Object type that identifies a stream and contains the information needed to control it, including a pointer to its buffer, its position indicator and all its state indicators. FILE objects are usually created by a call to either fopen or tmpfile, which both return a pointer to one of these objects.
First-Class Mail is a USPS trademark. The minimum size for First-Class Mail is 5 inches long, 3-1/2 inches high and 0.007 inches thick. The maximum size is 11-1/2 inches long, 6-1/8 inches high, and .75 inches thick. The maximum weight for letters is 3.5 ounces.irst-Class Mail International is a USPS trademark. Note: The cost of postage will appear on all international shipping labels. Maximum weight for letters is 3.5 ounces. Maximum weight for large envelopes is 4 pounds.
Listed below are the countries and their price groups and weight limits for the five principal categories of international mail. Complete tables of prices are available in Notice 123, Price List. n/a = Service is not available. 1 Priority Mail Express International Flat Rate Envelopes maximum weight: 4 lbs. 2 Priority Mail International Flat Rate Service maximum weights: Flat Rate Envelopes and Small Flat Rate Priced Boxes, 4 lbs.; Medium and Large Flat Rate Boxes, 20 lbs. 3 First-Class Mail International maximum weights: Letters, 3.5 ozs.; Large Envelopes (flats), 4 lbs. Note that the heading in the maximum weight column lists both ounces and pounds (ozs. / lbs.) and that there are two numbers in the entry for each country (3.5 / 4) - this indicates that the maximum weight for Letters is 3 ...