.. highlightlang:: us

.. index:: nc_attinq_len

.. _nc_attinq_len:

nc_attinq_len
=============

.. us.tag  nc_attinq_len ENGLISH NC_Att

:ref:`nc_attinq_len` returns the number of values stored in the attribute. If the
attribute is of type ``NC_CHAR``, the function returns the string length.

.. function::  len = nc_attinq_len(ncid, varid, ssName)

.. us.return

**Return Value**

*len* is the number of values stored in the attribute.

.. us.params

**Parameters**

.. uparam:: ncid

   Identifies the netCDF file.

.. uparam:: varid

   *varid* is the ID of the variable or -1 for a global attribute

.. uparam:: ssName

   *ssName* is the the name of the attribute.

.. seealso::
   :ref:`overview-netcdf-files`,
   :ref:`nc_create`

:sub:`id-173685`