Name: H5Pget_type_conv_cb
Signature:
  herr_t `H5Pget_type_conv_cb`(hid_t `plist`, H5T_conv_except_func_t *`func`, void **`op_data`)
Purpose:
  Gets user-defined datatype conversion callback function.
Description:
  `H5Pget_type_conv_cb` gets the user-defined datatype conversion callback function `func` in the dataset transfer property list `plist`.

  The parameter `op_data` is a pointer to user-defined input data for the callback function.

  The callback function `func` defines the actions an application is to take when there is an exception during datatype conversion.

  Please refer to the function `H5Pset_type_conv_cb` for more details.

Parameters:

hid_t `plist` | IN: Dataset transfer property list identifier.
H5T_conv_except_func_t *`func` | OUT: User-defined type conversion callback function.
void **`op_data` | OUT: User-defined input data for the callback function.

Returns:
  Returns a non-negative value if successful; otherwise returns a negative value.
Fortran90 Interface:
  None.