BIO_s_socket(3)

     BIO_s_socket(3)        0.9.6h (2000-09-16)        BIO_s_socket(3)

     NAME
          BIO_s_socket, BIO_new_socket - socket BIO

     SYNOPSIS
           #include <openssl/bio.h>

           BIO_METHOD *   BIO_s_socket(void);

           #define BIO_set_fd(b,fd,c)     BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)
           #define BIO_get_fd(b,c)        BIO_ctrl(b,BIO_C_GET_FD,0,(char *)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 c.

          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
          descriptors and use distinct I/O routines, Windows is one
          such platform. Any code mixing the two will not work on all
          platforms.

     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.

          BIO_new_socket() returns the newly allocated BIO or NULL is

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     BIO_s_socket(3)        0.9.6h (2000-09-16)        BIO_s_socket(3)

          an error occurred.

     SEE ALSO
          TBA

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