Function r_core::r_core_search_prelude

pub unsafe extern "C" fn r_core_search_prelude(
    core: *mut RCore, 
    from: c_ulonglong, 
    to: c_ulonglong, 
    buf: *const c_uchar, 
    blen: c_int, 
    mask: *const c_uchar, 
    mlen: c_int
) -> c_int