1 /*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #if defined(LIBC_SCCS) && !defined(lint) 9 static char sccsid[] = "@(#)rand.c 5.3 (Berkeley) 05/15/90"; 10 #endif /* LIBC_SCCS and not lint */ 11 12 #include <sys/types.h> 13 #include <sys/stdc.h> 14 #include <stdlib.h> 15 16 static u_long next = 1; 17 18 int 19 rand() 20 { 21 return ((next = next * 1103515245 + 12345) % RAND_MAX); 22 } 23 24 void 25 srand(seed) 26 u_int seed; 27 { 28 next = seed; 29 } 30