GETSOCKNAME(2) GETSOCKNAME(2)
getsockname - get socket name
#include <sys/types.h>
#include <sys/socket.h>
int getsockname (int s, struct sockaddr *name, int *namelen);
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).
A 0 is returned if the call succeeds, -1 if it fails.
The call succeeds unless:
[EBADF] The argument s is not a valid descriptor.
[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.
bind(2), socket(2)
ABI-compliant versions of the above call can be obtained from
libsocket.so.
This call does not return useful results when used on sockets of type
AF_UNIX, unless the socket was explicitly bound to a pathname.
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