dynamic assigned port number for UDP socket, need help! - 未名空间MITBBS历史存档

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dynamic assigned port number for UDP socket, need help!

dynamic assigned port number for UDP socket, need help!# Unix - 噫吁兮，危乎高哉

x*a2000-09-28 07:09

1 楼

Hi Gurus,
Maybe you guys can help me out on this one...
After binding an address to an UDP socket, with the port
number unspecified. How could I get back the info of what
port number system just assigned to that socket?
Thanks.
XXW

h*a2000-09-28 07:09

2 楼

1.first assign port equal 0
2. getsockname() get the dynamic port number.

【在 x****a 的大作中提到】

: Hi Gurus,
: Maybe you guys can help me out on this one...
: After binding an address to an UDP socket, with the port
: number unspecified. How could I get back the info of what
: port number system just assigned to that socket?
: Thanks.
: XXW