Function esp_idf_sys::qsort_r

pub unsafe extern "C" fn qsort_r(
    __base: *mut c_void,
    __nmemb: usize,
    __size: usize,
    __thunk: *mut c_void,
    _compar: Option<unsafe extern "C" fn(arg1: *mut c_void, arg2: *const c_void, arg3: *const c_void) -> c_int>
)