getsockname(2) System Calls Manual getsockname(2) getsockname - C (libc, -lc) #include int getsockname(int sockfd, struct sockaddr *restrict addr, socklen_t *restrict addrlen); getsockname() , sockfd, , addr. addrlen , ( ), addr. . , ; addrlen . 0. -1, errno . EBADF sockfd . EFAULT addr . EINVAL addrlen (, ). ENOBUFS . ENOTSOCK sockfd . POSIX.1-2024. POSIX.1-2001, SVr4, 4.2BSD. bind(2), socket(2), getifaddrs(3), ip(7), socket(7), unix(7) () Azamat Hackimov , Dmitry Bolkhovskikh , Vladislav , Yuri Kozlov ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () . Linux man-pages 6.18 29 2025 . getsockname(2)