Input

S3L_get_attribute accepts the following arguments as input:

• a - Pointer to a descriptor of an unknown type.

• req_attr - A predefined value that specifies the attribute to be retrieved. See the Description section for a list of valid req_attr entries.

• axis - Scalar integer variable. To retrieve axis-specific attributes, such as, extents or blocksizes, use this parameter to specify the axis of interest.

• attr - Pointer to a variable of the appropriate type that will hold the retrieved attribute value.