.TH socket_connected 3 .SH NAME socket_connected \- is a connection established on a socket? .SH SYNTAX .B #include int \fBsocket_connected\fP(int \fIs\fR); .SH DESCRIPTION socket_connected returns 1 if \fIs\fR is a socket and a connection is established, 0 otherwise. .SH "SEE ALSO" socket_remote4(3), socket_remote6(3)