Function brioche_ducc_sys::duk_opt_lstring

pub unsafe extern "C" fn duk_opt_lstring(
    ctx: *mut duk_context, 
    idx: duk_idx_t, 
    out_len: *mut duk_size_t, 
    def_ptr: *const c_char, 
    def_len: duk_size_t
) -> *const c_char