1 /* Copyright (c) 1979 Regents of the University of California */ 2 3 static char sccsid[] = "@(#)PRED.c 1.1 10/30/80"; 4 5 #include "h01errs.h" 6 7 PRED(value, lower, upper) 8 9 int value; 10 int lower; 11 int upper; 12 { 13 value--; 14 if (value < lower || value > upper) { 15 ERROR(ERANGE, value); 16 return; 17 } 18 return value; 19 } 20