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BINDAT(2)		       System Calls Manual		       BINDAT(2)

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

LIBRARY
     Standard C Library (libc, -lc)

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

     #include <fcntl.h>

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

DESCRIPTION
     The  bindat()  system  call assigns the local protocol address to a socket.
     When passed the special value AT_FDCWD in the fd parameter, the behavior is
     identical to a call to bind(2).  Otherwise, bindat() works like the bind(2)
     system call with two exceptions:

	   1.	It is limited to sockets in the PF_LOCAL domain.

	   2.	If the file path stored in the sun_path field of the sockaddr_un
		structure is a relative path, it is located relative to the  di-
		rectory associated with the file descriptor fd.

RETURN VALUES
     The  bindat()  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  bindat() system call may fail with the same errors as the bind(2) sys-
     tem call or with the following errors:

     [EBADF]		The sun_path field does not specify an absolute path and
			the fd argument is neither AT_FDCWD nor a valid file de-
			scriptor.

     [ENOTDIR]		The sun_path field is not an absolute  path  and  fd  is
			neither AT_FDCWD nor a file descriptor associated with a
			directory.

SEE ALSO
     bind(2), connectat(2), socket(2), unix(4)

AUTHORS
     The  bindat  was developed by Pawel Jakub Dawidek <pawel@dawidek.net> under
     sponsorship from the FreeBSD Foundation.

FreeBSD ports 15.quarterly	February 13, 2013		       BINDAT(2)

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