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.
(3.2/5 - 3192 votes) Costco is an membership-only warehouse club that provides a wide selection of merchandise, from electronics and clothing to fresh produce and auto care, plus specialty departments and member services including optical, pharmacy, photo center, travel, tire center, and gas station.