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xs-411 avatar xs-411 commented on June 12, 2024

0长度的udp包,是指接收端不知道长度吗?

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kahotv avatar kahotv commented on June 12, 2024

0长度的udp包,是指接收端不知道长度吗?

字面意义的0长度,这样发给接收端,接收端echo没任何打印
sendto(fd, "", 0, 0, &addr, sizeof(addr));

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xs-411 avatar xs-411 commented on June 12, 2024

0长度的udp包,是指接收端不知道长度吗?

字面意义的0长度,这样发给接收端,接收端echo没任何打印 sendto(fd, "", 0, 0, &addr, sizeof(addr));

我知道你的意思了,就是发送0数据。

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flx413 avatar flx413 commented on June 12, 2024

发送0字节udp的意义是什么?

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