Function c_ares_sys::ares_library_init_mem

pub unsafe extern "C" fn ares_library_init_mem(
    flags: c_int, 
    amalloc: Option<extern "C" fn(_: size_t) -> *mut c_void>, 
    afree: Option<unsafe extern "C" fn(_: *mut c_void)>, 
    arealloc: Option<unsafe extern "C" fn(_: *mut c_void, _: size_t) -> *mut c_void>
) -> c_int