get_field_name   2288 pgsql/pgsql.c  			Z_STRVAL_P(return_value) = get_field_name(pg_result->conn, PQftype(pgsql_result, field), &EG(regular_list) TSRMLS_CC);
get_field_name    213 pgsql/php_pgsql.h static char *get_field_name(PGconn *pgsql, Oid oid, HashTable *list TSRMLS_DC);