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NAME

BIO_s_socket, BIO_new_socket - socket BIO
 

SYNOPSIS

 #include <openssl/bio.h>

 BIO_METHOD *BIO_s_socket(void);

 long BIO_set_fd(BIO *b, int fd, long close_flag);
 long BIO_get_fd(BIO *b, int *c);

 BIO *BIO_new_socket(int sock, int close_flag);

DESCRIPTION

BIO_read() and BIO_write() read or write the underlying socket. BIO_puts() is supported but BIO_gets() is not.

If the close flag is set then the socket is shut down and closed when the BIO is freed.

BIO_set_fd() sets the socket of BIO b to fd and the close flag to close_flag.

BIO_get_fd() places the socket in c if it is not NULL, it also returns the socket. If c is not NULL it should be of type (int *).

BIO_new_socket() returns a socket BIO using sock and close_flag.  

NOTES

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.

BIO_set_fd() and BIO_get_fd() are macros.  

RETURN VALUES

BIO_set_fd() always returns 1.

BIO_get_fd() returns the socket or -1 if the BIO has not been initialized.

BIO_new_socket() returns the newly allocated BIO or NULL is an error occurred.  

SEE ALSO

Index

NAME

SYNOPSIS

DESCRIPTION

NOTES

RETURN VALUES

SEE ALSO

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