Function splinter_enumerate_matches 

pub unsafe extern "C" fn splinter_enumerate_matches(
    mask: u64,
    callback: Option<unsafe extern "C" fn(key: *const c_char, version: u64, data: *mut c_void)>,
    user_data: *mut c_void,
)

@brief Iterates through all slots matching a bloom mask. @param mask The bloom mask to match against. @param callback Function to call for each match. @param user_data Opaque pointer for the callback.