Hallo, dies ist ein Test.

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.\" ========================================================================
.\"
.IX Title "SSL_set_fd 3openssl"
.TH SSL_set_fd 3openssl "2023-08-01" "1.0.2zi" "OpenSSL"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
SSL_set_fd \- connect the SSL object with a file descriptor
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/ssl.h>
\&
\& int SSL_set_fd(SSL *ssl, int fd);
\& int SSL_set_rfd(SSL *ssl, int fd);
\& int SSL_set_wfd(SSL *ssl, int fd);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBSSL_set_fd()\fR sets the file descriptor \fBfd\fR as the input/output facility
for the \s-1TLS/SSL\s0 (encrypted) side of \fBssl\fR. \fBfd\fR will typically be the
socket file descriptor of a network connection.
.PP
When performing the operation, a \fBsocket \s-1BIO\s0\fR is automatically created to
interface between the \fBssl\fR and \fBfd\fR. The \s-1BIO\s0 and hence the \s-1SSL\s0 engine
inherit the behaviour of \fBfd\fR. If \fBfd\fR is non-blocking, the \fBssl\fR will
also have non-blocking behaviour.
.PP
If there was already a \s-1BIO\s0 connected to \fBssl\fR, \fBBIO_free()\fR will be called
(for both the reading and writing side, if different).
.PP
\&\fBSSL_set_rfd()\fR and \fBSSL_set_wfd()\fR perform the respective action, but only
for the read channel or the write channel, which can be set independently.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
The following return values can occur:
.IP "0" 4
The operation failed. Check the error stack to find out why.
.IP "1" 4
.IX Item "1"
The operation succeeded.

.\" Oracle has added the ARC stability level to this manual page
.SH ATTRIBUTES
See
.BR attributes (7)
for descriptions of the following attributes:
.sp
.TS
box;
cbp-1 | cbp-1
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE 
=
Availability	library/security/openssl
=
Stability	Pass-through uncommitted
.TE

.SH NOTES

.\" Oracle has added source availability information to this manual page
Source code for open source software components in Oracle Solaris can be found at https://www.oracle.com/downloads/opensource/solaris-source-code-downloads.html.

This software was built from source available at https://github.com/oracle/solaris-userland.  The original community source was downloaded from  https://www.openssl.org/source/openssl-1.0.2zi.tar.gz.

Further information about this software can be found on the open source community website at https://www.openssl.org/.