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BIO_PRINTF(3)			    OpenSSL			 BIO_PRINTF(3)

NAME
       BIO_printf, BIO_vprintf,	BIO_snprintf, BIO_vsnprintf - formatted	output
       to a BIO

SYNOPSIS
	#include <openssl/bio.h>

	int BIO_printf(BIO *bio, const char *format, ...)
	int BIO_vprintf(BIO *bio, const	char *format, va_list args)

	int BIO_snprintf(char *buf, size_t n, const char *format, ...)
	int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)

DESCRIPTION
       BIO_printf() is similar to the standard C printf() function, except
       that the	output is sent to the specified	BIO, bio, rather than standard
       output.	All common format specifiers are supported.

       BIO_vprintf() is	similar	to the vprintf() function found	on many
       platforms, the output is	sent to	the specified BIO, bio,	rather than
       standard	output.	 All common format specifiers are supported. The
       argument	list args is a stdarg argument list.

       BIO_snprintf() is for platforms that do not have	the common snprintf()
       function. It is like sprintf() except that the size parameter, n,
       specifies the size of the output	buffer.

       BIO_vsnprintf() is to BIO_snprintf() as BIO_vprintf() is	to
       BIO_printf().

RETURN VALUES
       All functions return the	number of bytes	written, or -1 on error.  For
       BIO_snprintf() and BIO_vsnprintf() this includes	when the output	buffer
       is too small.

COPYRIGHT
       Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.

       Licensed	under the OpenSSL license (the "License").  You	may not	use
       this file except	in compliance with the License.	 You can obtain	a copy
       in the file LICENSE in the source distribution or at
       <https://www.openssl.org/source/license.html>.

1.1.1d				  2019-09-10			 BIO_PRINTF(3)

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | COPYRIGHT

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