the link, but is checked when removal or renaming of the link is requested and the link is
       in a directory with the sticky bit set.

       If newpath exists it will not be overwritten.

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

       EPERM  The filesystem containing newpath does not support the creation of symbolic links.

       EFAULT oldpath or newpath points outside your accessible address space.

       EACCES Write access to the directory containing newpath is not allowed for  the	process's
	      effective  uid, or one of the directories in newpath did not allow search (execute)

	      oldpath or newpath was too long.

       ENOENT A directory component in newpath does not exist or is a dangling symbolic link,  or
	      oldpath is the empty string.

	      A component used as a directory in newpath is not, in fact, a directory.

       ENOMEM Insufficient kernel memory was available.

       EROFS  newpath is on a read-only filesystem.

       EEXIST newpath already exists.

       ELOOP  Too many symbolic links were encountered in resolving newpath.

       ENOSPC The device containing the file has no room for the new directory entry.

       EIO    An I/O error occurred.

       No checking of oldpath is done.

       Deleting  the  name referred to by a symlink will actually delete the file (unless it also
       has other hard links). If this behaviour is not desired, use link.

       SVr4, SVID, POSIX, BSD 4.3.  SVr4 documents additional error codes SVr4,  SVID,	BSD  4.3,
       X/OPEN.	SVr4 documents additional error codes EDQUOT and ENOSYS.  See open(2) re multiple
       files with the same name, and NFS.

       readlink(2), link(2), unlink(2), rename(2), open(2), lstat(2), ln(1)

Linux 2.0.30				    1997-08-21				       SYMLINK(2)
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