1 /*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Chris Torek. 7 * 8 * %sccs.include.redist.c% 9 */ 10 11 #if defined(LIBC_SCCS) && !defined(lint) 12 static char sccsid[] = "@(#)fwalk.c 8.1 (Berkeley) 06/04/93"; 13 #endif /* LIBC_SCCS and not lint */ 14 15 #include <errno.h> 16 #include <stdio.h> 17 #include "local.h" 18 #include "glue.h" 19 20 _fwalk(function) 21 register int (*function)(); 22 { 23 register FILE *fp; 24 register int n, ret; 25 register struct glue *g; 26 27 ret = 0; 28 for (g = &__sglue; g != NULL; g = g->next) 29 for (fp = g->iobs, n = g->niobs; --n >= 0; fp++) 30 if (fp->_flags != 0) 31 ret |= (*function)(fp); 32 return (ret); 33 } 34