MirOS Manual: BIO_get_fd(3), BIO_new_socket(3), BIO_set_fd(3), BIO_s_socket(3)


BIO_S_SOCKET(3)              OpenSSL              BIO_S_SOCKET(3)

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_s_socket() returns the socket BIO method. This is a
     wrapper round the platform's socket routines.

     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

     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 descrip-
     tors and use distinct I/O routines, Windows is one such
     platform. Any code mixing the two will not work on all plat-
     forms.

     BIO_set_fd() and BIO_get_fd() are macros.

RETURN VALUES

     BIO_s_socket() returns the socket BIO method.

     BIO_set_fd() always returns 1.

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

MirOS BSD #10-current      2005-02-05                           1

BIO_S_SOCKET(3)              OpenSSL              BIO_S_SOCKET(3)

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

SEE ALSO

     TBA

MirOS BSD #10-current      2005-02-05                           2

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