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BIND(2)			  FreeBSD System Calls Manual		       BIND(2)

NAME
     bind -- assign a local protocol address to	a socket

LIBRARY
     Standard C	Library	(libc, -lc)

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

     int
     bind(int s, const struct sockaddr *addr, socklen_t	addrlen);

DESCRIPTION
     The bind()	system call assigns the	local protocol address to a socket.
     When a socket is created with socket(2) it	exists in an address family
     space but has no protocol address assigned.  The bind() system call
     requests that addr	be assigned to the socket.

NOTES
     Binding an	address	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 address binding vary between communication domains.
     Consult the manual	entries	in section 4 for detailed information.

     For maximum portability, you should always	zero the socket	address	struc-
     ture before populating it and passing it to bind().

RETURN VALUES
     The bind()	function returns the value 0 if	successful; otherwise the
     value -1 is returned and the global variable errno	is set to indicate the
     error.

ERRORS
     The bind()	system call will fail if:

     [EAGAIN]		Kernel resources to complete the request are temporar-
			ily unavailable.

     [EBADF]		The s argument is not a	valid descriptor.

     [EINVAL]		The socket is already bound to an address, and the
			protocol does not support binding to a new address; or
			the socket has been shut down.

     [ENOTSOCK]		The s argument is not a	socket.

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

     [EADDRINUSE]	The specified address is already in use.

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

     [EFAULT]		The addr argument is not in a valid part of the	user
			address	space.

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

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

     [ENAMETOOLONG]
		  A component of a pathname exceeded 255 characters, or	an
		  entire path name exceeded 1023 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()	system call appeared in	4.2BSD.

FreeBSD	10.1			 June 4, 1993			  FreeBSD 10.1

NAME | LIBRARY | SYNOPSIS | DESCRIPTION | NOTES | RETURN VALUES | ERRORS | SEE ALSO | HISTORY

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