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NAME

       dpns_unlink - remove a DPNS file entry in the name server

SYNOPSIS

       #include <sys/types.h>
       #include "dpns_api.h"

       int dpns_unlink (const char *path)

DESCRIPTION

       dpns_unlink removes a DPNS file entry in the name server.

       path   specifies  the  logical  pathname  relative  to the current DPNS
              directory or the full DPNS pathname.

RETURN VALUE

       This routine returns 0 if the operation was successful  or  -1  if  the
       operation failed. In the latter case, serrno is set appropriately.

ERRORS

       EPERM        path is a directory.

       ENOENT       The named file does not exist or is a null pathname.

       EACCES       Search  permission  is  denied  on a component of the path
                    prefix  or  write  permission  is  denied  on  the  parent
                    directory or the parent has the sticky bit S_ISVTX set and

                      the effective user ID of the requestor  does  not  match
                      the owner ID of the file and

                      the  effective  user  ID of the requestor does not match
                      the owner ID of the directory and

                      the file is not writable by the requestor and

                      the requestor does not have ADMIN privilege in the  Cupv
                      database.

       EFAULT       path is a NULL pointer.

       EEXIST       File has replicas.

       ENOTDIR      A component of path prefix is not a directory.

       ENAMETOOLONG The  length of path exceeds CA_MAXPATHLEN or the length of
                    a path component exceeds CA_MAXNAMELEN.

       SENOSHOST    Host unknown.

       SENOSSERV    Service unknown.

       SECOMERR     Communication error.

       ENSNACT      Name server is not running or is being shutdown.

SEE ALSO

       Castor_limits(4), dpns_chdir(3), dpns_rmdir(3), Cupvlist(1)

AUTHOR

       LCG Grid Deployment Team