Name: H5Eget_num
Signature:
  ssize_t `H5Eget_num`(hid_t `estack_id`)
Purpose:
  Retrieves the number of error messages in an error stack.
Description:
  `H5Eget_num` retrieves the number of error records in the error stack specified by `estack_id` (including major, minor messages and description).
Parameters:

hid_t `estack_id` | IN: Error stack identifier.

Returns:
  Returns a non-negative value on success; otherwise returns a negative value.
Fortran90 Interface:
  None.
History:

  Release | C
  1.8.0 | Function introduced in this release.