46 lines
1.4 KiB
Groff
46 lines
1.4 KiB
Groff
.\" $OpenBSD: BIO_printf.3,v 1.4 2024/03/02 09:18:28 tb Exp $
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.\" OpenSSL 2ca2e917 Mon Mar 20 16:25:22 2017 -0400
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.\"
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.\" Copyright (c) 2017 Ingo Schwarze <schwarze@openbsd.org>
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.\"
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.\" Permission to use, copy, modify, and distribute this software for any
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.\" purpose with or without fee is hereby granted, provided that the above
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.\" copyright notice and this permission notice appear in all copies.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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.\"
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.Dd $Mdocdate: March 2 2024 $
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.Dt BIO_PRINTF 3
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.Os
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.Sh NAME
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.Nm BIO_printf
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.Nd formatted output to a BIO
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.Sh SYNOPSIS
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.In openssl/bio.h
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.Ft int
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.Fo BIO_printf
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.Fa "BIO *bio"
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.Fa "const char *format"
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.Fa ...
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.Fc
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.Sh DESCRIPTION
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.Fn BIO_printf
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is a wrapper around
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.Xr vfprintf 3 ,
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sending the output to the specified
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.Fa bio .
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.Sh RETURN VALUES
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These functions return the number of bytes written,
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or -1 if an error occurs.
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.Sh SEE ALSO
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.Xr BIO_new 3
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.Sh HISTORY
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.Fn BIO_printf
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first appeared in SSLeay 0.6.5 and has been available since
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.Ox 2.4 .
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