| A | C | E | L | O | P | S | T |
| _PQconninfoOption | _PQprintOpt |
| CMDSTATUS_LEN | CONNECTION_MADE | CONNECTION_SSL_STARTUP |
| CONNECTION_AUTH_OK | CONNECTION_NEEDED | CONNECTION_STARTED |
| CONNECTION_AWAITING_RESPONSE | CONNECTION_OK | |
| CONNECTION_BAD | CONNECTION_SETENV |
| ERROR_MSG_LENGTH | External_library |
| lo_close | lo_lseek | lo_unlink |
| lo_creat | lo_open | lo_write |
| lo_export | lo_read | |
| lo_import | lo_tell |
| Oid |
| size_t |
| TConnStatusType | TPGconn | TPGresAttValue |
| TExecStatusType | TPGlobjfuncs | TPGresult |
| TFILE | TPGresAttDesc | TSockAddr |