getsockname(2) - phpMan

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GETSOCKNAME(2)                      Linux Programmer's Manual                      GETSOCKNAME(2)

       getsockname - get socket name

       #include <sys/socket.h>

       int getsockname(int sockfd, struct sockaddr *addr, socklen_t *addrlen);

       getsockname() returns the current address to which the socket sockfd is bound, in the buf-
       fer pointed to by addr.  The addrlen argument should be initialized to indicate the amount
       of  space  (in  bytes)  pointed  to by addr.  On return it contains the actual size of the
       socket address.

       The returned address is truncated if the buffer provided  is  too  small;  in  this  case,
       addrlen will return a value greater than was supplied to the call.

       On success, zero is returned.  On error, -1 is returned, and errno is set appropriately.

       EBADF  The argument sockfd is not a valid descriptor.

       EFAULT The  addr  argument  points  to  memory  not in a valid part of the process address

       EINVAL addrlen is invalid (e.g., is negative).

              Insufficient resources were available in the system to perform the operation.

              The argument sockfd is a file, not a socket.

       SVr4, 4.4BSD (the getsockname() function call appeared in 4.2BSD), POSIX.1-2001.

       The third argument of getsockname() is in reality an int * (and this is what 4.x  BSD  and
       libc4  and libc5 have).  Some POSIX confusion resulted in the present socklen_t, also used
       by glibc.  See also accept(2).

       bind(2), socket(2), getifaddrs(3), ip(7), socket(7), unix(7)

       This page is part of release 3.53 of the Linux man-pages project.  A  description  of  the
       project,     and    information    about    reporting    bugs,    can    be    found    at

Linux                                       2008-12-03                             GETSOCKNAME(2)

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