| line | count | pod | subroutine | 
| 20 | 1 | n/a | BEGIN | 
| 21 | 1 | n/a | BEGIN | 
| 23 | 1 | n/a | BEGIN | 
| 24 | 1 | n/a | BEGIN | 
| 25 | 1 | n/a | BEGIN | 
| 26 | 1 | n/a | BEGIN | 
| 27 | 1 | n/a | BEGIN | 
| 41 | 1 | n/a | BEGIN | 
| 100 | 0 | No | run | 
| 125 | 0 | Yes | convert_iso639 | 
| 142 | 0 | Yes | get_iso639_1 | 
| 167 | 0 | Yes | get_iso639_3 | 
| 188 | 0 | Yes | get_macro_language | 
| 200 | 0 | Yes | get_language_name | 
| 222 | 1 | n/a | _read_iso639_codes | 
| 251 | 1 | n/a | _read_retired_code_table | 
| 266 | 1 | n/a | _read_macrolanguage_table | 
| 279 | 1 | n/a | _read_collective_language_table | 
| 305 | 1 | n/a | _read_nonstandard_code_table | 
| 337 | 1 | n/a | _read_main_code_table | 
| 344 | 1 | n/a | BEGIN | 
| 371 | 1 | n/a | _read_iso639_5 |