From mboxrd@z Thu Jan  1 00:00:00 1970
From: "cyx_mail@foxmail.com" <cyx_mail@foxmail.com>
Date: Tue, 06 May 2008 03:49:29 +0000
Subject: about generic_establish_ppp()
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To: linux-ppp@vger.kernel.org

in generic_establish_ppp():

ioctl(fd, PPPIOCATTCHAN, &chindex)

1.fd, is the parameter fd a channel's file descriptor or the file descriptor for "/dev/ppp0"?

2.chindex, is this a output parameter or input parameter? what is meaning?

I'm coufused about this function

2008-05-06