Routines (alphabetical) > Routines: H > HDF-EOS Routines > EOS_GD_NENTRIES

# EOS_GD_NENTRIES

This function returns the number of entries and descriptive string buffer size for a specified entity.

## Examples

In this example, we determine the number of data field entries:

ndims = EOS_GD_NENTRIES(gridID, 4)

## Syntax

Result = EOS_GD_NENTRIES( gridID, entrycode [, LENGTH=variable] )

## Return Value

Number of entries or FAIL(–1) which could signify an improper grid id or entry code.

## Arguments

### gridID

Grid id (long) returned by EOS_GD_CREATE or EOS_GD_ATTACH.

### entrycode

Entrycode (long). Allowable values are:

- 0 = Dimensions
- 4 = Datafields

## Keywords

### LENGTH

Set this keyword to a named variable that will contain the length of the string returned by the corresponding inquiry routine as a long integer.

## Version History

5.2 | Introduced