Function pq_sys::PQsetdbLogin

pub unsafe extern fn PQsetdbLogin(pghost: *const c_char,
                                  pgport: *const c_char,
                                  pgoptions: *const c_char,
                                  pgtty: *const c_char,
                                  dbName: *const c_char,
                                  login: *const c_char,
                                  pwd: *const c_char)
                                  -> *mut PGconn