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SSL_get_wfd.3
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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" SSL_get_fd, SSL_get_rfd, SSL_get_wfd \- get file descriptor linked to an SSL object .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& #include <openssl/ssl.h> \& \& int SSL_get_fd(const SSL *ssl); \& int SSL_get_rfd(const SSL *ssl); \& int SSL_get_wfd(const SSL *ssl); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" \&\fBSSL_get_fd()\fR returns the file descriptor which is linked to \fBssl\fR. \&\fBSSL_get_rfd()\fR and \fBSSL_get_wfd()\fR return the file descriptors for the read or the write channel, which can be different. If the read and the write channel are different, \fBSSL_get_fd()\fR will return the file descriptor of the read channel. .SH "RETURN VALUES" .IX Header "RETURN VALUES" The following return values can occur: .IP "\-1" 4 .IX Item "-1" The operation failed, because the underlying \s-1BIO\s0 is not of the correct type (suitable for file descriptors). .IP ">=0" 4 .IX Item ">=0" The file descriptor linked to \fBssl\fR. .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fBSSL_set_fd\fR\|(3), \fBssl\fR\|(7) , \fBbio\fR\|(7) .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright 2000\-2016 The OpenSSL Project Authors. All Rights Reserved. .PP Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>.
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