Function glib_sys::g_ascii_string_to_unsigned

pub unsafe extern "C" fn g_ascii_string_to_unsigned(
    str: *const c_char, 
    base: c_uint, 
    min: u64, 
    max: u64, 
    out_num: *mut u64, 
    error: *mut *mut GError
) -> gboolean

This is supported on crate feature v2_54 only.