Function rb_sys::bindings::onig_search

pub unsafe extern "C" fn onig_search(
    arg1: OnigRegex,
    str_: *const OnigUChar,
    end: *const OnigUChar,
    start: *const OnigUChar,
    range: *const OnigUChar,
    region: *mut OnigRegion,
    option: OnigOptionType
) -> OnigPosition