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NAME
       listen - listen for connections on a socket


SYNOPSIS
       #include <sys/socket.h>

       int listen(int s, int backlog);


DESCRIPTION
       ,  socket(2) , listen .  accept(2) .  listen SOCK_STREAM SOCK_SEQPACKET
       .

        backlog .  , ECONNREFUSED.  ,,, .


NOTES
       TCP backlog Linux 2.2.  , .   tcp_max_syn_backlog  sysctl  syncookies,.
       tcp(7) .


RETURN VALUE
       0.-1,.  errno


ERRORS
       EBADF   s .

       ENOTSOCK
               s .

       EOPNOTSUPP
               listen .


CONFORMING TO
       Single Unix, 4.4BSD, POSIX 1003.1g.  listen 4.2BSD.


BUGS
          AF_INET,   backlog   SOMAXCONN   (Linux   2.0&2.2128),  SOMAXCONN  .
       BSD(BSD)backlog5.


SEE ALSO
       accept(2), connect(2), socket(2)


[]
       byeyear <love_my_love@263.net >


[]
       2002.01.27


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