try_0write
try_0write("udp_0write", fd[0]);
try_0write("tcp_0write", fd[0]);
try_0write("udsstream_0write", fd[0]);
try_0write("udsdgram_0write", fd[0]);
try_0write("pipd_0write", fd[0]);
try_0write("fifo_0write", fd[0]);