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putchar.c (101776) putchar.c (127100)
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 * Redistribution and use in source and binary forms, with or without

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33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37#if defined(LIBC_SCCS) && !defined(lint)
38static char sccsid[] = "@(#)putchar.c 8.1 (Berkeley) 6/4/93";
39#endif /* LIBC_SCCS and not lint */
40#include <sys/cdefs.h>
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 * Redistribution and use in source and binary forms, with or without

--- 24 unchanged lines hidden (view full) ---

33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37#if defined(LIBC_SCCS) && !defined(lint)
38static char sccsid[] = "@(#)putchar.c 8.1 (Berkeley) 6/4/93";
39#endif /* LIBC_SCCS and not lint */
40#include <sys/cdefs.h>
41__FBSDID("$FreeBSD: head/lib/libc/stdio/putchar.c 101776 2002-08-13 09:30:41Z tjr $");
41__FBSDID("$FreeBSD: head/lib/libc/stdio/putchar.c 127100 2004-03-17 01:43:08Z tjr $");
42
43#include "namespace.h"
44#include <stdio.h>
45#include "un-namespace.h"
46#include "local.h"
47#include "libc_private.h"
48
42
43#include "namespace.h"
44#include <stdio.h>
45#include "un-namespace.h"
46#include "local.h"
47#include "libc_private.h"
48
49#undef putchar
50
49/*
51/*
50 * putchar has traditionally been a macro in <stdio.h>. That is no
51 * longer true because POSIX requires it to be thread-safe. POSIX
52 * does define putchar_unlocked() which is defined as a macro and is
53 * probably what you want to use instead.
54 *
55 * #undef putchar
56 */
57/*
58 * A subroutine version of the macro putchar
59 */
60int
61putchar(c)
62 int c;
63{
64 int retval;
65 FILE *so = stdout;
66
67 FLOCKFILE(so);
68 ORIENT(so, -1);
69 retval = __sputc(c, so);
70 FUNLOCKFILE(so);
71 return (retval);
72}
52 * A subroutine version of the macro putchar
53 */
54int
55putchar(c)
56 int c;
57{
58 int retval;
59 FILE *so = stdout;
60
61 FLOCKFILE(so);
62 ORIENT(so, -1);
63 retval = __sputc(c, so);
64 FUNLOCKFILE(so);
65 return (retval);
66}