getsockname - get the current name/address of a socket. #include <sys/socket.h> int getsockname(int sd, struct sockaddr * addr, socklen_t * addr_len);

getsockname() takes a connected socket sd and fills in addr with the name/address of the socket. On success, this function returns 0. On error, -1 is returned and errno is set.

15 [ENOSYS] The operation is not implemented for the given socket.

15 [EINVAL] The socket does not have a name/address.

socket(2), getpeername(2)