The Teradata-branded ODBC drivers are located under the TPT Installation Directory in a folder named "odbc". This folder contains 64-bit drivers, where "lib64" points to the 64-bit drivers.
The odbc.ini (initialization) file for 64-bit drivers is located in the odbc folder of the TPT install directory. For information about configuring the ODBC initialization file, see Configuring ODBC Initialization Files.