Function mdbx_ffi::mdbx_put

pub unsafe extern "C" fn mdbx_put(
    txn: *mut MDBX_txn, 
    dbi: MDBX_dbi, 
    key: *const MDBX_val, 
    data: *mut MDBX_val, 
    flags: MDBX_put_flags_t
) -> c_int