pub type MDBX_debug_func = Option<unsafe extern "C" fn(loglevel: MDBX_log_level_t, function: *const c_char, line: c_int, fmt: *const c_char, args: *mut __va_list_tag)>;Aliased Type§
enum MDBX_debug_func {
None,
Some(unsafe extern "C" fn(i32, *const i8, i32, *const i8, *mut __va_list_tag)),
}