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38 lines
1.1 KiB
Groff
38 lines
1.1 KiB
Groff
.TH socket_accept4 3
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.SH NAME
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socket_accept4 \- accept an IPv4 TCP connection on a socket
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.SH SYNTAX
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.B #include <libowfat/socket.h>
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int \fBsocket_accept4\fP(int \fIs\fR,char \fIip\fR[4],uint16 *\fIport\fR);
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.SH DESCRIPTION
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When a TCP connection arrives on a listening TCP socket \fIs\fR, the
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socket becomes readable.
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socket_accept4 accepts the connection. It sets \fIip\fR and \fIport\fR
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to the client IP address and client TCP port. It creates a new socket
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for the connection, and returns a file descriptor pointing to the new
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socket; you can use the read and write system calls to transmit data
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through that file descriptor.
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If something goes wrong, socket_accept4 returns -1, setting errno
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appropriately, without creating a new socket.
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.SH EXAMPLE
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#include <libowfat/socket.h>
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int \fIs\fR;
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char \fIip\fR[4];
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uint16 \fIp\fR;
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\fIs\fR = socket_tcp4();
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socket_bind4(s,ip,p);
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socket_listen(s,16);
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socket_accept4(s,ip,&p);
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.SH "SEE ALSO"
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socket_accept6(3), socket_connected(3),
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socket_accept4_makenonblocking(3),
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socket_accept4_setcloseonexec(3),
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socket_accept4_makenonblocking_setcloseonexec(3)
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