unix-socket.hon commit add "ok=sigpipe" to test_must_fail and use it to fix flaky tests (8bf4bec)
   1#ifndef UNIX_SOCKET_H
   2#define UNIX_SOCKET_H
   3
   4int unix_stream_connect(const char *path);
   5int unix_stream_listen(const char *path);
   6
   7#endif /* UNIX_SOCKET_H */