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31 lines
896 B
31 lines
896 B
.TH socket_send4 3 |
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.SH NAME |
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socket_send4 \- send a UDP datagram |
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.SH SYNTAX |
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.B #include <socket.h> |
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ssize_t \fBsocket_send4\fP(int \fIs\fR, const char* \fIbuf\fR, size_t \fIlen\fR, |
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const char \fIip\fR[4],uint16 \fIport\fR); |
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.SH DESCRIPTION |
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socket_send4 sends \fIlen\fR bytes starting at \fIbuf\fR in a UDP |
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datagram over the socket \fIs\fR to UDP port \fIport\fR on IP address |
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\fIip\fR. |
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You can call socket_send4 without calling socket_bind4. This has the |
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effect as first calling socket_bind4 with IP address 0.0.0.0 and port 0. |
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.SH RETURN VALUE |
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socket_send4 returns 0 if the datagram was sent successfully. If not, |
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it returns -1 and sets errno appropriately. |
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.SH EXAMPLE |
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#include <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_send4(s,"hello, world",12,ip,p); |
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.SH "SEE ALSO" |
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socket_send6(3)
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