1 /*- 2 * Copyright (c) 1989 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #ifndef lint 9 char copyright[] = 10 "@(#) Copyright (c) 1989 The Regents of the University of California.\n\ 11 All rights reserved.\n"; 12 #endif /* not lint */ 13 14 #ifndef lint 15 static char sccsid[] = "@(#)x.c 5.2 (Berkeley) 04/12/91"; 16 #endif /* not lint */ 17 18 main() 19 { 20 register int i; 21 22 for (i = 0; i < 100000; i++) 23 if (vfork() == 0) { 24 printf("child: %d\n", getpid()); 25 exit(0); 26 } else { 27 printf("parent: %d\n", getpid()); 28 wait(0); 29 } 30 } 31