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Linux Programmer's Manual (2)
getsockname - get socket name
int getsockname(int sockfd, struct sockaddr *addr, socklen_t *addrlen);
returns the current address to which the socket
is bound, in the buffer pointed to by
argument should be initialized to indicate
the amount of space (in bytes) pointed to by
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,
will return a value greater than was supplied to the call.
On success, zero is returned.
On error, -1 is returned, and
is set appropriately.
is not a valid descriptor.
argument points to memory not in a valid part of the
process address space.
is invalid (e.g., is negative).
Insufficient resources were available in the system
to perform the operation.
is a file, not a socket.
SVr4, 4.4BSD (the
function call appeared in 4.2BSD), POSIX.1-2001.
The third argument of
is in reality an
(and this is what 4.x BSD and libc4 and libc5 have).
Some POSIX confusion resulted in the present
also used by glibc.
This page is part of release 3.66 of the Linux
A description of the project,
information about reporting bugs,
and the latest version of this page,
can be found at
- RETURN VALUE
- CONFORMING TO
- SEE ALSO
This document was created by
using the manual pages.
Time: 21:42:57 GMT, July 12, 2014