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Title "BIO_S_SOCKET 3" For nroff, turn off justification. Always turn off hyphenation; it makes
way too many mistakes in technical documents.
BIO_s_socket, BIO_new_socket - socket BIO Header "SYNOPSIS" .Vb 1 #include <openssl/bio.h> \& const BIO_METHOD *BIO_s_socket(void); \& BIO *BIO_new_socket(int sock, int close_flag); .Ve Header "DESCRIPTION" \fBBIO_s_socket() returns the socket \s-1BIO\s0 method. This is a wrapper round the platform's socket routines.

\fBBIO_read_ex() and BIO_write_ex() read or write the underlying socket. \fBBIO_puts() is supported but BIO_gets() is not.

If the close flag is set then the socket is shut down and closed when the \s-1BIO\s0 is freed.

\fBBIO_new_socket() returns a socket \s-1BIO\s0 using sock and close_flag.

Header "NOTES" Socket BIOs also support any relevant functionality of file descriptor BIOs.

The reason for having separate file descriptor and socket BIOs is that on some platforms sockets are not file descriptors and use distinct I/O routines, Windows is one such platform. Any code mixing the two will not work on all platforms.

Header "RETURN VALUES" \fBBIO_s_socket() returns the socket \s-1BIO\s0 method.

\fBBIO_new_socket() returns the newly allocated \s-1BIO\s0 or \s-1NULL\s0 is an error occurred.

Header "COPYRIGHT" Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.

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>.