MirOS Manual: bind(2)

BIND(2)                    BSD Programmer's Manual                     BIND(2)

NAME

     bind - bind a name to a socket

SYNOPSIS

     #include <sys/types.h>
     #include <sys/socket.h>

     int
     bind(int s, const struct sockaddr *name, socklen_t namelen);

DESCRIPTION

     bind() assigns a name to an unnamed socket. When a socket is created with
     socket(2) it exists in a name space (address family) but has no name as-
     signed. bind() requests that name be assigned to the socket. namelen in-
     dicates the amount of space pointed to by name, in bytes.

NOTES

     Binding a name in the UNIX domain creates a socket in the file system
     that must be deleted by the caller when it is no longer needed (using
     unlink(2)).

     The rules used in name binding vary between communication domains. Con-
     sult the manual entries in section 4 for detailed information.

RETURN VALUES

     If the bind is successful, a 0 value is returned. A return value of -1
     indicates an error, which is further specified in the global errno.

ERRORS

     The bind() call will fail if:

     [EBADF]       s is not a valid descriptor.

     [ENOTSOCK]    s is not a socket.

     [EADDRNOTAVAIL]
                   The specified address is not available from the local
                   machine.

     [EADDRINUSE]  The specified address is already in use.

     [EINVAL]      The socket is already bound to an address.

     [EINVAL]      The family of the socket and that requested in name-
                   >sa_family are not equivalent.

     [EACCES]      The requested address is protected, and the current user
                   has inadequate permission to access it.

     [EFAULT]      The name parameter is not in a valid part of the user ad-
                   dress space.

     The following errors are specific to binding names in the UNIX domain.

     [ENOTDIR]     A component of the path prefix is not a directory.

     [ENAMETOOLONG]
                   A component of a pathname exceeded {NAME_MAX} characters,
                   or an entire path name exceeded {PATH_MAX} characters.

     [ENOENT]      A prefix component of the path name does not exist.

     [ELOOP]       Too many symbolic links were encountered in translating the
                   pathname.
     [EIO]         An I/O error occurred while making the directory entry or
                   allocating the inode.

     [EROFS]       The name would reside on a read-only file system.

     [EISDIR]      An empty pathname was specified.

SEE ALSO

     connect(2), getsockname(2), listen(2), socket(2)

HISTORY

     The bind() function call appeared in 4.2BSD.

MirOS BSD #10-current         February 15, 1999                              1

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