Function curl_sys::curl_global_init_mem

pub unsafe extern "C" fn curl_global_init_mem(
    flags: c_long, 
    m: curl_malloc_callback, 
    f: curl_free_callback, 
    r: curl_realloc_callback, 
    s: curl_strdup_callback, 
    c: curl_calloc_callback
) -> CURLcode