Function groonga_sys::groonga::grn_proc_get_info

pub unsafe extern "C" fn grn_proc_get_info(
    ctx: *mut grn_ctx, 
    user_data: *mut grn_user_data, 
    vars: *mut *mut grn_expr_var, 
    nvars: *mut c_uint, 
    caller: *mut *mut grn_obj
) -> *mut grn_obj