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NhlIsDataSpec

The Fortran name of this function is NhlFIsDataSpec.

This boolean function returns True if the given id identifies a DataSpec class object, and False otherwise.

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C Synopsis

#include </ncarg/hlu/DataSpec.h>

NhlBoolean NhlIsDataSpec(
	        int	id,
		)

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Fortran Synopsis

      subroutine NhlFIsDataSpec(id, istatus)
      integer id, istatus

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Arguments

id (input)

Specifies an integer id to an existing HLU object.

istatus (output, Fortran only)

On output, the status of the object.

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Description

You use this function to determine if the id you supply identifies a DataSpec class object.

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Return values

The NhlIsDataSpec C function returns True if the id identifies a DataSpec class object, and False otherwise; the NhlFIsDataSpec Fortran subroutine returns the status in istatus.