Last modified: 18 August 2010
Name: H5Tget_nmembers
Signature:
int H5Tget_nmembers( hid_t dtype_id )

Purpose:
Retrieves the number of elements in a compound or enumeration datatype.

Description:
H5Tget_nmembers retrieves the number of fields in a compound datatype or the number of members of an enumeration datatype.

Parameters:
hid_t dtype_id     IN: Identifier of datatype to query.

Returns:
Returns the number of elements if successful; otherwise returns a negative value.

Fortran90 Interface: h5tget_nmembers_f
SUBROUTINE h5tget_nmembers_f(type_id, num_members, hdferr) 
  IMPLICIT NONE
  INTEGER(HID_T), INTENT(IN) :: type_id ! Datatype identifier 
  INTEGER, INTENT(OUT) :: num_members   ! Number of fields in a 
                                        ! compound datatype 
  INTEGER, INTENT(OUT) :: hdferr        ! Error code
END SUBROUTINE h5tget_nmembers_f