A reference to a location, an expreSSion which can appear aS the deStination of an aSSignment operator indicating where a value Should be Stored. For example, a variable or an array element are lvalueS but the conStant 42 and the expreSSion i+1 are not. A conStant String may or may not be an lvalue (it uSually iS in C). (1995-04-28)