NAME
getsockname —
get socket name
LIBRARY
library “libc”
SYNOPSIS
#include
<sys/types.h>
#include <sys/socket.h>
int
getsockname(int
s, struct sockaddr
*name, socklen_t
*namelen);
DESCRIPTION
Getsockname()
returns the current name for the specified socket. The
namelen parameter should be initialized to indicate the
amount of space pointed to by name. On return it
contains the actual size of the name returned (in bytes).
RETURN VALUES
The getsockname() 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 call succeeds unless:
- [
EBADF] - The argument s is not a valid descriptor.
- [
ECONNRESET] - The connection has been reset by the peer.
- [
ENOTSOCK] - The argument s is a file, not a socket.
- [
ENOBUFS] - Insufficient resources were available in the system to perform the operation.
- [
EFAULT] - The name parameter points to memory not in a valid part of the process address space.
SEE ALSO
HISTORY
The getsockname() function call appeared
in 4.2BSD.
BUGS
Names bound to sockets in the UNIX domain
are inaccessible; getsockname returns a zero length
name.