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socket_connect4 - Man Page

attempt to make a TCP connection


#include <socket.h>

int socket_connect4(int s,const char ip[4],uint16 port);


socket_connect4 attempts to make a connection from TCP socket s to TCP port port on IP address ip.

socket_connect4 may return

When a background connection succeeds or fails, s becomes writable; you can use socket_connected to see whether the connection succeeded.  If the connection failed, socket_connected returns 0, setting errno appropriately.

Once a TCP socket is connected, you can use the read and write system calls to transmit data.

You can call socket_connect4 without calling socket_bind4.  This has the effect as first calling socket_bind4 with IP address and port 0.


 #include <socket.h>

 int s;
 char ip[4];
 uint16 p;

 s = socket_tcp4();

See Also

socket_connect6(3), socket_fastopen_connect4(3)

Referenced By

socket_connect6(3), socket_fastopen_connect4(3), socket_listen(3).