Function lmdb_sys::mdb_env_get_maxkeysize

pub unsafe extern "C" fn mdb_env_get_maxkeysize(env: *mut MDB_env) -> c_int

@brief Get the maximum size of keys and #MDB_DUPSORT data we can write.

Depends on the compile-time constant #MDB_MAXKEYSIZE. Default 511. See @ref MDB_val. @param[in] env An environment handle returned by #mdb_env_create() @return The maximum size of a key we can write