Function mentat_ffi::tx_report_entity_for_temp_id

#[no_mangle]
pub unsafe extern "C" fn tx_report_entity_for_temp_id(
    tx_report: *mut TxReport, 
    tempid: *const c_char
) -> *mut c_longlong

Fetches the Entid assigned to the tempid during the transaction represented by the given TxReport.

Note that this reutrns the value as a heap allocated pointer that the caller is responsible for freeing with destroy().