The most common alternative to #pragma once is to use #define to set an include guard macro, the name of which is picked by the programmer to be unique to that file. For example, #ifndef GRANDPARENT_H #define GRANDPARENT_H ... contents of grandparent.h #endif /* !GRANDPARENT_H */.
1 Costco is three years old and has 17 locations, 1.3 million members, and 3,740 employees.  Costco's first Pharmacy opens in Portland, Oregon and the Tukwila, WA warehouse becomes the house of the company's first fresh meat department.
The Boston Heights store at 6720 Bass Pro Drive, one of seven new locations opening nationwide this year, will be Costco's 11th warehouse in Ohio. Its closest neighbor is the 770,000-square-foot Arhaus furniture headquarters and distribution center.