/* $Header$ * * Counts how many member of each class exist in the database. * * (c) Copyright 1988 by the Massachusetts Institute of Technology. * For copying and distribution information, please see the file * . */ #include #include main() { ## char class[9], *c; ## int n; struct save_queue *sq, *sq_create(); sq = sq_create(); ## ingres sms ## range of u is users ## retrieve unique (class = trim(u.mit_year)) { sq_save_data(sq, strsave(class)); ## } while (sq_get_data(sq, &c)) { ## repeat retrieve (n = count(u.login where u.mit_year = @c)) printf("%8s: %4d\n", c, n); } ## exit }