Routines (alphabetical) > Routines: H > HDF5 Routines > H5T_GET_SUPER

# H5T_GET_SUPER

The H5T_GET_SUPER function returns the base datatype from which a datatype is derived.

## Syntax

Result = H5T_GET_SUPER(Datatype_id)

## Return Value

Returns the base datatype’s identifier number. This identifier can be released with the H5T_CLOSE.

## Arguments

### Datatype_id

An integer representing the datatype’s identifier to be queried.

## Keywords

None

## Version History

5.6 | Introduced

## See Also

H5T_GET_CLASS, H5T_GET_SIZE