Constant MDBX_TXN_RDONLY_PREPARE
pub const MDBX_TXN_RDONLY_PREPARE: i32 = 16908288; // 16_908_288i32Available on crate feature
mdbx only.pub const MDBX_TXN_RDONLY_PREPARE: i32 = 16908288; // 16_908_288i32mdbx only.